diff --git a/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js b/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
index df4bf8067ecc3fb5fb9ccc31bdf474e0bbd6904b..06cdefb73142d4ad380a805912d1620c7f751b54 100644
--- a/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
+++ b/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
@@ -45,13 +45,19 @@ var rangeFir = new util.Scope(tempMiDF, tempMidS);
 var rangeSec = new util.Scope(tempLess, tempMore);
 var rangeThi = new util.Scope(tempLess, tempMiDF);
 var rangeFif = new util.Scope(tempMiDF, tempMore);
+
+var rangeHp = new util.ScopeHelper(tempLower, tempUpper);
+var rangeHpFir = new util.ScopeHelper(tempMiDF, tempMidS);
+var rangeHpSec = new util.ScopeHelper(tempLess, tempMore);
+var rangeHpThi = new util.ScopeHelper(tempLess, tempMiDF);
+var rangeHpFif = new util.ScopeHelper(tempMiDF, tempMore);
+
 export default function UtilFunTest() {
 describe('TextEncoderTest', function () {
 
     /**
      * @tc.name: testUtilPrintf001
      * @tc.desc: Returns the formatted string.
-     * @tc.author: shikai
      */
     it('testUtilPrintf001', 0, function () {
         var format = "%i,%s";
@@ -65,7 +71,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilPrintf002
      * @tc.desc: Returns the formatted string.
-     * @tc.author: shikai
      */
     it('testUtilPrintf002', 0, function () {
         var format = "%O";
@@ -77,7 +82,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilPrintf003
      * @tc.desc: Returns the formatted string.
-     * @tc.author: shikai
      */
     it('testUtilPrintf003', 0, function () {
         var format = "%o";
@@ -90,7 +94,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilPrintf004
      * @tc.desc: Returns the formatted string.
-     * @tc.author: shikai
      */
     it('testUtilPrintf004', 0, function () {
         var format = "%s,%s,%s";
@@ -103,7 +106,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilPrintf005
      * @tc.desc: Returns the formatted string.
-     * @tc.author: shikai
      */
     it('testUtilPrintf005', 0, function () {
         var format = "%d,%d";
@@ -116,7 +118,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilGetErrorString001
      * @tc.desc: Get the string name of the system errno.
-     * @tc.author: shikai
      */
      it('testUtilGetErrorString001', 0, async function () {
         var errnum = 10;
@@ -127,7 +128,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilGetErrorString002
      * @tc.desc: Get the string name of the system errno.
-     * @tc.author: shikai
      */
     it('testUtilGetErrorString002', 0, async function () {
         var errnum = 0;
@@ -138,7 +138,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilGetErrorString003
      * @tc.desc: Get the string name of the system errno.
-     * @tc.author: shikai
      */
     it('testUtilGetErrorString003', 0, async function () {
         var errnum = -1;
@@ -149,7 +148,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilGetErrorString004
      * @tc.desc: Get the string name of the system errno.
-     * @tc.author: shikai
      */
     it('testUtilGetErrorString004', 0, async function () {
         var errnum = 9;
@@ -160,7 +158,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testUtilGetErrorString005
      * @tc.desc: Get the string name of the system errno.
-     * @tc.author: shikai
      */
     it('testUtilGetErrorString005', 0, async function () {
         var errnum = 555;
@@ -172,7 +169,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromisify_new_001
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a function that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromisify_new_001', 0, async function () {
         function fn(val, callback) {
@@ -192,7 +188,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromisify_new_002
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a function that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromisify_new_002', 0, async function () {
         function fn(str, callback) {
@@ -212,7 +207,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromisify_new_003
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a function that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromisify_new_003', 0, async function () {
         function fn(err, val, callback) {
@@ -228,7 +222,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromisify_new_004
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a function that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromisify_new_004', 0, async function () {
         function fn(val, callback) {
@@ -248,7 +241,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromisify_new_005
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a function that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromisify_new_005', 0, async function () {
         function fn(val, callback) {
@@ -268,7 +260,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper001
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
        it('testUtilPromiseWrapper001', 0, async function () {
         function aysnFun(str1, str2, callback) {
@@ -288,7 +279,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper002
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromiseWrapper002', 0, async function () {
         function aysnFun(str1, str2, callback) {
@@ -308,7 +298,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper003
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromiseWrapper003', 0, async function () {
         let errToThrow;
@@ -325,7 +314,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper004
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromiseWrapper004', 0, async function () {
         const err = new Error();
@@ -345,7 +333,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper005
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromiseWrapper005', 0, async function () {
         const err = new Error('callback with the error.');
@@ -365,7 +352,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilPromiseWrapper006
      * @tc.desc: Takes a function following the common error-first callback style,
        taking an callback as the last argument, and return a version that returns promises.
-     * @tc.author: shikai
      */
     it('testUtilPromiseWrapper006', 0, async function () {
         function fn(err, val, callback) {
@@ -381,14 +367,13 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper001
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper001', 0, async function () {
         const promiseFn = [1, 2];
         try {
             util.callbackWrapper(promiseFn);
         } catch(e) {
-            expect(e.message).assertEqual('original is not function');
+            expect(e.toString()).assertEqual('BusinessError: Parameter error.The type of 1,2 must be function');
         }
     })
 
@@ -396,7 +381,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper002
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper002', 0, async function () {
         async function promiseFn() {
@@ -415,7 +399,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper003
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper003', 0, async function () {
         async function promiseFn() {
@@ -434,7 +417,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper004
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper004', 0, async function () {
         async function promiseFn() {
@@ -454,7 +436,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper005
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper005', 0, async function () {
         async function promiseFn(a, b) {
@@ -473,7 +454,6 @@ describe('TextEncoderTest', function () {
      * @tc.name: testUtilCallbackWrapper006
      * @tc.desc: Takes an async function (or a function that returns a Promise) and
        returns a function following the error-first callback style.
-     * @tc.author: shikai
      */
     it('testUtilCallbackWrapper006', 0, async function () {
         async function promiseFn(){
@@ -492,7 +472,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textdecoder_001
      * @tc.desc: The source encoding's name, lowercased.
-     * @tc.author: wangben
      */
     it('testencoding_textdecoder_001', 0, function () {
         var  that = new util.TextDecoder('utf-8', { ignoreBOM : true })
@@ -503,7 +482,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textdecoder_002
      * @tc.desc: The source encoding's name, lowercased.
-     * @tc.author: wangben
      */
     it('testencoding_textdecoder_002', 0, function () {
         var that = new util.TextDecoder('utf-16le')
@@ -514,7 +492,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textdecoder_003
      * @tc.desc: The source encoding's name, lowercased.
-     * @tc.author: wangben
      */
     it('testencoding_textdecoder_003', 0, function () {
         var that = new util.TextDecoder('utf-16be')
@@ -525,7 +502,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textdecoder_004
      * @tc.desc: The source encoding's name, lowercased.
-     * @tc.author: wangben
      */
     it('testencoding_textdecoder_004', 0, function () {
         var that = new util.TextDecoder('utf-16be', { ignoreBOM : true })
@@ -536,7 +512,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textdecoder_005
      * @tc.desc: The source encoding's name, lowercased.
-     * @tc.author: wangben
      */
     it('testencoding_textdecoder_005', 0, function () {
         var that = new util.TextDecoder('utf-16be', { ignoreBOM : false })
@@ -548,7 +523,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal001
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testFatal001', 0, function () {
         var that = new util.TextDecoder('utf-16be', { fatal : true })
@@ -559,7 +533,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal002
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testFatal002', 0, function () {
         var that = new util.TextDecoder('utf-16be', { fatal : false })
@@ -570,7 +543,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal003
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testFatal003', 0, function () {
         var that = new util.TextDecoder('utf-16be')
@@ -581,7 +553,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal004
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testFatal004', 0, function () {
         var that = new util.TextDecoder('utf-8')
@@ -592,7 +563,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal005
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testFatal005', 0, function () {
         var that = new util.TextDecoder('utf-16le')
@@ -603,7 +573,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal006
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testFatal006', 0, function () {
         var that = new util.TextDecoder('gbk')
@@ -614,7 +583,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal007
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testFatal007', 0, function () {
         var that = new util.TextDecoder('gb18030')
@@ -625,7 +593,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testFatal008
      * @tc.desc: Returns `true` if error mode is "fatal", and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testFatal008', 0, function () {
         var that = new util.TextDecoder('gb2312')
@@ -636,7 +603,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM001
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testIgnoreBOM001', 0, function () {
         var that = new util.TextDecoder('utf-16be', { ignoreBOM : true })
@@ -647,7 +613,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM002
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testIgnoreBOM002', 0, function () {
         var that = new util.TextDecoder('utf-16be', { ignoreBOM : false })
@@ -658,7 +623,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM003
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testIgnoreBOM003', 0, function () {
         var that = new util.TextDecoder('utf-16be')
@@ -669,7 +633,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM004
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testIgnoreBOM004', 0, function () {
         var that = new util.TextDecoder('utf-8')
@@ -680,7 +643,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM005
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
     it('testIgnoreBOM005', 0, function () {
         var that = new util.TextDecoder('utf-16le')
@@ -691,7 +653,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM006
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testIgnoreBOM006', 0, function () {
         var that = new util.TextDecoder('gbk')
@@ -702,7 +663,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM007
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testIgnoreBOM007', 0, function () {
         var that = new util.TextDecoder('gb18030')
@@ -713,7 +673,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testIgnoreBOM008
      * @tc.desc: Returns `true` if ignore BOM flag is set, and `false` otherwise.
-     * @tc.author: wangben
      */
      it('testIgnoreBOM008', 0, function () {
         var that = new util.TextDecoder('gb2312')
@@ -724,7 +683,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_001
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('testdecode_testdecode_001', 0, function () {
         var that = new util.TextDecoder('utf-8');
@@ -740,7 +698,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_002
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('testdecode_testdecode_002', 0, function () {
         var that = new util.TextDecoder('utf-16le')
@@ -759,7 +716,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_003
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('testdecode_testdecode_003', 0, function () {
         var that = new util.TextDecoder('utf-16be');
@@ -778,7 +734,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_004
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('testdecode_testdecode_004', 0, function () {
         var that = new  util.TextDecoder('utf-8', { ignoreBOM : true })
@@ -799,7 +754,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_005
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('testdecode_testdecode_005', 0, function () {
         var that = new util.TextDecoder('utf-16le', { ignoreBOM : false })
@@ -822,7 +776,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_006
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
      it('testdecode_testdecode_006', 0, function () {
         var that = new util.TextDecoder('gbk')
@@ -843,7 +796,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_007
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
      it('testdecode_testdecode_007', 0, function () {
         var that = new util.TextDecoder('gb18030')
@@ -864,7 +816,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testdecode_testdecode_008
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
      it('testdecode_testdecode_008', 0, function () {
         var that = new util.TextDecoder('gb2312')
@@ -885,7 +836,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: decodeWithStream001
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('decodeWithStream001', 0, function () {
         var that = new util.TextDecoder('utf-16le', { ignoreBOM : false });
@@ -908,7 +858,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: decodeWithStream002
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('decodeWithStream002', 0, function () {
         var that = new  util.TextDecoder('utf-8', { ignoreBOM : true })
@@ -929,7 +878,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: decodeWithStream003
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('decodeWithStream003', 0, function () {
         var that = new util.TextDecoder('utf-16be');
@@ -948,7 +896,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: decodeWithStream004
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('decodeWithStream004', 0, function () {
         var that = new util.TextDecoder('utf-16le')
@@ -967,7 +914,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: decodeWithStream005
      * @tc.desc: Returns the result of running encoding's decoder.
-     * @tc.author: wangben
      */
     it('decodeWithStream005', 0, function () {
         var that = new util.TextDecoder('utf-8');
@@ -983,7 +929,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textencoder_001
      * @tc.desc: Encoding format.
-     * @tc.author: wangben
      */
     it('testencoding_textencoder_001', 0, function () {
         var that = new util.TextEncoder()
@@ -994,7 +939,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textencoder_002
      * @tc.desc: Encoding format test gb18030.
-     * @tc.author: wangben
      */
     it('testencoding_textencoder_002', 0, function () {
         let that = new util.TextEncoder('gb18030')
@@ -1008,7 +952,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textencoder_003
      * @tc.desc: Encoding format test gbk.
-     * @tc.author: wangben
      */
      it('testencoding_textencoder_003', 0, function () {
         let that = new util.TextEncoder('gbk')
@@ -1022,7 +965,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testencoding_textencoder_004
      * @tc.desc: Encoding format test gb2313.
-     * @tc.author: wangben
      */
     it('testencoding_textencoder_004', 0, function () {
         let that = new util.TextEncoder('gb2312')
@@ -1036,7 +978,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode001
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
      it('testEncode001', 0, function () {
         var that = new util.TextEncoder()
@@ -1049,7 +990,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode002
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode002', 0, function () {
         var that = new util.TextEncoder()
@@ -1062,7 +1002,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode003
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode003', 0, function () {
         var that = new util.TextEncoder()
@@ -1075,7 +1014,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode004
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode004', 0, function () {
         var that = new util.TextEncoder()
@@ -1088,7 +1026,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode005
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode005', 0, function () {
         var that = new util.TextEncoder()
@@ -1102,7 +1039,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode006
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode006', 0, function () {
         var that = new util.TextEncoder()
@@ -1115,7 +1051,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode007
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode007', 0, function () {
         var that = new util.TextEncoder()
@@ -1128,7 +1063,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode008
      * @tc.desc: Returns the result of encoder.
-     * @tc.author: wangben
      */
     it('testEncode008', 0, function () {
         var that = new util.TextEncoder()
@@ -1141,7 +1075,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode009
      * @tc.desc: Returns the result of encoder for gb18030.
-     * @tc.author: wangben
      */
      it('testEncode009', 0, function () {
         let that = new util.TextEncoder('gb18030')
@@ -1158,7 +1091,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode010
      * @tc.desc: Returns the result of encoder for GB18030.
-     * @tc.author: wangben
      */
     it('testEncode0010', 0, function () {
         let that = new util.TextEncoder('GB18030')
@@ -1175,7 +1107,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode011
      * @tc.desc: Returns the result of encoder for GB18030.
-     * @tc.author: wangben
      */
      it('testEncode0011', 0, function () {
         let that = new util.TextEncoder('GBK')
@@ -1192,7 +1123,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode012
      * @tc.desc: Returns the result of encoder for gbk.
-     * @tc.author: wangben
      */
     it('testEncode012', 0, function () {
         let that = new util.TextEncoder('gbk')
@@ -1209,7 +1139,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode013
      * @tc.desc: Returns the result of encoder for gb2312.
-     * @tc.author: wangben
      */
     it('testEncode013', 0, function () {
         let that = new util.TextEncoder('gb2312')
@@ -1226,7 +1155,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode014
      * @tc.desc: Returns the result of encoder for gb2312.
-     * @tc.author: wangben
      */
      it('testEncode014', 0, function () {
         let that = new util.TextEncoder('GB2312')
@@ -1243,7 +1171,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncode015
      * @tc.desc: Returns the result of encoder for gb2312, input long string.
-     * @tc.author: wangben
      */
      it('testEncode015', 0, function () {
         let that = new util.TextEncoder('GB18030')
@@ -1260,7 +1187,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto001
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto001', 0, function () {
         var that = new util.TextEncoder()
@@ -1275,7 +1201,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto002
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto002', 0, function () {
         var that = new util.TextEncoder()
@@ -1290,7 +1215,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto003
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto003', 0, function () {
         var that = new util.TextEncoder()
@@ -1305,7 +1229,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto004
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto004', 0, function () {
         var that = new util.TextEncoder()
@@ -1320,7 +1243,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto005
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto005', 0, function () {
         var that = new util.TextEncoder()
@@ -1335,7 +1257,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto006
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto006', 0, function () {
         var that = new util.TextEncoder()
@@ -1350,7 +1271,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto007
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto007', 0, function () {
         var that = new util.TextEncoder()
@@ -1365,7 +1285,6 @@ describe('TextEncoderTest', function () {
     /**
      * @tc.name: testEncodeInto008
      * @tc.desc: encode string, write the result to dest array.
-     * @tc.author: wangben
      */
     it('testEncodeInto008', 0, function () {
         var that = new util.TextEncoder()
@@ -1383,7 +1302,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getLower_001
      * @tc.desc: Obtains the lower bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getLower_001', 0, function () {
         var result = range.getLower()
@@ -1393,7 +1311,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getLower_002
      * @tc.desc: Obtains the lower bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getLower_002', 0, function () {
         var result = rangeFir.getLower()
@@ -1403,7 +1320,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getLower_003
      * @tc.desc: Obtains the lower bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getLower_003', 0, function () {
         var result = rangeSec.getLower()
@@ -1413,7 +1329,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getLower_004
      * @tc.desc: Obtains the lower bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getLower_004', 0, function () {
         var result = rangeThi.getLower()
@@ -1423,7 +1338,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getLower_005
      * @tc.desc: Obtains the lower bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getLower_005', 0, function () {
         var result = rangeFif.getLower()
@@ -1433,7 +1347,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getUpper_001
      * @tc.desc: Obtains the upper bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getUpper_001', 0, function () {
         var result = range.getUpper()
@@ -1443,7 +1356,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getUpper_002
      * @tc.desc: Obtains the upper bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getUpper_002', 0, function () {
         var result = rangeFir.getUpper()
@@ -1453,7 +1365,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getUpper_003
      * @tc.desc: Obtains the upper bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getUpper_003', 0, function () {
         var result = rangeSec.getUpper()
@@ -1463,7 +1374,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getUpper_004
      * @tc.desc: Obtains the upper bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getUpper_004', 0, function () {
         var result = rangeThi.getUpper()
@@ -1473,7 +1383,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_getUpper_005
      * @tc.desc: Obtains the upper bound of the current range.
-     * @tc.author: jiangkai
      */
     it('test_getUpper_005', 0, function () {
         var result = rangeFif.getUpper()
@@ -1483,7 +1392,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_clamp_001
      * @tc.desc: Clamps a given value to the current range.
-     * @tc.author: jiangkai
      */
     it('test_clamp_001', 0, function () {
         var result =range.clamp(tempLess)
@@ -1493,7 +1401,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_clamp_002
      * @tc.desc: Clamps a given value to the current range.
-     * @tc.author: jiangkai
      */
     it('test_clamp_002', 0, function () {
         var result =range.clamp(tempMiDF)
@@ -1503,7 +1410,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_clamp_003
      * @tc.desc: Clamps a given value to the current range.
-     * @tc.author: jiangkai
      */
     it('test_clamp_003', 0, function () {
         var result =range.clamp(tempMore)
@@ -1513,7 +1419,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_clamp_004
      * @tc.desc: Clamps a given value to the current range.
-     * @tc.author: jiangkai
      */
     it('test_clamp_004', 0, function () {
         var result =range.clamp(tempLower)
@@ -1523,7 +1428,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_clamp_005
      * @tc.desc: Clamps a given value to the current range.
-     * @tc.author: jiangkai
      */
     it('test_clamp_005', 0, function () {
         var result =range.clamp(tempUpper)
@@ -1533,7 +1437,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_001
      * @tc.desc: Checks whether a given value is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_001', 0, function () {
         var result = range.contains(tempLess)
@@ -1543,7 +1446,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_002
      * @tc.desc: Checks whether a given value is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_002', 0, function () {
         var result = range.contains(tempMiDF)
@@ -1553,7 +1455,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_003
      * @tc.desc: Checks whether a given value is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_003', 0, function () {
         var result = range.contains(tempMore)
@@ -1563,7 +1464,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_004
      * @tc.desc: Checks whether a given value is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_004', 0, function () {
         var result = range.contains(tempLower)
@@ -1573,7 +1473,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_005
      * @tc.desc: Checks whether a given value is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_005', 0, function () {
         var result = range.contains(tempUpper)
@@ -1583,7 +1482,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_006
      * @tc.desc: Checks whether a given range is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_006', 0, function () {
         var result = range.contains(rangeFir)
@@ -1593,7 +1491,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_007
      * @tc.desc: Checks whether a given range is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_007', 0, function () {
         var result = range.contains(rangeSec)
@@ -1603,7 +1500,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_008
      * @tc.desc: Checks whether a given range is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_008', 0, function () {
         var result = range.contains(rangeThi)
@@ -1613,7 +1509,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_009
      * @tc.desc: Checks whether a given range is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_009', 0, function () {
         var result = range.contains(rangeFif)
@@ -1623,7 +1518,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_contains_010
      * @tc.desc: Checks whether a given range is within the current range.
-     * @tc.author: jiangkai
      */
     it('test_contains_010', 0, function () {
         var result = range.contains(range)
@@ -1633,7 +1527,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_001
      * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_expand_001', 0, function () {
         var result = range.expand(tempMiDF, tempMidS)
@@ -1643,7 +1536,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_002
      * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_expand_002', 0, function () {
         var result = range.expand(tempLess, tempMore)
@@ -1653,7 +1545,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_003
      * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_expand_003', 0, function () {
         var result = range.expand(tempLess, tempMiDF)
@@ -1663,7 +1554,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_004
      * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_expand_004', 0, function () {
         var result = range.expand(tempMiDF, tempMore)
@@ -1673,7 +1563,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_005
      * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_expand_005', 0, function () {
         var result = range.expand(tempLower, tempUpper)
@@ -1683,7 +1572,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_006
      * @tc.desc: Creates the smallest range that includes the current range and a given range.
-     * @tc.author: jiangkai
      */
     it('test_expand_006', 0, function () {
         var result = range.expand(rangeFir)
@@ -1693,7 +1581,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_007
      * @tc.desc: Creates the smallest range that includes the current range and a given range.
-     * @tc.author: jiangkai
      */
     it('test_expand_007', 0, function () {
         var result = range.expand(rangeSec)
@@ -1703,7 +1590,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_008
      * @tc.desc: Creates the smallest range that includes the current range and a given range.
-     * @tc.author: jiangkai
      */
     it('test_expand_008', 0, function () {
         var result = range.expand(rangeThi)
@@ -1713,7 +1599,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_009
      * @tc.desc: Creates the smallest range that includes the current range and a given range.
-     * @tc.author: jiangkai
      */
     it('test_expand_009', 0, function () {
         var result = range.expand(rangeFif)
@@ -1723,7 +1608,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_010
      * @tc.desc: Creates the smallest range that includes the current range and a given range.
-     * @tc.author: jiangkai
      */
     it('test_expand_010', 0, function () {
         var result = range.expand(range)
@@ -1733,7 +1617,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_011
      * @tc.desc: Creates the smallest range that includes the current range and a given value.
-     * @tc.author: jiangkai
      */
     it('test_expand_011', 0, function () {
         var result = range.expand(tempMiDF)
@@ -1743,7 +1626,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_012
      * @tc.desc: Creates the smallest range that includes the current range and a given value.
-     * @tc.author: jiangkai
      */
     it('test_expand_012', 0, function () {
         var result = range.expand(tempLess)
@@ -1753,7 +1635,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_013
      * @tc.desc: Creates the smallest range that includes the current range and a given value.
-     * @tc.author: jiangkai
      */
     it('test_expand_013', 0, function () {
         var result = range.expand(tempMore)
@@ -1763,7 +1644,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_014
      * @tc.desc: Creates the smallest range that includes the current range and a given value.
-     * @tc.author: jiangkai
      */
     it('test_expand_014', 0, function () {
         var result = range.expand(tempLower)
@@ -1773,7 +1653,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_expand_015
      * @tc.desc: Creates the smallest range that includes the current range and a given value.
-     * @tc.author: jiangkai
      */
     it('test_expand_015', 0, function () {
         var result = range.expand(tempUpper)
@@ -1783,7 +1662,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_intersect_001
      * @tc.desc: Returns the intersection of a given range and the current range.
-     * @tc.author: jiangkai
      */
     it('test_intersect_001', 0, function () {
         var result = range.intersect(rangeFir)
@@ -1793,7 +1671,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_intersect_002
      * @tc.desc: Returns the intersection of a given range and the current range.
-     * @tc.author: jiangkai
      */
     it('test_intersect_002', 0, function () {
         var result = range.intersect(rangeSec)
@@ -1803,7 +1680,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_intersect_003
      * @tc.desc: Returns the intersection of a given range and the current range.
-     * @tc.author: jiangkai
      */
     it('test_intersect_003', 0, function () {
         var result = range.intersect(rangeThi)
@@ -1813,7 +1689,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_intersect_004
      * @tc.desc: Returns the intersection of a given range and the current range.
-     * @tc.author: jiangkai
      */
     it('test_intersect_004', 0, function () {
         var result = range.intersect(rangeFif)
@@ -1823,7 +1698,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_intersect_005
      * @tc.desc: Returns the intersection of a given range and the current range.
-     * @tc.author: jiangkai
      */
     it('test_intersect_005', 0, function () {
         var result = range.intersect(range)
@@ -1834,7 +1708,6 @@ describe('ScopeTest', function () {
      * @tc.name: test_intersect_006
      * @tc.desc: Returns the intersection of the current range and the range specified by
        the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_intersect_006', 0, function () {
         var result = range.intersect(tempMiDF, tempMidS)
@@ -1845,7 +1718,6 @@ describe('ScopeTest', function () {
      * @tc.name: test_intersect_007
      * @tc.desc: Returns the intersection of the current range and the range specified by
        the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_intersect_007', 0, function () {
         var result = range.intersect(tempLess, tempMore)
@@ -1856,7 +1728,6 @@ describe('ScopeTest', function () {
      * @tc.name: test_intersect_008
      * @tc.desc: Returns the intersection of the current range and the range specified by
        the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_intersect_008', 0, function () {
         var result = range.intersect(tempLess, tempMiDF)
@@ -1867,7 +1738,6 @@ describe('ScopeTest', function () {
      * @tc.name: test_intersect_009
      * @tc.desc: Returns the intersection of the current range and the range specified by
        the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_intersect_009', 0, function () {
         var result = range.intersect(tempMiDF, tempMore)
@@ -1878,7 +1748,6 @@ describe('ScopeTest', function () {
      * @tc.name: test_intersect_010
      * @tc.desc: Returns the intersection of the current range and the range specified by
        the given lower and upper bounds.
-     * @tc.author: jiangkai
      */
     it('test_intersect_010', 0, function () {
         var result = range.intersect(tempLower, tempUpper)
@@ -1888,7 +1757,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_toString_001
      * @tc.desc: Obtains a string representation of the current range.
-     * @tc.author: jiangkai
      */
     it('test_toString_001', 0, function () {
         var result = range.toString()
@@ -1898,7 +1766,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_toString_002
      * @tc.desc: Obtains a string representation of the current range.
-     * @tc.author: jiangkai
      */
     it('test_toString_002', 0, function () {
         var result = rangeFir.toString()
@@ -1908,7 +1775,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_toString_003
      * @tc.desc: Obtains a string representation of the current range.
-     * @tc.author: jiangkai
      */
     it('test_toString_003', 0, function () {
         var result = rangeSec.toString()
@@ -1918,7 +1784,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_toString_004
      * @tc.desc: Obtains a string representation of the current range.
-     * @tc.author: jiangkai
      */
     it('test_toString_004', 0, function () {
         var result = rangeThi.toString()
@@ -1928,7 +1793,6 @@ describe('ScopeTest', function () {
     /**
      * @tc.name: test_toString_005
      * @tc.desc: Obtains a string representation of the current range.
-     * @tc.author: jiangkai
      */
     it('test_toString_005', 0, function () {
         var result = rangeFif.toString()
@@ -1942,7 +1806,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_001
      * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_001', 0, function () {
         var that = new util.Base64()
@@ -1958,7 +1821,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_002
      * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_002', 0, function () {
         var that = new util.Base64()
@@ -1974,7 +1836,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_003
      * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_003', 0, function () {
         var that = new util.Base64()
@@ -1992,7 +1853,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_004
      * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_004', 0, function () {
         var that = new util.Base64()
@@ -2008,7 +1868,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_005
      * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_005', 0, function () {
         var that = new util.Base64()
@@ -2023,7 +1882,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToStringSync_base64_001
      * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToStringSync_base64_001', 0, function () {
         var that = new util.Base64()
@@ -2035,7 +1893,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToStringSync_base64_002
      * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToStringSync_base64_002', 0, function () {
         var that = new util.Base64()
@@ -2047,7 +1904,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToStringSync_base64_003
      * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToStringSync_base64_003', 0, function () {
         var that = new util.Base64()
@@ -2060,7 +1916,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToStringSync_base64_004
      * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToStringSync_base64_004', 0, function () {
         var that = new util.Base64()
@@ -2072,7 +1927,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToStringSync_base64_005
      * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToStringSync_base64_005', 0, function () {
         var that = new util.Base64()
@@ -2085,7 +1939,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_001
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_001', 0, function () {
         var that = new util.Base64()
@@ -2101,7 +1954,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_002
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_002', 0, function () {
         var that = new util.Base64()
@@ -2117,7 +1969,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_003
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_003', 0, function () {
         var that = new util.Base64()
@@ -2134,7 +1985,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_004
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_004', 0, function () {
         var that = new util.Base64()
@@ -2150,7 +2000,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_005
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_005', 0, function () {
         var that = new util.Base64()
@@ -2166,7 +2015,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_006
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_006', 0, function () {
         var that = new util.Base64()
@@ -2182,7 +2030,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_007
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_007', 0, function () {
         var that = new util.Base64()
@@ -2198,7 +2045,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_008
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_008', 0, function () {
         var that = new util.Base64()
@@ -2216,7 +2062,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_009
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_009', 0, function () {
         var that = new util.Base64()
@@ -2232,7 +2077,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decodeSync_base64_010
      * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_decodeSync_base64_010', 0, function () {
         var that = new util.Base64()
@@ -2249,7 +2093,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_001
      * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly
        allocated u8 array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_001', 0, async function () {
         var that = await new util.Base64();
@@ -2266,7 +2109,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_002
      * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly
        allocated u8 array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_002', 0, async function () {
         var that = new util.Base64()
@@ -2283,7 +2125,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_003
      * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_003', 0, async function () {
         var that = new util.Base64()
@@ -2302,7 +2143,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_004
      * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_004', 0, async function () {
         var that = new util.Base64()
@@ -2319,7 +2159,6 @@ describe('Base64Test', function () {
      * @tc.name: test_encodeSync_base64_005
      * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
        array using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeSync_base64_005', 0, async function () {
         var that = new util.Base64()
@@ -2335,7 +2174,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToString_base64_001
      * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToString_base64_001', 0, async function () {
         var that = new util.Base64()
@@ -2348,7 +2186,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToString_base64_002
      * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToString_base64_002', 0, async function () {
         var that = new util.Base64()
@@ -2361,7 +2198,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToString_base64_003
      * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToString_base64_003', 0, async function () {
         var that = new util.Base64()
@@ -2375,7 +2211,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToString_base64_004
      * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToString_base64_004', 0, async function () {
         var that = new util.Base64()
@@ -2388,7 +2223,6 @@ describe('Base64Test', function () {
     /**
      * @tc.name: test_encodeToString_base64_005
      * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
-     * @tc.author: bihu
      */
     it('test_encodeToString_base64_005', 0, async function () {
         var that = new util.Base64()
@@ -2402,7 +2236,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_001
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_001', 0, async function () {
         var that = new util.Base64()
@@ -2419,7 +2252,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_002
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_002', 0, async function () {
         var that = new util.Base64()
@@ -2436,7 +2268,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_003
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_003', 0, async function () {
         var that = new util.Base64()
@@ -2454,7 +2285,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_004
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_004', 0, async function () {
         var that = new util.Base64()
@@ -2471,7 +2301,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_005
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_005', 0, async function () {
         var that = new util.Base64()
@@ -2488,7 +2317,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_006
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_006', 0, async function () {
         var that = new util.Base64()
@@ -2505,7 +2333,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_007
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_007', 0, async function () {
         var that = new util.Base64()
@@ -2522,7 +2349,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_008
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_008', 0, async function () {
         var that = new util.Base64()
@@ -2541,7 +2367,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_009
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8 array
        into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_009', 0, async function () {
         var that = new util.Base64()
@@ -2558,7 +2383,6 @@ describe('Base64Test', function () {
      * @tc.name: test_decode_base64_010
      * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
        array into a newly allocated u8 array.
-     * @tc.author: bihu
      */
     it('test_decode_base64_010', 0, async function () {
         var that = new util.Base64()
@@ -2577,7 +2401,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_createRationalFromString_001
      * @tc.desc: Creates a RationalNumber object based on a given string.
-     * @tc.author: liuqiang
      */
     it('test_createRationalFromString_001', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2589,7 +2412,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_createRationalFromString_002
      * @tc.desc: Creates a RationalNumber object based on a given string.
-     * @tc.author: liuqiang
      */
     it('test_createRationalFromString_002', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2601,7 +2423,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_createRationalFromString_003
      * @tc.desc: Creates a RationalNumber object based on a given string.
-     * @tc.author: liuqiang
      */
     it('test_createRationalFromString_003', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2613,7 +2434,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_createRationalFromString_004
      * @tc.desc: Creates a RationalNumber object based on a given string.
-     * @tc.author: liuqiang
      */
     it('test_createRationalFromString_004', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2625,7 +2445,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_createRationalFromString_005
      * @tc.desc: Creates a RationalNumber object based on a given string.
-     * @tc.author: liuqiang
      */
     it('test_createRationalFromString_005', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2637,7 +2456,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_compareTo_001
      * @tc.desc: Compares the current RationalNumber object with a given object.
-     * @tc.author: liuqiang
      */
     it('test_compareTo_001', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2649,7 +2467,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_compareTo_002
      * @tc.desc: Compares the current RationalNumber object with a given object.
-     * @tc.author: liuqiang
      */
     it('test_compareTo_002', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2661,7 +2478,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_compareTo_003
      * @tc.desc: Compares the current RationalNumber object with a given object.
-     * @tc.author: liuqiang
      */
     it('test_compareTo_003', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2673,7 +2489,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_compareTo_004
      * @tc.desc: Compares the current RationalNumber object with a given object.
-     * @tc.author: liuqiang
      */
     it('test_compareTo_004', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2685,7 +2500,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_compareTo_005
      * @tc.desc: Compares the current RationalNumber object with a given object.
-     * @tc.author: liuqiang
      */
     it('test_compareTo_005', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2697,7 +2511,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_equals_001
      * @tc.desc: Checks whether a given object is the same as the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('test_equals_001', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2709,7 +2522,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_equals_002
      * @tc.desc: Checks whether a given object is the same as the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('test_equals_002', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2721,7 +2533,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_equals_003
      * @tc.desc: Checks whether a given object is the same as the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('test_equals_003', 0, function () {
         var pro = new util.RationalNumber(0, 1)
@@ -2733,7 +2544,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_equals_004
      * @tc.desc: Checks whether a given object is the same as the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('test_equals_004', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2745,7 +2555,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: test_equals_005
      * @tc.desc: Checks whether a given object is the same as the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('test_equals_005', 0, function () {
         var pro = new util.RationalNumber(-2, 0)
@@ -2757,7 +2566,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberValueOf001
      * @tc.desc: Obtains the value of the current RationalNumber object as a number.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberValueOf001', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2768,7 +2576,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberValueOf002
      * @tc.desc: Obtains the value of the current RationalNumber object as a number.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberValueOf002', 0, function () {
         var pro = new util.RationalNumber(2, 10)
@@ -2779,7 +2586,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberValueOf003
      * @tc.desc: Obtains the value of the current RationalNumber object as a number.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberValueOf003', 0, function () {
         var pro = new util.RationalNumber(1, 2)
@@ -2790,7 +2596,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberValueOf004
      * @tc.desc: Obtains the value of the current RationalNumber object as a number.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberValueOf004', 0, function () {
         var pro = new util.RationalNumber(4, 2)
@@ -2801,7 +2606,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberValueOf005
      * @tc.desc: Obtains the value of the current RationalNumber object as a number.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberValueOf005', 0, function () {
         var pro = new util.RationalNumber(4, 1)
@@ -2812,7 +2616,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetCommonDivisor001
      * @tc.desc: Obtains the greatest common divisor of two specified numbers.
-     * @tc.author: liuqiang
      */
     it('testGetCommonDivisor001', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2823,7 +2626,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetCommonDivisor002
      * @tc.desc: Obtains the greatest common divisor of two specified numbers.
-     * @tc.author: liuqiang
      */
     it('testGetCommonDivisor002', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2834,7 +2636,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetCommonDivisor003
      * @tc.desc: Obtains the greatest common divisor of two specified numbers.
-     * @tc.author: liuqiang
      */
     it('testGetCommonDivisor003', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2845,7 +2646,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetCommonDivisor004
      * @tc.desc: Obtains the greatest common divisor of two specified numbers.
-     * @tc.author: liuqiang
      */
     it('testGetCommonDivisor004', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2856,7 +2656,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetCommonDivisor005
      * @tc.desc: Obtains the greatest common divisor of two specified numbers.
-     * @tc.author: liuqiang
      */
     it('testGetCommonDivisor005', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -2867,7 +2666,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator001
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator001', 0, function () {
         var pro = new util.RationalNumber(2, 1)
@@ -2878,7 +2676,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator002
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator002', 0, function () {
         var pro = new util.RationalNumber(2, 3)
@@ -2889,7 +2686,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator003
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator003', 0, function () {
         var pro = new util.RationalNumber(2, 0)
@@ -2900,7 +2696,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator004
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator004', 0, function () {
         var pro = new util.RationalNumber(10, 5)
@@ -2911,7 +2706,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator005
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator005', 0, function () {
         var pro = new util.RationalNumber(6, 3)
@@ -2922,7 +2716,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetDenominator006
      * @tc.desc: Obtains the denominator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetDenominator006', 0, function () {
         var pro = new util.RationalNumber(6, -3)
@@ -2933,7 +2726,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetNumerator001
      * @tc.desc: Obtains the numerator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetNumerator001', 0, function () {
         var pro = new util.RationalNumber(-2, 1)
@@ -2944,7 +2736,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetNumerator002
      * @tc.desc: Obtains the numerator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetNumerator002', 0, function () {
         var pro = new util.RationalNumber(0, 3)
@@ -2955,7 +2746,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetNumerator003
      * @tc.desc: Obtains the numerator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetNumerator003', 0, function () {
         var pro = new util.RationalNumber(2, 4)
@@ -2966,7 +2756,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetNumerator004
      * @tc.desc: Obtains the numerator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetNumerator004', 0, function () {
         var pro = new util.RationalNumber(3, 6)
@@ -2977,7 +2766,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testGetNumerator005
      * @tc.desc: Obtains the numerator of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testGetNumerator005', 0, function () {
         var pro = new util.RationalNumber(10, 5)
@@ -2988,7 +2776,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisFinite001
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisFinite001', 0, function () {
         var pro = new util.RationalNumber(-2, 1)
@@ -2999,7 +2786,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisFinite002
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisFinite002', 0, function () {
         var pro = new util.RationalNumber(0, 3)
@@ -3010,7 +2796,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisFinite003
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisFinite003', 0, function () {
         var pro = new util.RationalNumber(2, 0)
@@ -3021,7 +2806,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisFinite004
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisFinite004', 0, function () {
         var pro = new util.RationalNumber(1, 3)
@@ -3032,7 +2816,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisFinite005
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisFinite005', 0, function () {
         var pro = new util.RationalNumber(10, 5)
@@ -3043,7 +2826,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisNaN001
      * @tc.desc: Checks whether the current RationalNumber object represents a finite value.
-     * @tc.author: liuqiang
      */
     it('testisNaN001', 0, function () {
         var pro = new util.RationalNumber(-2, 1)
@@ -3054,7 +2836,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisNaN002
      * @tc.desc: Checks whether the current RationalNumber object represents a Not-a-Number (NaN) value.
-     * @tc.author: liuqiang
      */
     it('testisNaN002', 0, function () {
         var pro = new util.RationalNumber(0, 3)
@@ -3065,7 +2846,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisNaN003
      * @tc.desc: Checks whether the current RationalNumber object represents a Not-a-Number (NaN) value.
-     * @tc.author: liuqiang
      */
     it('testisNaN003', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -3076,7 +2856,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisNaN004
      * @tc.desc: Checks whether the current RationalNumber object represents a Not-a-Number (NaN) value.
-     * @tc.author: liuqiang
      */
     it('testisNaN004', 0, function () {
         var pro = new util.RationalNumber(10, 0)
@@ -3087,7 +2866,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisNaN005
      * @tc.desc: Checks whether the current RationalNumber object represents a Not-a-Number (NaN) value.
-     * @tc.author: liuqiang
      */
     it('testisNaN005', 0, function () {
         var pro = new util.RationalNumber(10, 1)
@@ -3098,7 +2876,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisZero001
      * @tc.desc: Checks whether the current RationalNumber object represents the value 0.
-     * @tc.author: liuqiang
      */
     it('testisZero001', 0, function () {
         var pro = new util.RationalNumber(-2, 1)
@@ -3109,7 +2886,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisZero002
      * @tc.desc: Checks whether the current RationalNumber object represents the value 0.
-     * @tc.author: liuqiang
      */
     it('testisZero002', 0, function () {
         var pro = new util.RationalNumber(0, 3)
@@ -3120,7 +2896,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisZero003
      * @tc.desc: Checks whether the current RationalNumber object represents the value 0.
-     * @tc.author: liuqiang
      */
     it('testisZero003', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -3131,7 +2906,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisZero004
      * @tc.desc: Checks whether the current RationalNumber object represents the value 0.
-     * @tc.author: liuqiang
      */
     it('testisZero004', 0, function () {
         var pro = new util.RationalNumber(10, 2)
@@ -3142,7 +2916,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testisZero005
      * @tc.desc: Checks whether the current RationalNumber object represents the value 0.
-     * @tc.author: liuqiang
      */
     it('testisZero005', 0, function () {
         var pro = new util.RationalNumber(1, 1)
@@ -3153,7 +2926,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberToString001
      * @tc.desc: Obtains a string representation of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberToString001', 0, function () {
         var pro = new util.RationalNumber(-2, 1)
@@ -3164,7 +2936,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberToString002
      * @tc.desc: Obtains a string representation of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberToString002', 0, function () {
         var pro = new util.RationalNumber(0, 0)
@@ -3175,7 +2946,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberToString003
      * @tc.desc: Obtains a string representation of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberToString003', 0, function () {
         var pro = new util.RationalNumber(3, 0)
@@ -3186,7 +2956,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberToString004
      * @tc.desc: Obtains a string representation of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberToString004', 0, function () {
         var pro = new util.RationalNumber(-3, 0)
@@ -3197,7 +2966,6 @@ describe('RationalNumberFunTest', function () {
     /**
      * @tc.name: testRationalNumberToString005
      * @tc.desc: Obtains a string representation of the current RationalNumber object.
-     * @tc.author: liuqiang
      */
     it('testRationalNumberToString005', 0, function () {
         var pro = new util.RationalNumber(2, 3)
@@ -3211,7 +2979,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferUpdateGetCapacity001
      * @tc.desc: Updates the buffer capacity to a specified capacity.
-     * @tc.author: lixingyang
      */
     it('testLruBufferUpdateGetCapacity001', 0, function () {
         var that = new util.LruBuffer()
@@ -3223,7 +2990,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferUpdateGetCapacity002
      * @tc.desc: Updates the buffer capacity to a specified capacity.
-     * @tc.author: lixingyang
      */
     it('testLruBufferUpdateGetCapacity002', 0, function () {
         var that = new util.LruBuffer()
@@ -3235,7 +3001,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferUpdateGetCapacity003
      * @tc.desc: Updates the buffer capacity to a specified capacity.
-     * @tc.author: lixingyang
      */
     it('testLruBufferUpdateGetCapacity003', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3247,7 +3012,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferUpdateGetCapacity004
      * @tc.desc: Updates the buffer capacity to a specified capacity.
-     * @tc.author: lixingyang
      */
     it('testLruBufferUpdateGetCapacity004', 0, function () {
         var that = new util.LruBuffer(50)
@@ -3259,7 +3023,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferUpdateGetCapacity005
      * @tc.desc: Updates the buffer capacity to a specified capacity.
-     * @tc.author: lixingyang
      */
     it('testLruBufferUpdateGetCapacity005', 0, function () {
         var that = new util.LruBuffer(200)
@@ -3271,7 +3034,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGet001
      * @tc.desc: Obtains the value associated with a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGet001', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3283,7 +3045,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGet002
      * @tc.desc: Obtains the value associated with a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGet002', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3295,7 +3056,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGet003
      * @tc.desc: Obtains the value associated with a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGet003', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3313,7 +3073,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGet004
      * @tc.desc: Obtains the value associated with a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGet004', 0, function () {
         var that = new util.LruBuffer()
@@ -3333,7 +3092,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGet005
      * @tc.desc: Obtains the value associated with a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGet005', 0, function () {
         var that = new util.LruBuffer()
@@ -3354,7 +3112,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferPut001
      * @tc.desc: Adds a key-value pair to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferPut001', 0, function () {
         var that = new util.LruBuffer()
@@ -3365,7 +3122,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferPut002
      * @tc.desc: Adds a key-value pair to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferPut002', 0, function () {
         var that = new util.LruBuffer()
@@ -3377,7 +3133,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferPut003
      * @tc.desc: Adds a key-value pair to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferPut003', 0, function () {
         var that = new util.LruBuffer()
@@ -3395,7 +3150,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferPut004
      * @tc.desc: Adds a key-value pair to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferPut004', 0, function () {
         var that = new util.LruBuffer()
@@ -3415,7 +3169,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferPut005
      * @tc.desc: Adds a key-value pair to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferPut005', 0, function () {
         var that = new util.LruBuffer()
@@ -3436,7 +3189,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCreateCount001
      * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCreateCount001', 0, function () {
         var that = new util.LruBuffer()
@@ -3453,7 +3205,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCreateCount002
      * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCreateCount002', 0, function () {
         var that = new util.LruBuffer()
@@ -3470,7 +3221,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCreateCount003
      * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCreateCount003', 0, function () {
         var that = new util.LruBuffer()
@@ -3485,7 +3235,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCreateCount004
      * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCreateCount004', 0, function () {
         var that = new util.LruBuffer()
@@ -3502,7 +3251,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCreateCount005
      * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCreateCount005', 0, function () {
         var that = new util.LruBuffer()
@@ -3519,7 +3267,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount001
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount001', 0, function () {
         var that = new util.LruBuffer()
@@ -3536,7 +3283,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount002
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount002', 0, function () {
         var that = new util.LruBuffer()
@@ -3553,7 +3299,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount003
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount003', 0, function () {
         var that = new util.LruBuffer()
@@ -3570,7 +3315,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount004
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount004', 0, function () {
         var that = new util.LruBuffer()
@@ -3587,7 +3331,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount005
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount005', 0, function () {
         var that = new util.LruBuffer()
@@ -3606,7 +3349,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMissCount006
      * @tc.desc: Obtains the number of times that the queried values are not matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMissCount006', 0, function () {
         var that = new util.LruBuffer()
@@ -3623,7 +3365,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetRemovalCount001
      * @tc.desc: Obtains the number of times that values are evicted from the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetRemovalCount001', 0, function () {
         var that = new util.LruBuffer()
@@ -3639,7 +3380,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetRemovalCount002
      * @tc.desc: Obtains the number of times that values are evicted from the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetRemovalCount002', 0, function () {
         var that = new util.LruBuffer()
@@ -3654,7 +3394,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetRemovalCount003
      * @tc.desc: Obtains the number of times that values are evicted from the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetRemovalCount003', 0, function () {
         var that = new util.LruBuffer()
@@ -3668,7 +3407,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetRemovalCount004
      * @tc.desc: Obtains the number of times that values are evicted from the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetRemovalCount004', 0, function () {
         var that = new util.LruBuffer()
@@ -3685,7 +3423,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetRemovalCount005
      * @tc.desc: Obtains the number of times that values are evicted from the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetRemovalCount005', 0, function () {
         var that = new util.LruBuffer()
@@ -3703,7 +3440,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount001
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount001', 0, function () {
         var that = new util.LruBuffer()
@@ -3720,7 +3456,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount002
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount002', 0, function () {
         var that = new util.LruBuffer()
@@ -3738,7 +3473,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount003
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount003', 0, function () {
         var that = new util.LruBuffer()
@@ -3755,7 +3489,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount004
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount004', 0, function () {
         var that = new util.LruBuffer()
@@ -3775,7 +3508,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount005
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount005', 0, function () {
         var that = new util.LruBuffer()
@@ -3798,7 +3530,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetMatchCount006
      * @tc.desc: Obtains the number of times that the queried values are successfully matched.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetMatchCount006', 0, function () {
         var that = new util.LruBuffer()
@@ -3813,7 +3544,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetPutCount001
      * @tc.desc: Obtains the number of times that values are added to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetPutCount001', 0, function () {
         var that = new util.LruBuffer()
@@ -3825,7 +3555,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetPutCount002
      * @tc.desc: Obtains the number of times that values are added to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetPutCount002', 0, function () {
         var that = new util.LruBuffer()
@@ -3838,7 +3567,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetPutCount003
      * @tc.desc: Obtains the number of times that values are added to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetPutCount003', 0, function () {
         var that = new util.LruBuffer()
@@ -3852,7 +3580,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetPutCount004
      * @tc.desc: Obtains the number of times that values are added to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetPutCount004', 0, function () {
         var that = new util.LruBuffer()
@@ -3866,7 +3593,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetPutCount005
      * @tc.desc: Obtains the number of times that values are added to the buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetPutCount005', 0, function () {
         var that = new util.LruBuffer()
@@ -3881,7 +3607,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCapacity001
      * @tc.desc: Obtains the capacity of the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCapacity001', 0, function () {
         var that = new util.LruBuffer()
@@ -3892,7 +3617,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCapacity002
      * @tc.desc: Obtains the capacity of the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCapacity002', 0, function () {
         var that = new util.LruBuffer(2)
@@ -3903,7 +3627,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCapacity003
      * @tc.desc: Obtains the capacity of the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCapacity003', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3914,7 +3637,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCapacity004
      * @tc.desc: Obtains the capacity of the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCapacity004', 0, function () {
         var that = new util.LruBuffer()
@@ -3926,7 +3648,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferGetCapacity005
      * @tc.desc: Obtains the capacity of the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferGetCapacity005', 0, function () {
         var that = new util.LruBuffer(100)
@@ -3938,7 +3659,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferLength001
      * @tc.desc: Obtains the total number of values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferLength001', 0, function () {
         var that = new util.LruBuffer()
@@ -3949,7 +3669,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferLength002
      * @tc.desc: Obtains the total number of values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferLength002', 0, function () {
         var that = new util.LruBuffer()
@@ -3961,7 +3680,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferLength003
      * @tc.desc: Obtains the total number of values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferLength003', 0, function () {
         var that = new util.LruBuffer()
@@ -3974,7 +3692,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferLength004
      * @tc.desc: Obtains the total number of values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferLength004', 0, function () {
         var that = new util.LruBuffer()
@@ -3989,7 +3706,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferLength005
      * @tc.desc: Obtains the total number of values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferLength005', 0, function () {
         var that = new util.LruBuffer()
@@ -4007,7 +3723,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferClear001
      * @tc.desc: Clears key-value pairs from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferClear001', 0, function () {
         var that = new util.LruBuffer()
@@ -4022,7 +3737,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferClear002
      * @tc.desc: Clears key-value pairs from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferClear002', 0, function () {
         var that = new util.LruBuffer()
@@ -4040,7 +3754,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferClear003
      * @tc.desc: Clears key-value pairs from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferClear003', 0, function () {
         var that = new util.LruBuffer()
@@ -4058,7 +3771,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferClear004
      * @tc.desc: Clears key-value pairs from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferClear004', 0, function () {
         var that = new util.LruBuffer()
@@ -4076,7 +3788,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferClear005
      * @tc.desc: Clears key-value pairs from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferClear005', 0, function () {
         var that = new util.LruBuffer()
@@ -4095,7 +3806,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferIsEmpty001
      * @tc.desc: Checks whether the current buffer is empty.
-     * @tc.author: lixingyang
      */
     it('testLruBufferIsEmpty001', 0, function () {
         var that = new util.LruBuffer()
@@ -4107,7 +3817,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferIsEmpty002
      * @tc.desc: Checks whether the current buffer is empty.
-     * @tc.author: lixingyang
      */
     it('testLruBufferIsEmpty002', 0, function () {
         var that = new util.LruBuffer()
@@ -4120,7 +3829,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferIsEmpty003
      * @tc.desc: Checks whether the current buffer is empty.
-     * @tc.author: lixingyang
      */
     it('testLruBufferIsEmpty003', 0, function () {
         var that = new util.LruBuffer()
@@ -4134,7 +3842,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferIsEmpty004
      * @tc.desc: Checks whether the current buffer is empty.
-     * @tc.author: lixingyang
      */
     it('testLruBufferIsEmpty004', 0, function () {
         var that = new util.LruBuffer()
@@ -4148,7 +3855,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferIsEmpty005
      * @tc.desc: Checks whether the current buffer is empty.
-     * @tc.author: lixingyang
      */
     it('testLruBufferIsEmpty005', 0, function () {
         var that = new util.LruBuffer()
@@ -4163,7 +3869,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferContains001
      * @tc.desc: Checks whether the current buffer contains a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferContains001', 0, function () {
         var that = new util.LruBuffer()
@@ -4175,7 +3880,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferContains002
      * @tc.desc: Checks whether the current buffer contains a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferContains002', 0, function () {
         var that = new util.LruBuffer()
@@ -4187,7 +3891,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferContains003
      * @tc.desc: Checks whether the current buffer contains a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferContains003', 0, function () {
         var that = new util.LruBuffer()
@@ -4199,7 +3902,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferContains004
      * @tc.desc: Checks whether the current buffer contains a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferContains004', 0, function () {
         var that = new util.LruBuffer()
@@ -4214,7 +3916,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferContains005
      * @tc.desc: Checks whether the current buffer contains a specified key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferContains005', 0, function () {
         var that = new util.LruBuffer()
@@ -4231,7 +3932,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferRemove001
      * @tc.desc: Deletes a specified key and its associated value from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferRemove001', 0, function () {
         var that = new util.LruBuffer()
@@ -4243,7 +3943,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferRemove002
      * @tc.desc: Deletes a specified key and its associated value from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferRemove002', 0, function () {
         var that = new util.LruBuffer()
@@ -4258,7 +3957,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferRemove003
      * @tc.desc: Deletes a specified key and its associated value from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferRemove003', 0, function () {
         var that = new util.LruBuffer()
@@ -4272,7 +3970,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferRemove004
      * @tc.desc: Deletes a specified key and its associated value from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferRemove004', 0, function () {
         var that = new util.LruBuffer()
@@ -4287,7 +3984,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferRemove005
      * @tc.desc: Deletes a specified key and its associated value from the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferRemove005', 0, function () {
         var that = new util.LruBuffer()
@@ -4305,7 +4001,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferCreateDefault001
      * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferCreateDefault001', 0, function () {
         var that = new util.LruBuffer()
@@ -4316,7 +4011,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferCreateDefault002
      * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferCreateDefault002', 0, function () {
         var that = new util.LruBuffer()
@@ -4327,7 +4021,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferCreateDefault003
      * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferCreateDefault003', 0, function () {
         var that = new util.LruBuffer()
@@ -4338,7 +4031,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferCreateDefault004
      * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferCreateDefault004', 0, function () {
         var that = new util.LruBuffer()
@@ -4349,7 +4041,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferCreateDefault005
      * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
-     * @tc.author: lixingyang
      */
     it('testLruBufferCreateDefault005', 0, function () {
         var that = new util.LruBuffer()
@@ -4362,7 +4053,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferKeys001
      * @tc.desc: Obtains a list of keys for the values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferKeys001', 0, function () {
         var that = new util.LruBuffer()
@@ -4374,7 +4064,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferKeys002
      * @tc.desc: Obtains a list of keys for the values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferKeys002', 0, function () {
         var that = new util.LruBuffer()
@@ -4392,7 +4081,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferKeys003
      * @tc.desc: Obtains a list of keys for the values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferKeys003', 0, function () {
         var that = new util.LruBuffer()
@@ -4411,7 +4099,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferKeys004
      * @tc.desc: Obtains a list of keys for the values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferKeys004', 0, function () {
         var that = new util.LruBuffer()
@@ -4431,7 +4118,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferKeys005
      * @tc.desc: Obtains a list of keys for the values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferKeys005', 0, function () {
         var that = new util.LruBuffer()
@@ -4453,7 +4139,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferValues001
      * @tc.desc: Obtains a list of all values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferValues001', 0, function () {
         var that = new util.LruBuffer()
@@ -4465,7 +4150,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferValues002
      * @tc.desc: Obtains a list of all values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferValues002', 0, function () {
         var that = new util.LruBuffer()
@@ -4483,7 +4167,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferValues003
      * @tc.desc: Obtains a list of all values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferValues003', 0, function () {
         var that = new util.LruBuffer()
@@ -4502,7 +4185,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferValues004
      * @tc.desc: Obtains a list of all values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferValues004', 0, function () {
         var that = new util.LruBuffer()
@@ -4522,7 +4204,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferValues005
      * @tc.desc: Obtains a list of all values in the current buffer.
-     * @tc.author: lixingyang
      */
     it('testLruBufferValues005', 0, function () {
         var that = new util.LruBuffer()
@@ -4544,7 +4225,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferToString001
      * @tc.desc: Returns a string representation of the object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferToString001', 0, function () {
         var that = new util.LruBuffer()
@@ -4557,7 +4237,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferToString002
      * @tc.desc: Returns a string representation of the object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferToString002', 0, function () {
         var that = new util.LruBuffer()
@@ -4572,7 +4251,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferToString003
      * @tc.desc: Returns a string representation of the object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferToString003', 0, function () {
         var that = new util.LruBuffer(100)
@@ -4588,7 +4266,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferToString004
      * @tc.desc: Returns a string representation of the object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferToString004', 0, function () {
         var that = new util.LruBuffer(100)
@@ -4605,7 +4282,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferToString005
      * @tc.desc: Returns a string representation of the object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferToString005', 0, function () {
         var that = new util.LruBuffer(100)
@@ -4624,7 +4300,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferEntries001
      * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferEntries001', 0, function () {
         var that = new util.LruBuffer()
@@ -4643,7 +4318,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferEntries002
      * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferEntries002', 0, function () {
         var that = new util.LruBuffer()
@@ -4665,7 +4339,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferEntries003
      * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferEntries003', 0, function () {
         var that = new util.LruBuffer()
@@ -4688,7 +4361,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferEntries004
      * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferEntries004', 0, function () {
         var that = new util.LruBuffer()
@@ -4713,7 +4385,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferEntries005
      * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
-     * @tc.author: lixingyang
      */
     it('testLruBufferEntries005', 0, function () {
         var that = new util.LruBuffer()
@@ -4742,7 +4413,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBuffer[Symbol.iterator]001
      * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
-     * @tc.author: lixingyang
      */
     it('testLruBuffer[Symbol.iterator]001', 0, function () {
         var that = new util.LruBuffer()
@@ -4762,7 +4432,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBuffer[Symbol.iterator]002
      * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
-     * @tc.author: lixingyang
      */
     it('testLruBuffer[Symbol.iterator]002', 0, function () {
         var that = new util.LruBuffer()
@@ -4784,7 +4453,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBuffer[Symbol.iterator]003
      * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
-     * @tc.author: lixingyang
      */
     it('testLruBuffer[Symbol.iterator]003', 0, function () {
         var that = new util.LruBuffer()
@@ -4807,7 +4475,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBuffer[Symbol.iterator]004
      * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
-     * @tc.author: lixingyang
      */
     it('testLruBuffer[Symbol.iterator]004', 0, function () {
         var that = new util.LruBuffer()
@@ -4832,7 +4499,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBuffer[Symbol.iterator]005
      * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
-     * @tc.author: lixingyang
      */
     it('testLruBuffer[Symbol.iterator]005', 0, function () {
         var that = new util.LruBuffer()
@@ -4861,7 +4527,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferAfterRemoval001
      * @tc.desc: Executes subsequent operations after a value is deleted.
-     * @tc.author: lixingyang
      */
     it('testLruBufferAfterRemoval001', 0, function () {
         var arr = [];
@@ -4894,7 +4559,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferAfterRemoval002
      * @tc.desc: Executes subsequent operations after a value is deleted.
-     * @tc.author: lixingyang
      */
     it('testLruBufferAfterRemoval002', 0, function () {
         var arr = [];
@@ -4927,7 +4591,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferAfterRemoval003
      * @tc.desc: Executes subsequent operations after a value is deleted.
-     * @tc.author: lixingyang
      */
     it('testLruBufferAfterRemoval003', 0, function () {
         var arr = [];
@@ -4960,7 +4623,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferAfterRemoval004
      * @tc.desc: Executes subsequent operations after a value is deleted.
-     * @tc.author: lixingyang
      */
     it('testLruBufferAfterRemoval004', 0, function () {
         var arr = [];
@@ -4993,7 +4655,6 @@ describe('LruBufferFunTest', function () {
     /**
      * @tc.name: testLruBufferAfterRemoval005
      * @tc.desc: Executes subsequent operations after a value is deleted.
-     * @tc.author: lixingyang
      */
     it('testLruBufferAfterRemoval005', 0, function () {
         var arr = [];
@@ -5029,7 +4690,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAnyArrayBuffer001
      * @tc.desc: Check whether the entered value is of arraybuffer or sharedarraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsAnyArrayBuffer001', 0, function() {
         var proc = new util.types();
@@ -5040,7 +4700,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAnyArrayBuffer002
      * @tc.desc: Check whether the entered value is of arraybuffer or sharedarraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsAnyArrayBuffer002', 0, function() {
         var proc = new util.types();
@@ -5051,7 +4710,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAnyArrayBuffer003
      * @tc.desc: Check whether the entered value is of arraybuffer or sharedarraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsAnyArrayBuffer003', 0, function() {
         var proc = new util.types();
@@ -5062,7 +4720,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAnyArrayBuffer004
      * @tc.desc: Check whether the entered value is of arraybuffer or sharedarraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsAnyArrayBuffer004', 0, function() {
         var proc = new util.types();
@@ -5074,7 +4731,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAnyArrayBuffer005
      * @tc.desc: Check whether the entered value is of arraybuffer or sharedarraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsAnyArrayBuffer005', 0, function() {
         var proc = new util.types();
@@ -5087,7 +4743,6 @@ describe('TypesTest', function() {
      * @tc.desc: Check whether the entered value is napi_ int8_ array or napi_ uint8_ array
        or naPi_ uint8_ clamped_ array or naPi_ int16_ array or naPi_ uint16_ array or napi_ int32_ array or napi_
        uint32_ array or napi_ float32_ array or napi_ float64_ array array or DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBufferView001', 0, function() {
         var proc = new util.types();
@@ -5100,7 +4755,6 @@ describe('TypesTest', function() {
      * @tc.desc: Check whether the entered value is napi_ int8_ array or napi_ uint8_ array
        or naPi_ uint8_ clamped_ array or naPi_ int16_ array or naPi_ uint16_ array or napi_
        int32_ array or napi_ uint32_ array or napi_ float32_ array or napi_ float64_ array array or DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBufferView002', 0, function() {
         var proc = new util.types();
@@ -5113,7 +4767,6 @@ describe('TypesTest', function() {
      * @tc.desc: Check whether the entered value is napi_ int8_ array or napi_ uint8_
        array or naPi_ uint8_ clamped_ array or naPi_ int16_ array or naPi_ uint16_ array or napi_ int32_ array or
        napi_ uint32_ array or napi_ float32_ array or napi_ float64_ array array or DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBufferView003', 0, function() {
         var proc = new util.types();
@@ -5126,7 +4779,6 @@ describe('TypesTest', function() {
      * @tc.desc: Check whether the entered value is napi_ int8_ array or napi_ uint8_ array or naPi_ uint8_
        clamped_ array or naPi_ int16_ array or naPi_ uint16_ array or napi_ int32_ array or napi_ uint32_ array or
        napi_ float32_ array or napi_ float64_ array array or DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBufferView004', 0, function() {
         var proc = new util.types();
@@ -5139,7 +4791,6 @@ describe('TypesTest', function() {
      * @tc.desc: Check whether the entered value is napi_ int8_ array or napi_ uint8_ array or naPi_ uint8_
        clamped_ array or naPi_ int16_ array or naPi_ uint16_ array or napi_ int32_ array or napi_ uint32_ array or
        napi_ float32_ array or napi_ float64_ array array or DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBufferView005', 0, function() {
         var proc = new util.types();
@@ -5150,7 +4801,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArgumentsObject001
      * @tc.desc: Check whether the entered value is an arguments object type.
-     * @tc.author: wangjingwu
      */
     it('testIsArgumentsObject001', 0, function() {
         var proc = new util.types();
@@ -5164,7 +4814,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArgumentsObject002
      * @tc.desc: Check whether the entered value is an arguments object type.
-     * @tc.author: wangjingwu
      */
     it('testIsArgumentsObject002', 0, function() {
         var proc = new util.types();
@@ -5175,7 +4824,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArgumentsObject003
      * @tc.desc: Check whether the entered value is an arguments object type.
-     * @tc.author: wangjingwu
      */
     it('testIsArgumentsObject003', 0, function() {
         var proc = new util.types();
@@ -5186,7 +4834,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArgumentsObject004
      * @tc.desc: Check whether the entered value is an arguments object type.
-     * @tc.author: wangjingwu
      */
     it('testIsArgumentsObject004', 0, function() {
         var proc = new util.types();
@@ -5197,7 +4844,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArgumentsObject005
      * @tc.desc: Check whether the entered value is an arguments object type.
-     * @tc.author: wangjingwu
      */
     it('testIsArgumentsObject005', 0, function() {
         var proc = new util.types();
@@ -5208,7 +4854,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArrayBuffer001
      * @tc.desc: Check whether the entered value is of arraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBuffer001', 0, function() {
         var proc = new util.types();
@@ -5219,7 +4864,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArrayBuffer002
      * @tc.desc: Check whether the entered value is of arraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBuffer002', 0, function() {
         var proc = new util.types();
@@ -5230,7 +4874,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArrayBuffer003
      * @tc.desc: Check whether the entered value is of arraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBuffer003', 0, function() {
         var proc = new util.types();
@@ -5241,7 +4884,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArrayBuffer004
      * @tc.desc: Check whether the entered value is of arraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBuffer004', 0, function() {
         var proc = new util.types();
@@ -5252,7 +4894,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsArrayBuffer005
      * @tc.desc: Check whether the entered value is of arraybuffer type.
-     * @tc.author: wangjingwu
      */
     it('testIsArrayBuffer005', 0, function() {
         var proc = new util.types();
@@ -5263,7 +4904,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAsyncFunction001
      * @tc.desc: Check whether the value entered is an asynchronous function type.
-     * @tc.author: wangjingwu
      */
     it('testIsAsyncFunction001', 0, function() {
         var proc = new util.types();
@@ -5274,7 +4914,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAsyncFunction002
      * @tc.desc: Check whether the value entered is an asynchronous function type.
-     * @tc.author: wangjingwu
      */
     it('testIsAsyncFunction002', 0, function() {
         var proc = new util.types();
@@ -5285,7 +4924,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAsyncFunction003
      * @tc.desc: Check whether the value entered is an asynchronous function type.
-     * @tc.author: wangjingwu
      */
     it('testIsAsyncFunction003', 0, function() {
         var proc = new util.types();
@@ -5296,7 +4934,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsAsyncFunction004
      * @tc.desc: Check whether the value entered is an asynchronous function type.
-     * @tc.author: wangjingwu
      */
     it('testIsAsyncFunction004', 0, function() {
         var proc = new util.types();
@@ -5307,7 +4944,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigInt64Array001
      * @tc.desc: Check whether the entered value is of bigint64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsBigInt64Array001', 0, function() {
         var proc = new util.types();
@@ -5318,7 +4954,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigInt64Array002
      * @tc.desc: Check whether the entered value is of bigint64array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigInt64Array002', 0, function() {
         var proc = new util.types();
@@ -5329,7 +4964,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigInt64Array003
      * @tc.desc: Check whether the entered value is of bigint64array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigInt64Array003', 0, function() {
         var proc = new util.types();
@@ -5340,7 +4974,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigInt64Array004
      * @tc.desc: Check whether the entered value is of bigint64array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigInt64Array004', 0, function() {
         var proc = new util.types();
@@ -5351,7 +4984,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigInt64Array005
      * @tc.desc: Check whether the entered value is of bigint64array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigInt64Array005', 0, function() {
         var proc = new util.types();
@@ -5362,7 +4994,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array001
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsBigUint64Array001', 0, function() {
         var proc = new util.types();
@@ -5373,7 +5004,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array002
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigUint64Array002', 0, function() {
         var proc = new util.types();
@@ -5384,7 +5014,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array002
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigUint64Array002', 0, function() {
         var proc = new util.types();
@@ -5395,7 +5024,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array003
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigUint64Array003', 0, function() {
         var proc = new util.types();
@@ -5406,7 +5034,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array004
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigUint64Array004', 0, function() {
         var proc = new util.types();
@@ -5417,7 +5044,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBigUint64Array005
      * @tc.desc: Check whether the entered value is of biguint64array array array type.
-     * @tc.author: wangjingwu
      */
      it('testIsBigUint64Array005', 0, function() {
         var proc = new util.types();
@@ -5429,7 +5055,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBooleanObject001
      * @tc.desc: Check whether the entered value is a Boolean object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBooleanObject001', 0, function() {
         var proc = new util.types();
@@ -5440,7 +5065,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBooleanObject002
      * @tc.desc: Check whether the entered value is a Boolean object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBooleanObject002', 0, function() {
         var proc = new util.types();
@@ -5451,7 +5075,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBooleanObject003
      * @tc.desc: Check whether the entered value is a Boolean object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBooleanObject003', 0, function() {
         var proc = new util.types();
@@ -5462,7 +5085,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBooleanObject004
      * @tc.desc: Check whether the entered value is a Boolean object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBooleanObject004', 0, function() {
         var proc = new util.types();
@@ -5473,7 +5095,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBooleanObject005
      * @tc.desc: Check whether the entered value is a Boolean object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBooleanObject005', 0, function() {
         var proc = new util.types();
@@ -5484,7 +5105,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBoxedPrimitive001
      * @tc.desc: Check whether the entered value is a Boolean or number or string or symbol object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBoxedPrimitive001', 0, function() {
         var proc = new util.types();
@@ -5495,7 +5115,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBoxedPrimitive002
      * @tc.desc: Check whether the entered value is a Boolean or number or string or symbol object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBoxedPrimitive002', 0, function() {
         var proc = new util.types();
@@ -5506,7 +5125,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBoxedPrimitive003
      * @tc.desc: Check whether the entered value is a Boolean or number or string or symbol object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBoxedPrimitive003', 0, function() {
         var proc = new util.types();
@@ -5517,7 +5135,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBoxedPrimitive004
      * @tc.desc: Check whether the entered value is a Boolean or number or string or symbol object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBoxedPrimitive004', 0, function() {
         var proc = new util.types();
@@ -5528,7 +5145,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsBoxedPrimitive005
      * @tc.desc: Check whether the entered value is a Boolean or number or string or symbol object type.
-     * @tc.author: wangjingwu
      */
     it('testIsBoxedPrimitive005', 0, function() {
         var proc = new util.types();
@@ -5539,7 +5155,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDataView001
      * @tc.desc: Check whether the entered value is of DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsDataView001', 0, function() {
         var proc = new util.types();
@@ -5551,7 +5166,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDataView002
      * @tc.desc: Check whether the entered value is of DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsDataView002', 0, function() {
         var proc = new util.types();
@@ -5562,7 +5176,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDataView003
      * @tc.desc: Check whether the entered value is of DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsDataView003', 0, function() {
         var proc = new util.types();
@@ -5573,7 +5186,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDataView004
      * @tc.desc: Check whether the entered value is of DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsDataView004', 0, function() {
         var proc = new util.types();
@@ -5584,7 +5196,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDataView005
      * @tc.desc: Check whether the entered value is of DataView type.
-     * @tc.author: wangjingwu
      */
     it('testIsDataView005', 0, function() {
         var proc = new util.types();
@@ -5595,7 +5206,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDate001
      * @tc.desc: Check whether the entered value is of type date.
-     * @tc.author: wangjingwu
      */
     it('testIsDate001', 0, function() {
         var proc = new util.types();
@@ -5606,7 +5216,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDate002
      * @tc.desc: Check whether the entered value is of type date.
-     * @tc.author: wangjingwu
      */
     it('testIsDate002', 0, function() {
         var proc = new util.types();
@@ -5617,7 +5226,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDate003
      * @tc.desc: Check whether the entered value is of type date.
-     * @tc.author: wangjingwu
      */
     it('testIsDate003', 0, function() {
         var proc = new util.types();
@@ -5628,7 +5236,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDate004
      * @tc.desc: Check whether the entered value is of type date.
-     * @tc.author: wangjingwu
      */
     it('testIsDate004', 0, function() {
         var proc = new util.types();
@@ -5639,7 +5246,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsDate005
      * @tc.desc: Check whether the entered value is of type date.
-     * @tc.author: wangjingwu
      */
     it('testIsDate005', 0, function() {
         var proc = new util.types();
@@ -5650,7 +5256,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsExternal001
      * @tc.desc: Check whether the entered value is a native external value type.
-     * @tc.author: wangjingwu
      */
     it('testIsExternal001', 0, function() {
         var proc = new util.types();
@@ -5661,7 +5266,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsExternal002
      * @tc.desc: Check whether the entered value is a native external value type.
-     * @tc.author: wangjingwu
      */
     it('testIsExternal002', 0, function() {
         var proc = new util.types();
@@ -5672,7 +5276,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsExternal003
      * @tc.desc: Check whether the entered value is a native external value type.
-     * @tc.author: wangjingwu
      */
     it('testIsExternal003', 0, function() {
         var proc = new util.types();
@@ -5683,7 +5286,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsExternal004
      * @tc.desc: Check whether the entered value is a native external value type.
-     * @tc.author: wangjingwu
      */
     it('testIsExternal004', 0, function() {
         var proc = new util.types();
@@ -5694,7 +5296,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsExternal005
      * @tc.desc: Check whether the entered value is a native external value type.
-     * @tc.author: wangjingwu
      */
     it('testIsExternal005', 0, function() {
         var proc = new util.types();
@@ -5705,7 +5306,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat32Array001
      * @tc.desc: Check whether the entered value is of float32array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat32Array001', 0, function() {
         var proc = new util.types();
@@ -5716,7 +5316,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat32Array002
      * @tc.desc: Check whether the entered value is of float32array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat32Array002', 0, function() {
         var proc = new util.types();
@@ -5727,7 +5326,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat32Array003
      * @tc.desc: Check whether the entered value is of float32array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat32Array003', 0, function() {
         var proc = new util.types();
@@ -5738,7 +5336,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat32Array004
      * @tc.desc: Check whether the entered value is of float32array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat32Array004', 0, function() {
         var proc = new util.types();
@@ -5749,7 +5346,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat32Array005
      * @tc.desc: Check whether the entered value is of float32array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat32Array005', 0, function() {
         var proc = new util.types();
@@ -5760,7 +5356,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat64Array001
      * @tc.desc: Check whether the entered value is of float64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat64Array001', 0, function() {
         var proc = new util.types();
@@ -5771,7 +5366,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat64Array002
      * @tc.desc: Check whether the entered value is of float64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat64Array002', 0, function() {
         var proc = new util.types();
@@ -5782,7 +5376,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat64Array003
      * @tc.desc: Check whether the entered value is of float64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat64Array003', 0, function() {
         var proc = new util.types();
@@ -5793,7 +5386,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat64Array004
      * @tc.desc: Check whether the entered value is of float64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat64Array004', 0, function() {
         var proc = new util.types();
@@ -5804,7 +5396,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsFloat64Array005
      * @tc.desc: Check whether the entered value is of float64array array type.
-     * @tc.author: wangjingwu
      */
     it('testIsFloat64Array005', 0, function() {
         var proc = new util.types();
@@ -5815,7 +5406,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorFunction001
      * @tc.desc: Check whether the input value is a generator function type.
-     * @tc.author: wangjingwu
      */
     it('testIsGeneratorFunction001', 0, function() {
         var proc = new util.types();
@@ -5826,7 +5416,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorFunction002
      * @tc.desc: Check whether the input value is a generator function type.
-     * @tc.author: wangjingwu
      */
     it('testIsGeneratorFunction002', 0, function() {
         var proc = new util.types();
@@ -5837,7 +5426,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorFunction003
      * @tc.desc: Check whether the input value is a generator function type.
-     * @tc.author: wangjingwu
      */
     it('testIsGeneratorFunction003', 0, function() {
         var proc = new util.types();
@@ -5848,7 +5436,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorFunction004
      * @tc.desc: Check whether the input value is a generator function type.
-     * @tc.author: wangjingwu
      */
     it('testIsGeneratorFunction004', 0, function() {
         var proc = new util.types();
@@ -5859,7 +5446,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorObject001
      * @tc.desc: Check whether the entered value is a generator object type.
-     * @tc.author: bihu
      */
     it('testIsGeneratorObject001', 0, function() {
         var proc = new util.types();
@@ -5870,7 +5456,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorObject002
      * @tc.desc: Check whether the entered value is a generator object type.
-     * @tc.author: bihu
      */
     it('testIsGeneratorObject002', 0, function() {
         var proc = new util.types();
@@ -5881,7 +5466,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorObject003
      * @tc.desc: Check whether the entered value is a generator object type.
-     * @tc.author: bihu
      */
     it('testIsGeneratorObject003', 0, function() {
         var proc = new util.types();
@@ -5892,7 +5476,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsGeneratorObject004
      * @tc.desc: Check whether the entered value is a generator object type.
-     * @tc.author: bihu
      */
     it('testIsGeneratorObject004', 0, function() {
         var proc = new util.types();
@@ -5903,7 +5486,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt8Array001
      * @tc.desc: Check whether the entered value is of int8array array type.
-     * @tc.author: bihu
      */
     it('testIsInt8Array001', 0, function() {
         var proc = new util.types();
@@ -5914,7 +5496,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt8Array002
      * @tc.desc: Check whether the entered value is of int8array array type.
-     * @tc.author: bihu
      */
     it('testIsInt8Array002', 0, function() {
         var proc = new util.types();
@@ -5925,7 +5506,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt8Array003
      * @tc.desc: Check whether the entered value is of int8array array type.
-     * @tc.author: bihu
      */
     it('testIsInt8Array003', 0, function() {
         var proc = new util.types();
@@ -5936,7 +5516,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt8Array004
      * @tc.desc: Check whether the entered value is of int8array array type.
-     * @tc.author: bihu
      */
     it('testIsInt8Array004', 0, function() {
         var proc = new util.types();
@@ -5947,7 +5526,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt8Array005
      * @tc.desc: Check whether the entered value is of int8array array type.
-     * @tc.author: bihu
      */
     it('testIsInt8Array005', 0, function() {
         var proc = new util.types();
@@ -5958,7 +5536,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt16Array001
      * @tc.desc: Check whether the entered value is the int16array type.
-     * @tc.author: bihu
      */
     it('testIsInt16Array001', 0, function() {
         var proc = new util.types();
@@ -5969,7 +5546,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt16Array002
      * @tc.desc: Check whether the entered value is the int16array type.
-     * @tc.author: bihu
      */
     it('testIsInt16Array002', 0, function() {
         var proc = new util.types();
@@ -5980,7 +5556,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt16Array003
      * @tc.desc: Check whether the entered value is the int16array type.
-     * @tc.author: bihu
      */
     it('testIsInt16Array003', 0, function() {
         var proc = new util.types();
@@ -5991,7 +5566,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt16Array004
      * @tc.desc: Check whether the entered value is the int16array type.
-     * @tc.author: bihu
      */
     it('testIsInt16Array004', 0, function() {
         var proc = new util.types();
@@ -6002,7 +5576,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt16Array005
      * @tc.desc: Check whether the entered value is the int16array type.
-     * @tc.author: bihu
      */
     it('testIsInt16Array005', 0, function() {
         var proc = new util.types();
@@ -6013,7 +5586,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt32Array001
      * @tc.desc: Check whether the entered value is the int32array type.
-     * @tc.author: bihu
      */
     it('testIsInt32Array001', 0, function() {
         var proc = new util.types();
@@ -6024,7 +5596,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt32Array002
      * @tc.desc: Check whether the entered value is the int32array type.
-     * @tc.author: bihu
      */
     it('testIsInt32Array002', 0, function() {
         var proc = new util.types();
@@ -6035,7 +5606,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt32Array003
      * @tc.desc: Check whether the entered value is the int32array type.
-     * @tc.author: bihu
      */
     it('testIsInt32Array003', 0, function() {
         var proc = new util.types();
@@ -6046,7 +5616,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt32Array004
      * @tc.desc: Check whether the entered value is the int32array type.
-     * @tc.author: bihu
      */
     it('testIsInt32Array004', 0, function() {
         var proc = new util.types();
@@ -6057,7 +5626,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsInt32Array005
      * @tc.desc: Check whether the entered value is the int32array type.
-     * @tc.author: bihu
      */
     it('testIsInt32Array005', 0, function() {
         var proc = new util.types();
@@ -6068,7 +5636,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMap001
      * @tc.desc: Check whether the entered value is of map type.
-     * @tc.author: bihu
      */
     it('testIsMap001', 0, function() {
         var proc = new util.types();
@@ -6079,7 +5646,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMap002
      * @tc.desc: Check whether the entered value is of map type.
-     * @tc.author: bihu
      */
     it('testIsMap002', 0, function() {
         var proc = new util.types();
@@ -6090,7 +5656,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMap003
      * @tc.desc: Check whether the entered value is of map type.
-     * @tc.author: bihu
      */
     it('testIsMap003', 0, function() {
         var proc = new util.types();
@@ -6101,7 +5666,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMap004
      * @tc.desc: Check whether the entered value is of map type.
-     * @tc.author: bihu
      */
     it('testIsMap004', 0, function() {
         var proc = new util.types();
@@ -6112,7 +5676,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMap005
      * @tc.desc: Check whether the entered value is of map type.
-     * @tc.author: bihu
      */
     it('testIsMap005', 0, function() {
         var proc = new util.types();
@@ -6123,7 +5686,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMapIterator001
      * @tc.desc: Check whether the entered value is the iterator type of map.
-     * @tc.author: bihu
      */
     it('testIsMapIterator001', 0, function() {
         var proc = new util.types();
@@ -6135,7 +5697,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMapIterator002
      * @tc.desc: Check whether the entered value is the iterator type of map.
-     * @tc.author: bihu
      */
     it('testIsMapIterator002', 0, function() {
         var proc = new util.types();
@@ -6147,7 +5708,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMapIterator003
      * @tc.desc: Check whether the entered value is the iterator type of map.
-     * @tc.author: bihu
      */
     it('testIsMapIterator003', 0, function() {
         var proc = new util.types();
@@ -6159,7 +5719,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMapIterator004
      * @tc.desc: Check whether the entered value is the iterator type of map.
-     * @tc.author: bihu
      */
     it('testIsMapIterator004', 0, function() {
         var proc = new util.types();
@@ -6171,7 +5730,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsMapIterator005
      * @tc.desc: Check whether the entered value is the iterator type of map.
-     * @tc.author: bihu
      */
     it('testIsMapIterator005', 0, function() {
         var proc = new util.types();
@@ -6184,7 +5742,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsModuleNamespaceObject002
      * @tc.desc: Check whether the entered value is the module namespace object object type.
-     * @tc.author: bihu
      */
     it('testIsModuleNamespaceObject002', 0, function() {
         var proc = new util.types();
@@ -6195,7 +5752,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsModuleNamespaceObject003
      * @tc.desc: Check whether the entered value is the module namespace object object type.
-     * @tc.author: bihu
      */
     it('testIsModuleNamespaceObject003', 0, function() {
         var proc = new util.types();
@@ -6206,7 +5762,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsModuleNamespaceObject004
      * @tc.desc: Check whether the entered value is the module namespace object object type.
-     * @tc.author: bihu
      */
     it('testIsModuleNamespaceObject004', 0, function() {
         var proc = new util.types();
@@ -6217,7 +5772,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsModuleNamespaceObject005
      * @tc.desc: Check whether the entered value is the module namespace object object type.
-     * @tc.author: bihu
      */
     it('testIsModuleNamespaceObject005', 0, function() {
         var proc = new util.types();
@@ -6228,7 +5782,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNativeError001
      * @tc.desc: Check whether the value entered is of type error.
-     * @tc.author: bihu
      */
     it('testIsNativeError001', 0, function() {
         var proc = new util.types();
@@ -6239,7 +5792,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNativeError002
      * @tc.desc: Check whether the value entered is of type error.
-     * @tc.author: bihu
      */
     it('testIsNativeError002', 0, function() {
         var proc = new util.types();
@@ -6250,7 +5802,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNativeError003
      * @tc.desc: Check whether the value entered is of type error.
-     * @tc.author: bihu
      */
     it('testIsNativeError003', 0, function() {
         var proc = new util.types();
@@ -6261,7 +5812,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNativeError004
      * @tc.desc: Check whether the value entered is of type error.
-     * @tc.author: bihu
      */
     it('testIsNativeError004', 0, function() {
         var proc = new util.types();
@@ -6272,7 +5822,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNativeError005
      * @tc.desc: Check whether the value entered is of type error.
-     * @tc.author: bihu
      */
     it('testIsNativeError005', 0, function() {
         var proc = new util.types();
@@ -6283,7 +5832,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNumberObject001
      * @tc.desc: Check whether the entered value is of the number object type.
-     * @tc.author: bihu
      */
     it('testIsNumberObject001', 0, function() {
         var proc = new util.types();
@@ -6294,7 +5842,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNumberObject002
      * @tc.desc: Check whether the entered value is of the number object type.
-     * @tc.author: bihu
      */
     it('testIsNumberObject002', 0, function() {
         var proc = new util.types();
@@ -6305,7 +5852,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNumberObject003
      * @tc.desc: Check whether the entered value is of the number object type.
-     * @tc.author: bihu
      */
     it('testIsNumberObject003', 0, function() {
         var proc = new util.types();
@@ -6316,7 +5862,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNumberObject004
      * @tc.desc: Check whether the entered value is of the number object type.
-     * @tc.author: bihu
      */
     it('testIsNumberObject004', 0, function() {
         var proc = new util.types();
@@ -6327,7 +5872,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsNumberObject005
      * @tc.desc: Check whether the entered value is of the number object type.
-     * @tc.author: bihu
      */
     it('testIsNumberObject005', 0, function() {
         var proc = new util.types();
@@ -6338,7 +5882,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsPromise001
      * @tc.desc: Check whether the entered value is of promise type.
-     * @tc.author: bihu
      */
     it('testIsPromise001', 0, function() {
         var proc = new util.types();
@@ -6349,7 +5892,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsPromise002
      * @tc.desc: Check whether the entered value is of promise type.
-     * @tc.author: bihu
      */
     it('testIsPromise002', 0, function() {
         var proc = new util.types();
@@ -6360,7 +5902,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsPromise003
      * @tc.desc: Check whether the entered value is of promise type.
-     * @tc.author: bihu
      */
     it('testIsPromise003', 0, function() {
         var proc = new util.types();
@@ -6371,7 +5912,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsPromise004
      * @tc.desc: Check whether the entered value is of promise type.
-     * @tc.author: bihu
      */
     it('testIsPromise004', 0, function() {
         var proc = new util.types();
@@ -6383,7 +5923,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsPromise005
      * @tc.desc: Check whether the entered value is of promise type.
-     * @tc.author: bihu
      */
     it('testIsPromise005', 0, function() {
         var proc = new util.types();
@@ -6395,7 +5934,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsProxy001
      * @tc.desc: Check whether the value entered is of proxy type.
-     * @tc.author: bihu
      */
     it('testIsProxy001', 0, function() {
         var proc = new util.types();
@@ -6408,7 +5946,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsProxy002
      * @tc.desc: Check whether the value entered is of proxy type.
-     * @tc.author: bihu
      */
     it('testIsProxy002', 0, function() {
         var proc = new util.types();
@@ -6421,7 +5958,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsProxy003
      * @tc.desc: Check whether the value entered is of proxy type.
-     * @tc.author: bihu
      */
     it('testIsProxy003', 0, function() {
         var proc = new util.types();
@@ -6438,7 +5974,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsProxy004
      * @tc.desc: Check whether the value entered is of proxy type.
-     * @tc.author: bihu
      */
     it('testIsProxy004', 0, function() {
         var proc = new util.types();
@@ -6455,7 +5990,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsProxy005
      * @tc.desc: Check whether the value entered is of proxy type.
-     * @tc.author: bihu
      */
     it('testIsProxy005', 0, function() {
         var proc = new util.types();
@@ -6472,7 +6006,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsRegExp001
      * @tc.desc: Check whether the entered value is of type regexp.
-     * @tc.author: bihu
      */
     it('testIsRegExp001', 0, function() {
         var proc = new util.types();
@@ -6483,7 +6016,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsRegExp002
      * @tc.desc: Check whether the entered value is of type regexp.
-     * @tc.author: bihu
      */
     it('testIsRegExp002', 0, function() {
         var proc = new util.types();
@@ -6494,7 +6026,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsRegExp003
      * @tc.desc: Check whether the entered value is of type regexp.
-     * @tc.author: bihu
      */
     it('testIsRegExp003', 0, function() {
         var proc = new util.types();
@@ -6505,7 +6036,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsRegExp004
      * @tc.desc: Check whether the entered value is of type regexp.
-     * @tc.author: bihu
      */
     it('testIsRegExp004', 0, function() {
         var proc = new util.types();
@@ -6516,7 +6046,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsRegExp005
      * @tc.desc: Check whether the entered value is of type regexp.
-     * @tc.author: bihu
      */
     it('testIsRegExp005', 0, function() {
         var proc = new util.types();
@@ -6527,7 +6056,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSet001
      * @tc.desc: Check whether the entered value is of type set.
-     * @tc.author: bihu
      */
     it('testIsSet001', 0, function() {
         var proc = new util.types();
@@ -6538,7 +6066,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSet002
      * @tc.desc: Check whether the entered value is of type set.
-     * @tc.author: bihu
      */
     it('testIsSet002', 0, function() {
         var proc = new util.types();
@@ -6549,7 +6076,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSet003
      * @tc.desc: Check whether the entered value is of type set.
-     * @tc.author: bihu
      */
     it('testIsSet003', 0, function() {
         var proc = new util.types();
@@ -6560,7 +6086,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSet004
      * @tc.desc: Check whether the entered value is of type set.
-     * @tc.author: bihu
      */
     it('testIsSet004', 0, function() {
         var proc = new util.types();
@@ -6571,7 +6096,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSet005
      * @tc.desc: Check whether the entered value is of type set.
-     * @tc.author: bihu
      */
     it('testIsSet005', 0, function() {
         var proc = new util.types();
@@ -6582,7 +6106,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSetIterator001
      * @tc.desc: Check whether the entered value is the iterator type of set.
-     * @tc.author: bihu
      */
     it('testIsSetIterator001', 0, function() {
         var proc = new util.types();
@@ -6594,7 +6117,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSetIterator002
      * @tc.desc: Check whether the entered value is the iterator type of set.
-     * @tc.author: bihu
      */
     it('testIsSetIterator002', 0, function() {
         var proc = new util.types();
@@ -6606,7 +6128,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSetIterator003
      * @tc.desc: Check whether the entered value is the iterator type of set.
-     * @tc.author: bihu
      */
     it('testIsSetIterator003', 0, function() {
         var proc = new util.types();
@@ -6618,7 +6139,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSetIterator004
      * @tc.desc: Check whether the entered value is the iterator type of set.
-     * @tc.author: bihu
      */
     it('testIsSetIterator004', 0, function() {
         var proc = new util.types();
@@ -6630,7 +6150,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSetIterator005
      * @tc.desc: Check whether the entered value is the iterator type of set.
-     * @tc.author: bihu
      */
     it('testIsSetIterator005', 0, function() {
         var proc = new util.types();
@@ -6642,7 +6161,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSharedArrayBuffer001
      * @tc.desc: Check whether the entered value is of type sharedarraybuffer.
-     * @tc.author: bihu
      */
     it('testIsSharedArrayBuffer001', 0, function() {
         var proc = new util.types();
@@ -6653,7 +6171,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSharedArrayBuffer002
      * @tc.desc: Check whether the entered value is of type sharedarraybuffer.
-     * @tc.author: bihu
      */
     it('testIsSharedArrayBuffer002', 0, function() {
         var proc = new util.types();
@@ -6664,7 +6181,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSharedArrayBuffer003
      * @tc.desc: Check whether the entered value is of type sharedarraybuffer.
-     * @tc.author: bihu
      */
     it('testIsSharedArrayBuffer003', 0, function() {
         var proc = new util.types();
@@ -6675,7 +6191,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSharedArrayBuffer004
      * @tc.desc: Check whether the entered value is of type sharedarraybuffer.
-     * @tc.author: bihu
      */
     it('testIsSharedArrayBuffer004', 0, function() {
         var proc = new util.types();
@@ -6686,7 +6201,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSharedArrayBuffer005
      * @tc.desc: Check whether the entered value is of type sharedarraybuffer.
-     * @tc.author: bihu
      */
     it('testIsSharedArrayBuffer005', 0, function() {
         var proc = new util.types();
@@ -6697,7 +6211,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsStringObject001
      * @tc.desc: Check whether the entered value is a string object type.
-     * @tc.author: bihu
      */
     it('testIsStringObject001', 0, function() {
         var proc = new util.types();
@@ -6708,7 +6221,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsStringObject002
      * @tc.desc: Check whether the entered value is a string object type.
-     * @tc.author: bihu
      */
     it('testIsStringObject002', 0, function() {
         var proc = new util.types();
@@ -6719,7 +6231,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsStringObject003
      * @tc.desc: Check whether the entered value is a string object type.
-     * @tc.author: bihu
      */
     it('testIsStringObject003', 0, function() {
         var proc = new util.types();
@@ -6730,7 +6241,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsStringObject004
      * @tc.desc: Check whether the entered value is a string object type.
-     * @tc.author: bihu
      */
     it('testIsStringObject004', 0, function() {
         var proc = new util.types();
@@ -6741,7 +6251,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsStringObject005
      * @tc.desc: Check whether the entered value is a string object type.
-     * @tc.author: bihu
      */
     it('testIsStringObject005', 0, function() {
         var proc = new util.types();
@@ -6752,7 +6261,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSymbolObject001
      * @tc.desc: Check whether the entered value is a symbol object type.
-     * @tc.author: bihu
      */
     it('testIsSymbolObject001', 0, function() {
         var proc = new util.types();
@@ -6764,7 +6272,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSymbolObject002
      * @tc.desc: Check whether the entered value is a symbol object type.
-     * @tc.author: bihu
      */
     it('testIsSymbolObject002', 0, function() {
         var proc = new util.types();
@@ -6776,7 +6283,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSymbolObject003
      * @tc.desc: Check whether the entered value is a symbol object type.
-     * @tc.author: bihu
      */
     it('testIsSymbolObject003', 0, function() {
         var proc = new util.types();
@@ -6788,7 +6294,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSymbolObject004
      * @tc.desc: Check whether the entered value is a symbol object type.
-     * @tc.author: bihu
      */
     it('testIsSymbolObject004', 0, function() {
         var proc = new util.types();
@@ -6800,7 +6305,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsSymbolObject005
      * @tc.desc: Check whether the entered value is a symbol object type.
-     * @tc.author: bihu
      */
     it('testIsSymbolObject005', 0, function() {
         var proc = new util.types();
@@ -6812,7 +6316,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsTypedArray001
      * @tc.desc: Check whether the entered value is a type contained in typedarray.
-     * @tc.author: bihu
      */
     it('testIsTypedArray001', 0, function() {
         var proc = new util.types();
@@ -6823,7 +6326,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsTypedArray002
      * @tc.desc: Check whether the entered value is a type contained in typedarray.
-     * @tc.author: bihu
      */
     it('testIsTypedArray002', 0, function() {
         var proc = new util.types();
@@ -6834,7 +6336,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsTypedArray003
      * @tc.desc: Check whether the entered value is a type contained in typedarray.
-     * @tc.author: bihu
      */
     it('testIsTypedArray003', 0, function() {
         var proc = new util.types();
@@ -6845,7 +6346,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsTypedArray004
      * @tc.desc: Check whether the entered value is a type contained in typedarray.
-     * @tc.author: bihu
      */
     it('testIsTypedArray004', 0, function() {
         var proc = new util.types();
@@ -6856,7 +6356,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsTypedArray005
      * @tc.desc: Check whether the entered value is a type contained in typedarray.
-     * @tc.author: bihu
      */
     it('testIsTypedArray005', 0, function() {
         var proc = new util.types();
@@ -6867,7 +6366,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8Array001
      * @tc.desc: Check whether the entered value is the uint8array array type.
-     * @tc.author: bihu
      */
     it('testIsUint8Array001', 0, function() {
         var proc = new util.types();
@@ -6878,7 +6376,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8Array002
      * @tc.desc: Check whether the entered value is the uint8array array type.
-     * @tc.author: bihu
      */
     it('testIsUint8Array002', 0, function() {
         var proc = new util.types();
@@ -6889,7 +6386,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8Array003
      * @tc.desc: Check whether the entered value is the uint8array array type.
-     * @tc.author: bihu
      */
     it('testIsUint8Array003', 0, function() {
         var proc = new util.types();
@@ -6900,7 +6396,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8Array004
      * @tc.desc: Check whether the entered value is the uint8array array type.
-     * @tc.author: bihu
      */
     it('testIsUint8Array004', 0, function() {
         var proc = new util.types();
@@ -6911,7 +6406,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8Array005
      * @tc.desc: Check whether the entered value is the uint8array array type.
-     * @tc.author: bihu
      */
     it('testIsUint8Array005', 0, function() {
         var proc = new util.types();
@@ -6922,7 +6416,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8ClampedArray001
      * @tc.desc: Check whether the entered value is the uint8clapedarray array type.
-     * @tc.author: bihu
      */
     it('testIsUint8ClampedArray001', 0, function() {
         var proc = new util.types();
@@ -6933,7 +6426,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8ClampedArray002
      * @tc.desc: Check whether the entered value is the uint8clapedarray array type.
-     * @tc.author: bihu
      */
     it('testIsUint8ClampedArray002', 0, function() {
         var proc = new util.types();
@@ -6944,7 +6436,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8ClampedArray003
      * @tc.desc: Check whether the entered value is the uint8clapedarray array type.
-     * @tc.author: bihu
      */
     it('testIsUint8ClampedArray003', 0, function() {
         var proc = new util.types();
@@ -6955,7 +6446,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8ClampedArray004
      * @tc.desc: Check whether the entered value is the uint8clapedarray array type.
-     * @tc.author: bihu
      */
     it('testIsUint8ClampedArray004', 0, function() {
         var proc = new util.types();
@@ -6966,7 +6456,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint8ClampedArray005
      * @tc.desc: Check whether the entered value is the uint8clapedarray array type.
-     * @tc.author: bihu
      */
     it('testIsUint8ClampedArray005', 0, function() {
         var proc = new util.types();
@@ -6977,7 +6466,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint16Array001
      * @tc.desc: Check whether the entered value is the uint16array array array type.
-     * @tc.author: bihu
      */
     it('testIsUint16Array001', 0, function() {
         var proc = new util.types();
@@ -6988,7 +6476,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint16Array002
      * @tc.desc: Check whether the entered value is the uint16array array array type.
-     * @tc.author: bihu
      */
     it('testIsUint16Array002', 0, function() {
         var proc = new util.types();
@@ -6999,7 +6486,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint16Array003
      * @tc.desc: Check whether the entered value is the uint16array array array type.
-     * @tc.author: bihu
      */
     it('testIsUint16Array003', 0, function() {
         var proc = new util.types();
@@ -7010,7 +6496,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint16Array004
      * @tc.desc: Check whether the entered value is the uint16array array array type.
-     * @tc.author: bihu
      */
     it('testIsUint16Array004', 0, function() {
         var proc = new util.types();
@@ -7021,7 +6506,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint16Array005
      * @tc.desc: Check whether the entered value is the uint16array array array type.
-     * @tc.author: bihu
      */
     it('testIsUint16Array005', 0, function() {
         var proc = new util.types();
@@ -7032,7 +6516,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint32Array001
      * @tc.desc: Check whether the entered value is the uint32array array type.
-     * @tc.author: bihu
      */
     it('testIsUint32Array001', 0, function() {
         var proc = new util.types();
@@ -7043,7 +6526,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint32Array002
      * @tc.desc: Check whether the entered value is the uint32array array type.
-     * @tc.author: bihu
      */
     it('testIsUint32Array002', 0, function() {
         var proc = new util.types();
@@ -7054,7 +6536,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint32Array003
      * @tc.desc: Check whether the entered value is the uint32array array type.
-     * @tc.author: bihu
      */
     it('testIsUint32Array003', 0, function() {
         var proc = new util.types();
@@ -7065,7 +6546,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint32Array004
      * @tc.desc: Check whether the entered value is the uint32array array type.
-     * @tc.author: bihu
      */
     it('testIsUint32Array004', 0, function() {
         var proc = new util.types();
@@ -7076,7 +6556,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsUint32Array005
      * @tc.desc: Check whether the entered value is the uint32array array type.
-     * @tc.author: bihu
      */
     it('testIsUint32Array005', 0, function() {
         var proc = new util.types();
@@ -7087,7 +6566,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakMap001
      * @tc.desc: Check whether the entered value is of type weakmap.
-     * @tc.author: bihu
      */
     it('testIsWeakMap001', 0, function() {
         var proc = new util.types();
@@ -7098,7 +6576,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakMap002
      * @tc.desc: Check whether the entered value is of type weakmap.
-     * @tc.author: bihu
      */
     it('testIsWeakMap002', 0, function() {
         var proc = new util.types();
@@ -7109,7 +6586,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakMap003
      * @tc.desc: Check whether the entered value is of type weakmap.
-     * @tc.author: bihu
      */
     it('testIsWeakMap003', 0, function() {
         var proc = new util.types();
@@ -7120,7 +6596,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakMap004
      * @tc.desc: Check whether the entered value is of type weakmap.
-     * @tc.author: bihu
      */
     it('testIsWeakMap004', 0, function() {
         var proc = new util.types();
@@ -7131,7 +6606,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakMap005
      * @tc.desc: Check whether the entered value is of type weakmap.
-     * @tc.author: bihu
      */
     it('testIsWeakMap005', 0, function() {
         var proc = new util.types();
@@ -7142,7 +6616,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakSet001
      * @tc.desc: Check whether the entered value is of type weakset.
-     * @tc.author: bihu
      */
     it('testIsWeakSet001', 0, function() {
         var proc = new util.types();
@@ -7153,7 +6626,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakSet002
      * @tc.desc: Check whether the entered value is of type weakset.
-     * @tc.author: bihu
      */
     it('testIsWeakSet002', 0, function() {
         var proc = new util.types();
@@ -7164,7 +6636,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakSet003
      * @tc.desc: Check whether the entered value is of type weakset.
-     * @tc.author: bihu
      */
     it('testIsWeakSet003', 0, function() {
         var proc = new util.types();
@@ -7175,7 +6646,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakSet004
      * @tc.desc: Check whether the entered value is of type weakset.
-     * @tc.author: bihu
      */
     it('testIsWeakSet004', 0, function() {
         var proc = new util.types();
@@ -7186,7 +6656,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testIsWeakSet005
      * @tc.desc: Check whether the entered value is of type weakset.
-     * @tc.author: bihu
      */
     it('testIsWeakSet005', 0, function() {
         var proc = new util.types();
@@ -7197,7 +6666,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilRandomUUID001
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilRandomUUID001', 0, async function () {
         var result = util.randomUUID(true);
@@ -7207,7 +6675,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilRandomUUID002
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilRandomUUID002', 0, async function () {
         var result = util.randomUUID(false);
@@ -7217,7 +6684,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilRandomBinaryUUID001
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilRandomBinaryUUID001', 0, async function () {
         var result = util.randomBinaryUUID(true);
@@ -7227,7 +6693,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilRandomBinaryUUID002
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilRandomBinaryUUID002', 0, async function () {
         var result = util.randomBinaryUUID(false);
@@ -7237,7 +6702,6 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilParseUUID001
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilParseUUID001', 0, async function () {
         var result = util.parseUUID('84bdf796-66cc-4655-9b89-d6218d100f9c');
@@ -7247,26 +6711,3863 @@ describe('TypesTest', function() {
     /**
      * @tc.name: testUtilParseUUID002
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilParseUUID002', 0, async function () {
         try {
             var result = util.parseUUID('84df796-66cc-4655-9b89-d6218d100f9c');
         } catch(e) {
-            expect(e.message).assertEqual('this uuid parsing failed');
+            expect(e.message).assertEqual('Syntax Error.Invalid 84df796-66cc-4655-9b89-d6218d100f9c string');
         }
     })
 
     /**
      * @tc.name: testUtilParseUUID003
      * @tc.desc: Generate a random RFC 4122 version 4 UUID.
-     * @tc.author: linhaoran
      */
     it('testUtilParseUUID003', 0, async function () {
         try {
             var result = util.parseUUID('84Wdf796-66cc-4655-9b89-d6218d100f9c');
         } catch(e) {
-            expect(e.message).assertEqual('this uuid parsing failed');
+            expect(e.message).assertEqual('Syntax Error.Invalid 84Wdf796-66cc-4655-9b89-d6218d100f9c string');
+        }
+    })
+})
+
+describe('ScopeHelperTest', function () {
+    /**
+     * @tc.name: test_getLower_001
+     * @tc.desc: Obtains the lower bound of the current range.
+     */
+    it('test_getLower_001', 0, function () {
+        var result = rangeHp.getLower()
+        expect(result.toString()).assertEqual('30')
+    })
+
+    /**
+     * @tc.name: test_getLower_002
+     * @tc.desc: Obtains the lower bound of the current range.
+     */
+    it('test_getLower_002', 0, function () {
+        var result = rangeHpFir.getLower()
+        expect(result.toString()).assertEqual('35')
+    })
+
+    /**
+     * @tc.name: test_getLower_003
+     * @tc.desc: Obtains the lower bound of the current range.
+     */
+    it('test_getLower_003', 0, function () {
+        var result = rangeHpSec.getLower()
+        expect(result.toString()).assertEqual('20')
+    })
+
+    /**
+     * @tc.name: test_getLower_004
+     * @tc.desc: Obtains the lower bound of the current range.
+     */
+    it('test_getLower_004', 0, function () {
+        var result = rangeHpThi.getLower()
+        expect(result.toString()).assertEqual('20')
+    })
+
+    /**
+     * @tc.name: test_getLower_005
+     * @tc.desc: Obtains the lower bound of the current range.
+     */
+    it('test_getLower_005', 0, function () {
+        var result = rangeHpFif.getLower()
+        expect(result.toString()).assertEqual('35')
+    })
+
+    /**
+     * @tc.name: test_getUpper_001
+     * @tc.desc: Obtains the upper bound of the current range.
+     */
+    it('test_getUpper_001', 0, function () {
+        var result = rangeHp.getUpper()
+        expect(result.toString()).assertEqual('40')
+    })
+
+    /**
+     * @tc.name: test_getUpper_002
+     * @tc.desc: Obtains the upper bound of the current range.
+     */
+    it('test_getUpper_002', 0, function () {
+        var result = rangeHpFir.getUpper()
+        expect(result.toString()).assertEqual('39')
+    })
+
+    /**
+     * @tc.name: test_getUpper_003
+     * @tc.desc: Obtains the upper bound of the current range.
+     */
+    it('test_getUpper_003', 0, function () {
+        var result = rangeHpSec.getUpper()
+        expect(result.toString()).assertEqual('45')
+    })
+
+    /**
+     * @tc.name: test_getUpper_004
+     * @tc.desc: Obtains the upper bound of the current range.
+     */
+    it('test_getUpper_004', 0, function () {
+        var result = rangeHpThi.getUpper()
+        expect(result.toString()).assertEqual('35')
+    })
+
+    /**
+     * @tc.name: test_getUpper_005
+     * @tc.desc: Obtains the upper bound of the current range.
+     */
+    it('test_getUpper_005', 0, function () {
+        var result = rangeHpFif.getUpper()
+        expect(result.toString()).assertEqual('45')
+    })
+
+    /**
+     * @tc.name: test_clamp_001
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_001', 0, function () {
+        var result = rangeHp.clamp(tempLess)
+        expect(result.toString()).assertEqual('30')
+    })
+
+    /**
+     * @tc.name: test_clamp_002
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_002', 0, function () {
+        var result = rangeHp.clamp(tempMiDF)
+        expect(result.toString()).assertEqual('35')
+    })
+
+    /**
+     * @tc.name: test_clamp_003
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_003', 0, function () {
+        var result = rangeHp.clamp(tempMore)
+        expect(result.toString()).assertEqual('40')
+    })
+
+    /**
+     * @tc.name: test_clamp_004
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_004', 0, function () {
+        var result = rangeHp.clamp(tempLower)
+        expect(result.toString()).assertEqual('30')
+    })
+
+    /**
+     * @tc.name: test_clamp_005
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_005', 0, function () {
+        var result = rangeHp.clamp(tempUpper)
+        expect(result.toString()).assertEqual('40')
+    })
+
+    /**
+     * @tc.name: test_contains_001
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_001', 0, function () {
+        var result = rangeHp.contains(tempLess)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: test_contains_002
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_002', 0, function () {
+        var result = rangeHp.contains(tempMiDF)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: test_contains_003
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_003', 0, function () {
+        var result = rangeHp.contains(tempMore)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: test_contains_004
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_004', 0, function () {
+        var result = rangeHp.contains(tempLower)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: test_contains_005
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_005', 0, function () {
+        var result = rangeHp.contains(tempUpper)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: test_contains_006
+     * @tc.desc: Checks whether a given range is within the current range.
+     */
+    it('test_contains_006', 0, function () {
+        var result = rangeHp.contains(rangeHpFir)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: test_contains_007
+     * @tc.desc: Checks whether a given range is within the current range.
+     */
+    it('test_contains_007', 0, function () {
+        var result = rangeHp.contains(rangeHpSec)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: test_contains_008
+     * @tc.desc: Checks whether a given range is within the current range.
+     */
+    it('test_contains_008', 0, function () {
+        var result = rangeHp.contains(rangeHpThi)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: test_contains_009
+     * @tc.desc: Checks whether a given range is within the current range.
+     */
+    it('test_contains_009', 0, function () {
+        var result = rangeHp.contains(rangeHpFif)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: test_contains_010
+     * @tc.desc: Checks whether a given range is within the current range.
+     */
+    it('test_contains_010', 0, function () {
+        var result = rangeHp.contains(rangeHp)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: test_expand_001
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_001', 0, function () {
+        var result = rangeHp.expand(tempMiDF, tempMidS)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_002
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_002', 0, function () {
+        var result = rangeHp.expand(tempLess, tempMore)
+        expect(result.toString()).assertEqual('[20, 45]')
+    })
+
+    /**
+     * @tc.name: test_expand_003
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_003', 0, function () {
+        var result = rangeHp.expand(tempLess, tempMiDF)
+        expect(result.toString()).assertEqual('[20, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_004
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_004', 0, function () {
+        var result = rangeHp.expand(tempMiDF, tempMore)
+        expect(result.toString()).assertEqual('[30, 45]')
+    })
+
+    /**
+     * @tc.name: test_expand_005
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_005', 0, function () {
+        var result = rangeHp.expand(tempLower, tempUpper)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_006
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_006', 0, function () {
+        var result = rangeHp.expand(rangeHpFir)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_007
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_007', 0, function () {
+        var result = rangeHp.expand(rangeHpSec)
+        expect(result.toString()).assertEqual('[20, 45]')
+    })
+
+    /**
+     * @tc.name: test_expand_008
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_008', 0, function () {
+        var result = rangeHp.expand(rangeHpThi)
+        expect(result.toString()).assertEqual('[20, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_009
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_009', 0, function () {
+        var result = rangeHp.expand(rangeHpFif)
+        expect(result.toString()).assertEqual('[30, 45]')
+    })
+
+    /**
+     * @tc.name: test_expand_010
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_010', 0, function () {
+        var result = rangeHp.expand(rangeHp)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_011
+     * @tc.desc: Creates the smallest range that includes the current range and a given value.
+     */
+    it('test_expand_011', 0, function () {
+        var result = rangeHp.expand(tempMiDF)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_012
+     * @tc.desc: Creates the smallest range that includes the current range and a given value.
+     */
+    it('test_expand_012', 0, function () {
+        var result = rangeHp.expand(tempLess)
+        expect(result.toString()).assertEqual('[20, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_013
+     * @tc.desc: Creates the smallest range that includes the current range and a given value.
+     */
+    it('test_expand_013', 0, function () {
+        var result = rangeHp.expand(tempMore)
+        expect(result.toString()).assertEqual('[30, 45]')
+    })
+
+    /**
+     * @tc.name: test_expand_014
+     * @tc.desc: Creates the smallest range that includes the current range and a given value.
+     */
+    it('test_expand_014', 0, function () {
+        var result = rangeHp.expand(tempLower)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_expand_015
+     * @tc.desc: Creates the smallest range that includes the current range and a given value.
+     */
+    it('test_expand_015', 0, function () {
+        var result = rangeHp.expand(tempUpper)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_001
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_001', 0, function () {
+        var result = rangeHp.intersect(rangeHpFir)
+        expect(result.toString()).assertEqual('[35, 39]')
+    })
+
+    /**
+     * @tc.name: test_intersect_002
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_002', 0, function () {
+        var result = rangeHp.intersect(rangeHpSec)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_003
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_003', 0, function () {
+        var result = rangeHp.intersect(rangeHpThi)
+        expect(result.toString()).assertEqual('[30, 35]')
+    })
+
+    /**
+     * @tc.name: test_intersect_004
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_004', 0, function () {
+        var result = rangeHp.intersect(rangeHpFif)
+        expect(result.toString()).assertEqual('[35, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_005
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_005', 0, function () {
+        var result = rangeHp.intersect(rangeHp)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_006
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_006', 0, function () {
+        var result = rangeHp.intersect(tempMiDF, tempMidS)
+        expect(result.toString()).assertEqual('[35, 39]')
+    })
+
+    /**
+     * @tc.name: test_intersect_007
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_007', 0, function () {
+        var result = rangeHp.intersect(tempLess, tempMore)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_008
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_008', 0, function () {
+        var result = rangeHp.intersect(tempLess, tempMiDF)
+        expect(result.toString()).assertEqual('[30, 35]')
+    })
+
+    /**
+     * @tc.name: test_intersect_009
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_009', 0, function () {
+        var result = rangeHp.intersect(tempMiDF, tempMore)
+        expect(result.toString()).assertEqual('[35, 40]')
+    })
+
+    /**
+     * @tc.name: test_intersect_010
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_010', 0, function () {
+        var result = rangeHp.intersect(tempLower, tempUpper)
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_toString_001
+     * @tc.desc: Obtains a string representation of the current range.
+     */
+    it('test_toString_001', 0, function () {
+        var result = rangeHp.toString()
+        expect(result.toString()).assertEqual('[30, 40]')
+    })
+
+    /**
+     * @tc.name: test_toString_002
+     * @tc.desc: Obtains a string representation of the current range.
+     */
+    it('test_toString_002', 0, function () {
+        var result = rangeHpFir.toString()
+        expect(result.toString()).assertEqual('[35, 39]')
+    })
+
+    /**
+     * @tc.name: test_toString_003
+     * @tc.desc: Obtains a string representation of the current range.
+     */
+    it('test_toString_003', 0, function () {
+        var result = rangeHpSec.toString()
+        expect(result.toString()).assertEqual('[20, 45]')
+    })
+
+    /**
+     * @tc.name: test_toString_004
+     * @tc.desc: Obtains a string representation of the current range.
+     */
+    it('test_toString_004', 0, function () {
+        var result = rangeHpThi.toString()
+        expect(result.toString()).assertEqual('[20, 35]')
+    })
+
+    /**
+     * @tc.name: test_toString_005
+     * @tc.desc: Obtains a string representation of the current range.
+     */
+    it('test_toString_005', 0, function () {
+        var result = rangeHpFif.toString()
+        expect(result.toString()).assertEqual('[35, 45]')
+    })
+
+    /**
+     * @tc.name: test_constructor_throwError_001
+     * @tc.desc: A constructor used to create a Scope instance with the lower and upper bounds specified.
+     */
+    it('test_constructor_throwError_001', 0, function () {
+        try {
+            var range = new util.ScopeHelper(1, 2);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 1 must be object");
+        }
+    })
+
+    /**
+     * @tc.name: test_intersect_throwError_001
+     * @tc.desc: Returns the intersection of a given range and the current range.
+     */
+    it('test_intersect_throwError_001', 0, function () {
+        try {
+            var result = rangeHp.intersect("str")
+            expect(result.toString()).assertEqual('[35, 39]')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be ScopeHelper or ScopeType");
+        }
+    })
+
+    /**
+     * @tc.name: test_intersect_throwError_002
+     * @tc.desc: Returns the intersection of the current range and the range specified by
+       the given lower and upper bounds.
+     */
+    it('test_intersect_throwError_002', 0, function () {
+        try {
+            var result = rangeHp.intersect(tempMiDF, 123)
+            expect(result.toString()).assertEqual('[35, 39]')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be ScopeType");
+        }
+    })
+
+    /**
+     * @tc.name: test_expand_throwError_001
+     * @tc.desc: Creates the smallest range that includes the current range and the given lower and upper bounds.
+     */
+    it('test_expand_throwError_001', 0, function () {
+        try {
+            var result = rangeHp.expand(tempMiDF, "123")
+            expect(result.toString()).assertEqual('[30, 40]')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be ScopeType");
+        }
+    })
+
+    /**
+     * @tc.name: test_expand_throwError_002
+     * @tc.desc: Creates the smallest range that includes the current range and a given range.
+     */
+    it('test_expand_throwError_002', 0, function () {
+        try {
+            var result = rangeHp.expand(123)
+            expect(result.toString()).assertEqual('[30, 40]')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be ScopeHelper or ScopeType");
+        }
+    })
+
+    /**
+     * @tc.name: test_contains_throwError_001
+     * @tc.desc: Checks whether a given value is within the current range.
+     */
+    it('test_contains_throwError_001', 0, function () {
+        try {
+            var result = rangeHp.contains("str")
+            expect(result).assertEqual(true)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be object or ScopeHelper");
+        }
+    })
+
+    /**
+     * @tc.name: test_clamp_throwError_001
+     * @tc.desc: Clamps a given value to the current range.
+     */
+    it('test_clamp_throwError_001', 0, function () {
+        try {
+             var result = rangeHp.clamp(123)
+             expect(result.toString()).assertEqual('30')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be object");
+        }
+    })
+})
+
+describe('LRUCacheTest', function () {
+    /**
+     * @tc.name: testLRUCacheUpdateGetCapacity001
+     * @tc.desc: Updates the buffer capacity to a specified capacity.
+     */
+    it('testLRUCacheUpdateGetCapacity001', 0, function () {
+        var that = new util.LRUCache()
+        that.updateCapacity(10)
+        var result = that.getCapacity()
+        expect(result).assertEqual(10)
+    })
+
+    /**
+     * @tc.name: testLRUCacheUpdateGetCapacity002
+     * @tc.desc: Updates the buffer capacity to a specified capacity.
+     */
+    it('testLRUCacheUpdateGetCapacity002', 0, function () {
+        var that = new util.LRUCache()
+        that.updateCapacity(2147483646)
+        var result = that.getCapacity()
+        expect(result).assertEqual(2147483646)
+    })
+
+    /**
+     * @tc.name: testLRUCacheUpdateGetCapacity003
+     * @tc.desc: Updates the buffer capacity to a specified capacity.
+     */
+    it('testLRUCacheUpdateGetCapacity003', 0, function () {
+        var that = new util.LRUCache(100)
+        that.updateCapacity(20)
+        var result = that.getCapacity()
+        expect(result).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheUpdateGetCapacity004
+     * @tc.desc: Updates the buffer capacity to a specified capacity.
+     */
+    it('testLRUCacheUpdateGetCapacity004', 0, function () {
+        var that = new util.LRUCache(50)
+        that.updateCapacity(2)
+        var result = that.getCapacity()
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheUpdateGetCapacity005
+     * @tc.desc: Updates the buffer capacity to a specified capacity.
+     */
+    it('testLRUCacheUpdateGetCapacity005', 0, function () {
+        var that = new util.LRUCache(200)
+        that.updateCapacity(100)
+        var result = that.getCapacity()
+        expect(result).assertEqual(100)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGet001
+     * @tc.desc: Obtains the value associated with a specified key.
+     */
+    it('testLRUCacheGet001', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        var result = that.get(1)
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGet002
+     * @tc.desc: Obtains the value associated with a specified key.
+     */
+    it('testLRUCacheGet002', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        var result = that.get(5)
+        expect(result).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGet003
+     * @tc.desc: Obtains the value associated with a specified key.
+     */
+    it('testLRUCacheGet003', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        var result1 = that.get(20)
+        var result2 = that.get('abcd')
+        var result3 = that.get(2)
+        expect(result1).assertEqual(undefined)
+        expect(result2).assertEqual(15)
+        expect(result3).assertEqual(10)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGet004
+     * @tc.desc: Obtains the value associated with a specified key.
+     */
+    it('testLRUCacheGet004', 0, function () {
+        var that = new util.LRUCache()
+        that.put('1111','bcjdshc')
+        that.put(20,'cdjcaxb')
+        that.put('abcd',15)
+        var result1 = that.get('1111')
+        var result2 = that.get(20)
+        var result3 = that.get('abcd')
+        var result4 = that.get(25)
+        expect(result1).assertEqual('bcjdshc')
+        expect(result2).assertEqual('cdjcaxb')
+        expect(result3).assertEqual(15)
+        expect(result4).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGet005
+     * @tc.desc: Obtains the value associated with a specified key.
+     */
+    it('testLRUCacheGet005', 0, function () {
+        var that = new util.LRUCache()
+        that.put('1111','bcjdshc')
+        that.put(20,'cdjcaxb')
+        that.updateCapacity(2)
+        that.put('abcd',15)
+        var result1 = that.get('1111')
+        var result2 = that.get(20)
+        var result3 = that.get('abcd')
+        var result4 = that.get(25)
+        expect(result1).assertEqual(undefined)
+        expect(result2).assertEqual('cdjcaxb')
+        expect(result3).assertEqual(15)
+        expect(result4).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCachePut001
+     * @tc.desc: Adds a key-value pair to the buffer.
+     */
+    it('testLRUCachePut001', 0, function () {
+        var that = new util.LRUCache()
+        var temp = that.put('1111','bcjdshc')
+        expect(temp).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCachePut002
+     * @tc.desc: Adds a key-value pair to the buffer.
+     */
+    it('testLRUCachePut002', 0, function () {
+        var that = new util.LRUCache()
+        var temp1 = that.put('1111','bcjdshc')
+        var temp2 = that.put('1111',13)
+        expect(temp2).assertEqual('bcjdshc')
+    })
+
+    /**
+     * @tc.name: testLRUCachePut003
+     * @tc.desc: Adds a key-value pair to the buffer.
+     */
+    it('testLRUCachePut003', 0, function () {
+        var that = new util.LRUCache()
+        var temp = that.put('1111','bcjdshc')
+        var temp1 = that.put(1,12)
+        var temp2 = that.put(2,5)
+        var temp3 = that.put(2,'adasfdad')
+        var temp4 = that.put('abc',10)
+        expect(temp1).assertEqual(undefined)
+        expect(temp2).assertEqual(undefined)
+        expect(temp3).assertEqual(5)
+        expect(temp4).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCachePut004
+     * @tc.desc: Adds a key-value pair to the buffer.
+     */
+    it('testLRUCachePut004', 0, function () {
+        var that = new util.LRUCache()
+        var temp = that.put('1111','bcjdshc')
+        var temp1 = that.put(1,12)
+        var temp2 = that.put(2,5)
+        that.updateCapacity(2)
+        var temp3 = that.put(2,'adasfdad')
+        var temp4 = that.put('1111',10)
+        expect(temp).assertEqual(undefined)
+        expect(temp1).assertEqual(undefined)
+        expect(temp2).assertEqual(undefined)
+        expect(temp3).assertEqual(5)
+        expect(temp4).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCachePut005
+     * @tc.desc: Adds a key-value pair to the buffer.
+     */
+    it('testLRUCachePut005', 0, function () {
+        var that = new util.LRUCache()
+        var temp = that.put('1111','bcjdshc')
+        var temp1 = that.put(1,12)
+        var temp2 = that.put(2,5)
+        var temp3 = that.put(1,10)
+        var temp4 = that.put(2,22)
+        var temp5 = that.put(2,30)
+        expect(temp).assertEqual(undefined)
+        expect(temp1).assertEqual(undefined)
+        expect(temp2).assertEqual(undefined)
+        expect(temp3).assertEqual(12)
+        expect(temp4).assertEqual(5)
+        expect(temp5).assertEqual(22)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCreateCount001
+     * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
+     */
+    it('testLRUCacheGetCreateCount001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(3)
+        that.get(5)
+        that.get(10)
+        var result = that.getCreateCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCreateCount002
+     * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
+     */
+    it('testLRUCacheGetCreateCount002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(6)
+        that.get(8)
+        that.get(20)
+        var result = that.getCreateCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCreateCount003
+     * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
+     */
+    it('testLRUCacheGetCreateCount003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.get('abc')
+        that.get('cndk')
+        var result = that.getCreateCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCreateCount004
+     * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
+     */
+    it('testLRUCacheGetCreateCount004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(5,2)
+        that.put(10,10)
+        that.put('abcd','abcd')
+        that.get(3)
+        that.get(20)
+        that.get(12)
+        var result = that.getCreateCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCreateCount005
+     * @tc.desc: Obtains the number of times createDefault(Object) returned a value.
+     */
+    it('testLRUCacheGetCreateCount005', 0, function () {
+        var that = new util.LRUCache()
+        that.put('xsjk','bcjds')
+        that.put('ajc',10)
+        that.put('abcd',15)
+        that.get(2)
+        that.get(10)
+        that.get(30)
+        var result = that.getCreateCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount001
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(3)
+        that.get(5)
+        that.get(10)
+        var result = that.getMissCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount002
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(5,2)
+        that.put(1,10)
+        that.put('abcd','bcjsc')
+        that.get(2)
+        that.get(10)
+        that.get(15)
+        var result = that.getMissCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount003
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(10,10)
+        that.put(3,20)
+        that.put(12,16)
+        that.get(1)
+        that.get(2)
+        that.get(6)
+        var result = that.getMissCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount004
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount004', 0, function () {
+        var that = new util.LRUCache()
+        that.put('acb','asdc')
+        that.put('vfb',1)
+        that.put('abcd','abcd')
+        that.get(3)
+        that.get(5)
+        that.get(10)
+        var result = that.getMissCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount005
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(3)
+        that.get(5)
+        that.get(10)
+        that.contains(2)
+        that.contains(6)
+        var result = that.getMissCount()
+        expect(result).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMissCount006
+     * @tc.desc: Obtains the number of times that the queried values are not matched.
+     */
+    it('testLRUCacheGetMissCount006', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(1)
+        that.get(2)
+        that.get('abcd')
+        var result = that.getMissCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetRemovalCount001
+     * @tc.desc: Obtains the number of times that values are evicted from the buffer.
+     */
+    it('testLRUCacheGetRemovalCount001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.put(3,20)
+        that.put(5,30)
+        var result = that.getRemovalCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetRemovalCount002
+     * @tc.desc: Obtains the number of times that values are evicted from the buffer.
+     */
+    it('testLRUCacheGetRemovalCount002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(10,2)
+        that.put(3,2)
+        that.put(15,15)
+        that.put(1,20)
+        var result = that.getRemovalCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetRemovalCount003
+     * @tc.desc: Obtains the number of times that values are evicted from the buffer.
+     */
+    it('testLRUCacheGetRemovalCount003', 0, function () {
+        var that = new util.LRUCache()
+        that.put('abc',2)
+        that.put('abcd','abcd')
+        that.put(3,2)
+        var result = that.getRemovalCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetRemovalCount004
+     * @tc.desc: Obtains the number of times that values are evicted from the buffer.
+     */
+    it('testLRUCacheGetRemovalCount004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.updateCapacity(2)
+        that.put(3,20)
+        that.put(5,30)
+        var result = that.getRemovalCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetRemovalCount005
+     * @tc.desc: Obtains the number of times that values are evicted from the buffer.
+     */
+    it('testLRUCacheGetRemovalCount005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.updateCapacity(3)
+        that.put('string',20)
+        that.put('abc',30)
+        that.put(10,20)
+        var result = that.getRemovalCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount001
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(1)
+        that.get(2)
+        that.get('abcd')
+        var result = that.getMatchCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount002
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(10,2)
+        that.put(2,1)
+        that.put('abcd',15)
+        that.get(10)
+        that.get(2)
+        that.get('abcd')
+        that.get('string')
+        var result = that.getMatchCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount003
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(0,1)
+        that.put(30,10)
+        that.put('abcd',15)
+        that.get(0)
+        that.get(30)
+        that.get('abcd')
+        var result = that.getMatchCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount004
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(1)
+        that.get(2)
+        that.get('abcd')
+        that.contains(2)
+        that.contains('abcd')
+        that.contains(20)
+        var result = that.getMatchCount()
+        expect(result).assertEqual(5)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount005
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.put('string','string')
+        that.get(1)
+        that.get(2)
+        that.get('abcd')
+        that.get('string')
+        that.contains(2)
+        that.contains('abcd')
+        that.contains('string')
+        that.contains(10)
+        var result = that.getMatchCount()
+        expect(result).assertEqual(7)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetMatchCount006
+     * @tc.desc: Obtains the number of times that the queried values are successfully matched.
+     */
+    it('testLRUCacheGetMatchCount006', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.get(5)
+        var result = that.getMatchCount()
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetPutCount001
+     * @tc.desc: Obtains the number of times that values are added to the buffer.
+     */
+    it('testLRUCacheGetPutCount001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result = that.getPutCount()
+        expect(result).assertEqual(1)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetPutCount002
+     * @tc.desc: Obtains the number of times that values are added to the buffer.
+     */
+    it('testLRUCacheGetPutCount002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(5,3)
+        that.put(2,10)
+        var result = that.getPutCount()
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetPutCount003
+     * @tc.desc: Obtains the number of times that values are added to the buffer.
+     */
+    it('testLRUCacheGetPutCount003', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string',2)
+        that.put('abcd',1)
+        that.put('ab','a')
+        var result = that.getPutCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetPutCount004
+     * @tc.desc: Obtains the number of times that values are added to the buffer.
+     */
+    it('testLRUCacheGetPutCount004', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string','string')
+        that.put('ac','abc')
+        that.put('abcd',15)
+        var result = that.getPutCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetPutCount005
+     * @tc.desc: Obtains the number of times that values are added to the buffer.
+     */
+    it('testLRUCacheGetPutCount005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.updateCapacity(2)
+        that.put('abcd','abc')
+        var result = that.getPutCount()
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCapacity001
+     * @tc.desc: Obtains the capacity of the current buffer.
+     */
+    it('testLRUCacheGetCapacity001', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.getCapacity()
+        expect(result).assertEqual(64)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCapacity002
+     * @tc.desc: Obtains the capacity of the current buffer.
+     */
+    it('testLRUCacheGetCapacity002', 0, function () {
+        var that = new util.LRUCache(2)
+        var result = that.getCapacity()
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCapacity003
+     * @tc.desc: Obtains the capacity of the current buffer.
+     */
+    it('testLRUCacheGetCapacity003', 0, function () {
+        var that = new util.LRUCache(100)
+        var result = that.getCapacity()
+        expect(result).assertEqual(100)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCapacity004
+     * @tc.desc: Obtains the capacity of the current buffer.
+     */
+    it('testLRUCacheGetCapacity004', 0, function () {
+        var that = new util.LRUCache()
+        that.updateCapacity(50)
+        var result = that.getCapacity()
+        expect(result).assertEqual(50)
+    })
+
+    /**
+     * @tc.name: testLRUCacheGetCapacity005
+     * @tc.desc: Obtains the capacity of the current buffer.
+     */
+    it('testLRUCacheGetCapacity005', 0, function () {
+        var that = new util.LRUCache(100)
+        that.updateCapacity(10)
+        var result = that.getCapacity()
+        expect(result).assertEqual(10)
+    })
+
+    /**
+     * @tc.name: testLRUCacheLength001
+     * @tc.desc: Obtains the total number of values in the current buffer.
+     */
+    it('testLRUCacheLength001', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.length
+        expect(result).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheLength002
+     * @tc.desc: Obtains the total number of values in the current buffer.
+     */
+    it('testLRUCacheLength002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result = that.length
+        expect(result).assertEqual(1)
+    })
+
+    /**
+     * @tc.name: testLRUCacheLength003
+     * @tc.desc: Obtains the total number of values in the current buffer.
+     */
+    it('testLRUCacheLength003', 0, function () {
+        var that = new util.LRUCache()
+        that.put('abc',2)
+        that.put('string','string')
+        var result = that.length
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheLength004
+     * @tc.desc: Obtains the total number of values in the current buffer.
+     */
+    it('testLRUCacheLength004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.put('abcd',20)
+        var result = that.length
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheLength005
+     * @tc.desc: Obtains the total number of values in the current buffer.
+     */
+    it('testLRUCacheLength005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put('abcd',15)
+        that.put('abcd',20)
+        that.updateCapacity(3);
+        that.put(5,33);
+        that.put(25,35);
+        var result = that.length
+        expect(result).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheClear001
+     * @tc.desc: Clears key-value pairs from the current buffer.
+     */
+    it('testLRUCacheClear001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result1 = that.length
+        that.clear()
+        var result2 = that.length
+        expect(result1).assertEqual(1)
+        expect(result2).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheClear002
+     * @tc.desc: Clears key-value pairs from the current buffer.
+     */
+    it('testLRUCacheClear002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put(5,33);
+        that.put(25,35);
+        var result1 = that.length
+        that.clear()
+        var result2 = that.length
+        expect(result1).assertEqual(4)
+        expect(result2).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheClear003
+     * @tc.desc: Clears key-value pairs from the current buffer.
+     */
+    it('testLRUCacheClear003', 0, function () {
+        var that = new util.LRUCache()
+        that.put('abc',2)
+        that.put(2,'abc')
+        that.put('ancd','abcd')
+        that.put(10,35)
+        var result1 = that.length
+        that.clear()
+        var result2 = that.length
+        expect(result1).assertEqual(4)
+        expect(result2).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheClear004
+     * @tc.desc: Clears key-value pairs from the current buffer.
+     */
+    it('testLRUCacheClear004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put(5,33);
+        that.updateCapacity(3);
+        var result1 = that.length
+        that.clear()
+        var result2 = that.length
+        expect(result1).assertEqual(3)
+        expect(result2).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheClear005
+     * @tc.desc: Clears key-value pairs from the current buffer.
+     */
+    it('testLRUCacheClear005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put(5,33);
+        that.put('abcd','string');
+        that.updateCapacity(2);
+        var result1 = that.length
+        that.clear()
+        var result2 = that.length
+        expect(result1).assertEqual(2)
+        expect(result2).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testLRUCacheIsEmpty001
+     * @tc.desc: Checks whether the current buffer is empty.
+     */
+    it('testLRUCacheIsEmpty001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result = that.isEmpty()
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheIsEmpty002
+     * @tc.desc: Checks whether the current buffer is empty.
+     */
+    it('testLRUCacheIsEmpty002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        var result = that.isEmpty()
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheIsEmpty003
+     * @tc.desc: Checks whether the current buffer is empty.
+     */
+    it('testLRUCacheIsEmpty003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put(5,33)
+        var result = that.isEmpty()
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheIsEmpty004
+     * @tc.desc: Checks whether the current buffer is empty.
+     */
+    it('testLRUCacheIsEmpty004', 0, function () {
+        var that = new util.LRUCache()
+        that.put('abc',2)
+        that.put('string',10)
+        that.put('ab','abc')
+        var result = that.isEmpty()
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheIsEmpty005
+     * @tc.desc: Checks whether the current buffer is empty.
+     */
+    it('testLRUCacheIsEmpty005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(2,10)
+        that.put(5,33);
+        that.clear()
+        var result = that.isEmpty()
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: testLRUCacheContains001
+     * @tc.desc: Checks whether the current buffer contains a specified key.
+     */
+    it('testLRUCacheContains001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result = that.contains(1)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: testLRUCacheContains002
+     * @tc.desc: Checks whether the current buffer contains a specified key.
+     */
+    it('testLRUCacheContains002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(0,5)
+        var result = that.contains(0)
+        expect(result).assertEqual(true)
+    })
+
+    /**
+     * @tc.name: testLRUCacheContains003
+     * @tc.desc: Checks whether the current buffer contains a specified key.
+     */
+    it('testLRUCacheContains003', 0, function () {
+        var that = new util.LRUCache()
+        that.put('abc','abc')
+        var result = that.contains(1)
+        expect(result).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheContains004
+     * @tc.desc: Checks whether the current buffer contains a specified key.
+     */
+    it('testLRUCacheContains004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put('abcd',20)
+        var result1 = that.contains(1)
+        var result2 = that.contains(20)
+        expect(result1).assertEqual(true)
+        expect(result2).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheContains005
+     * @tc.desc: Checks whether the current buffer contains a specified key.
+     */
+    it('testLRUCacheContains005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put('string','string')
+        var result1 = that.contains(1)
+        var result2 = that.contains('string')
+        var result3 = that.contains(0)
+        expect(result1).assertEqual(true)
+        expect(result2).assertEqual(true)
+        expect(result3).assertEqual(false)
+    })
+
+    /**
+     * @tc.name: testLRUCacheRemove001
+     * @tc.desc: Deletes a specified key and its associated value from the current buffer.
+     */
+    it('testLRUCacheRemove001', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result = that.remove(1)
+        expect(result).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheRemove002
+     * @tc.desc: Deletes a specified key and its associated value from the current buffer.
+     */
+    it('testLRUCacheRemove002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put('abcd',20)
+        var result1 = that.remove(1)
+        var result2 = that.remove('abcd')
+        expect(result1).assertEqual(2)
+        expect(result2).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheRemove003
+     * @tc.desc: Deletes a specified key and its associated value from the current buffer.
+     */
+    it('testLRUCacheRemove003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        var result1 = that.remove(1)
+        var result2 = that.remove(5)
+        expect(result1).assertEqual(2)
+        expect(result2).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheRemove004
+     * @tc.desc: Deletes a specified key and its associated value from the current buffer.
+     */
+    it('testLRUCacheRemove004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(0,'abc')
+        that.put('abcd',20)
+        var result1 = that.remove(1)
+        var result2 = that.remove('abcd')
+        expect(result1).assertEqual(undefined)
+        expect(result2).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheRemove005
+     * @tc.desc: Deletes a specified key and its associated value from the current buffer.
+     */
+    it('testLRUCacheRemove005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        var result1 = that.remove(1)
+        var result2 = that.remove(3)
+        var result3 = that.get(3)
+        expect(result1).assertEqual(2)
+        expect(result2).assertEqual(10)
+        expect(result3).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheCreateDefault001
+     * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
+     */
+    it('testLRUCacheCreateDefault001', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.createDefault(1)
+        expect(result).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheCreateDefault002
+     * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
+     */
+    it('testLRUCacheCreateDefault002', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.createDefault(0)
+        expect(result).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheCreateDefault003
+     * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
+     */
+    it('testLRUCacheCreateDefault003', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.createDefault('string')
+        expect(result).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheCreateDefault004
+     * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
+     */
+    it('testLRUCacheCreateDefault004', 0, function () {
+        var that = new util.LRUCache()
+        var result = that.createDefault(10)
+        expect(result).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheCreateDefault005
+     * @tc.desc: Executes subsequent operations if miss to compute a value for the specific key.
+     */
+    it('testLRUCacheCreateDefault005', 0, function () {
+        var that = new util.LRUCache()
+        var result1 = that.createDefault('abc')
+        var result2 = that.createDefault('ab')
+        expect(result1).assertEqual(undefined)
+        expect(result2).assertEqual(undefined)
+    })
+
+    /**
+     * @tc.name: testLRUCacheKeys001
+     * @tc.desc: Obtains a list of keys for the values in the current buffer.
+     */
+    it('testLRUCacheKeys001', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string','abc')
+        var result = that.keys()
+        expect(result[0]).assertEqual('string')
+    })
+
+    /**
+     * @tc.name: testLRUCacheKeys002
+     * @tc.desc: Obtains a list of keys for the values in the current buffer.
+     */
+    it('testLRUCacheKeys002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        var result = that.keys()
+        expect(result[0]).assertEqual(1)
+        expect(result[1]).assertEqual(3)
+        expect(result[2]).assertEqual(5)
+        expect(result[3]).assertEqual('abc')
+    })
+
+    /**
+     * @tc.name: testLRUCacheKeys003
+     * @tc.desc: Obtains a list of keys for the values in the current buffer.
+     */
+    it('testLRUCacheKeys003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        var result = that.keys()
+        expect(result[0]).assertEqual(1)
+        expect(result[1]).assertEqual(5)
+        expect(result[2]).assertEqual('abc')
+        expect(result[3]).assertEqual(3)
+    })
+
+    /**
+     * @tc.name: testLRUCacheKeys004
+     * @tc.desc: Obtains a list of keys for the values in the current buffer.
+     */
+    it('testLRUCacheKeys004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.contains(1)
+        var result = that.keys()
+        expect(result[0]).assertEqual(5)
+        expect(result[1]).assertEqual('abc')
+        expect(result[2]).assertEqual(3)
+        expect(result[3]).assertEqual(1)
+    })
+
+    /**
+     * @tc.name: testLRUCacheKeys005
+     * @tc.desc: Obtains a list of keys for the values in the current buffer.
+     */
+    it('testLRUCacheKeys005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.remove(5)
+        that.contains(3)
+        that.get(1)
+        that.contains('abc')
+        var result = that.keys()
+        expect(result[0]).assertEqual(3)
+        expect(result[1]).assertEqual(1)
+        expect(result[2]).assertEqual('abc')
+    })
+
+    /**
+     * @tc.name: testLRUCacheValues001
+     * @tc.desc: Obtains a list of all values in the current buffer.
+     */
+    it('testLRUCacheValues001', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string','abc')
+        var result = that.values()
+        expect(result[0]).assertEqual('abc')
+    })
+
+    /**
+     * @tc.name: testLRUCacheValues002
+     * @tc.desc: Obtains a list of all values in the current buffer.
+     */
+    it('testLRUCacheValues002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        var result = that.values()
+        expect(result[0]).assertEqual(2)
+        expect(result[1]).assertEqual(10)
+        expect(result[2]).assertEqual(15)
+        expect(result[3]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheValues003
+     * @tc.desc: Obtains a list of all values in the current buffer.
+     */
+    it('testLRUCacheValues003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        var result = that.values()
+        expect(result[0]).assertEqual(2)
+        expect(result[1]).assertEqual(15)
+        expect(result[2]).assertEqual(20)
+        expect(result[3]).assertEqual(10)
+    })
+
+    /**
+     * @tc.name: testLRUCacheValues004
+     * @tc.desc: Obtains a list of all values in the current buffer.
+     */
+    it('testLRUCacheValues004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.contains(1)
+        var result = that.values()
+        expect(result[0]).assertEqual(15)
+        expect(result[1]).assertEqual(20)
+        expect(result[2]).assertEqual(10)
+        expect(result[3]).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testLRUCacheValues005
+     * @tc.desc: Obtains a list of all values in the current buffer.
+     */
+    it('testLRUCacheValues005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.remove(5)
+        that.contains(3)
+        that.get(1)
+        that.contains('abc')
+        var result = that.values()
+        expect(result[0]).assertEqual(10)
+        expect(result[1]).assertEqual(2)
+        expect(result[2]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheToString001
+     * @tc.desc: Returns a string representation of the object.
+     */
+    it('testLRUCacheToString001', 0, function () {
+        var that = new util.LRUCache()
+        that.put('1111','bcjdshc')
+        that.put(1,2)
+        var result = that.toString()
+        expect(result).assertEqual('LRUCache[ maxSize = 64, hits = 0, misses = 0, hitRate = 0% ]')
+    })
+
+    /**
+     * @tc.name: testLRUCacheToString002
+     * @tc.desc: Returns a string representation of the object.
+     */
+    it('testLRUCacheToString002', 0, function () {
+        var that = new util.LRUCache()
+        that.put('1111','bcjdshc')
+        that.put(1,2)
+        that.get(1)
+        that.get('1111')
+        var result = that.toString()
+        expect(result).assertEqual('LRUCache[ maxSize = 64, hits = 2, misses = 0, hitRate = 100% ]')
+    })
+
+    /**
+     * @tc.name: testLRUCacheToString003
+     * @tc.desc: Returns a string representation of the object.
+     */
+    it('testLRUCacheToString003', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        var result = that.toString()
+        expect(result).assertEqual('LRUCache[ maxSize = 100, hits = 1, misses = 0, hitRate = 100% ]')
+    })
+
+    /**
+     * @tc.name: testLRUCacheToString004
+     * @tc.desc: Returns a string representation of the object.
+     */
+    it('testLRUCacheToString004', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.get(2)
+        var result = that.toString()
+        expect(result).assertEqual('LRUCache[ maxSize = 100, hits = 1, misses = 1, hitRate = 50% ]')
+    })
+
+    /**
+     * @tc.name: testLRUCacheToString005
+     * @tc.desc: Returns a string representation of the object.
+     */
+    it('testLRUCacheToString005', 0, function () {
+        var that = new util.LRUCache(100)
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.get(2)
+        that.get(1)
+        that.contains(5)
+        var result = that.toString()
+        expect(result).assertEqual('LRUCache[ maxSize = 100, hits = 3, misses = 1, hitRate = 75% ]')
+    })
+
+    /**
+     * @tc.name: testLRUCacheEntries001
+     * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
+     */
+    it('testLRUCacheEntries001', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string','abc')
+        var i=0;
+        var arr={};
+        for (let entry of that.entries()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual('abc');
+    })
+
+    /**
+     * @tc.name: testLRUCacheEntries002
+     * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
+     */
+    it('testLRUCacheEntries002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        var i=0;
+        var arr={};
+        for (let entry of that.entries()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(2);
+    })
+
+    /**
+     * @tc.name: testLRUCacheEntries003
+     * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
+     */
+    it('testLRUCacheEntries003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        var i=0;
+        var arr={};
+        for (let entry of that.entries()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[0]).assertEqual(1);
+    })
+
+    /**
+     * @tc.name: testLRUCacheEntries004
+     * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
+     */
+    it('testLRUCacheEntries004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.contains(1)
+        var i=0;
+        var arr={};
+        for (let entry of that.entries()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(15)
+        expect(arr[3]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheEntries005
+     * @tc.desc: Returns an array of key-value pairs of enumeratable properties of a given object.
+     */
+    it('testLRUCacheEntries005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.remove(5)
+        that.contains(3)
+        that.get(1)
+        that.contains('abc')
+        var i=0;
+        var arr={};
+        for (let entry of that.entries()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(10)
+        expect(arr[3]).assertEqual(2)
+        expect(arr[5]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCache[Symbol.iterator]001
+     * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
+     */
+    it('testLRUCache[Symbol.iterator]001', 0, function () {
+        var that = new util.LRUCache()
+        that.put('string','abc')
+        that.put('abc',20)
+        var i=0;
+        var arr={};
+        for (let entry of that[Symbol.iterator]()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual('abc');
+    })
+
+    /**
+     * @tc.name: testLRUCache[Symbol.iterator]002
+     * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
+     */
+    it('testLRUCache[Symbol.iterator]002', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        var i=0;
+        var arr={};
+        for (let entry of that[Symbol.iterator]()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(2);
+    })
+
+    /**
+     * @tc.name: testLRUCache[Symbol.iterator]003
+     * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
+     */
+    it('testLRUCache[Symbol.iterator]003', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        var i=0;
+        var arr={};
+        for (let entry of that[Symbol.iterator]()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[0]).assertEqual(1);
+    })
+
+    /**
+     * @tc.name: testLRUCache[Symbol.iterator]004
+     * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
+     */
+    it('testLRUCache[Symbol.iterator]004', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.contains(1)
+        var i=0;
+        var arr={};
+        for (let entry of that[Symbol.iterator]()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(15)
+        expect(arr[3]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCache[Symbol.iterator]005
+     * @tc.desc: Returns a two - dimensional array in the form of key - value pairs.
+     */
+    it('testLRUCache[Symbol.iterator]005', 0, function () {
+        var that = new util.LRUCache()
+        that.put(1,2)
+        that.put(3,10)
+        that.put(5,15)
+        that.put('abc',20)
+        that.get(3)
+        that.remove(5)
+        that.contains(3)
+        that.get(1)
+        that.contains('abc')
+        var i=0;
+        var arr={};
+        for (let entry of that[Symbol.iterator]()) {
+            arr[i]=entry[0];
+            i++;
+            arr[i]=entry[1];
+            i++;
+        }
+        expect(arr[1]).assertEqual(10)
+        expect(arr[3]).assertEqual(2)
+        expect(arr[5]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval001
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval001', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor()
+            {
+                super();
+            }
+            static getInstance()
+            {
+                if(this.instance ==  null)
+                {
+                    this.instance = new ChildLRUCache();
+                }
+                return this.instance;
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        ChildLRUCache.getInstance().afterRemoval(false,10,30,null)
+        expect(arr[0]).assertEqual(10)
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval002
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval002', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor()
+            {
+                super();
+            }
+            static getInstance()
+            {
+                if(this.instance ==  null)
+                {
+                    this.instance = new ChildLRUCache();
+                }
+                return this.instance;
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        ChildLRUCache.getInstance().afterRemoval(false,'string',10,null)
+        expect(arr[0]).assertEqual('string')
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval003
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval003', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor()
+            {
+                super();
+            }
+            static getInstance()
+            {
+                if(this.instance ==  null)
+                {
+                    this.instance = new ChildLRUCache();
+                }
+                return this.instance;
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        ChildLRUCache.getInstance().afterRemoval(false,10,30,12)
+        expect(arr[2]).assertEqual(12)
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval004
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval004', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor()
+            {
+                super();
+            }
+            static getInstance()
+            {
+                if(this.instance ==  null)
+                {
+                    this.instance = new ChildLRUCache();
+                }
+                return this.instance;
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        ChildLRUCache.getInstance().afterRemoval(false,'abc',30,'string')
+        expect(arr[1]).assertEqual(30)
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval005
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval005', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor()
+            {
+                super();
+            }
+            static getInstance()
+            {
+                if(this.instance ==  null)
+                {
+                    this.instance = new ChildLRUCache();
+                }
+                return this.instance;
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === true)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        ChildLRUCache.getInstance().afterRemoval(true,'abc','ab','string')
+        expect(arr[2]).assertEqual('string')
+    })
+})
+
+describe('FunctionTest', function () {
+    /**
+     * @tc.name: testUtilformat001
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformat001', 0, function () {
+        var format = "%i,%s";
+        var value1 = 1.5;
+        var value2 = "qwer";
+        var value3 = 15;
+        var result = util.format(format, value1, value2, value3);
+        expect(result).assertEqual("1,qwer 15");
+    })
+
+    /**
+     * @tc.name: testUtilformat002
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformat002', 0, function () {
+        var format = "%O";
+        var value = { name: 'jack' ,age: 15 };
+        var result = util.format(format, value);
+        expect(result).assertEqual("{ name: 'jack',\n  age: 15 }");
+    })
+
+    /**
+     * @tc.name: testUtilformat003
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformat003', 0, function () {
+        var format = "%o";
+        var value = [1, 2, 3];
+        var result = util.format(format, value);
+        var res = '[ 1, 2, 3, [length]: 3 ]'
+        expect(result).assertEqual('[ 1, 2, 3, [length]: 3 ]');
+    })
+
+    /**
+     * @tc.name: testUtilformat004
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformat004', 0, function () {
+        var format = "%s,%s,%s";
+        var value1 = "1.5";
+        var value2 = "qwer";
+        var result = util.format(format, value1, value2);
+        expect(result).assertEqual('1.5,qwer,%s');
+    })
+
+    /**
+     * @tc.name: testUtilformat005
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformat005', 0, function () {
+        var format = "%d,%d";
+        var value1 = 6;
+        var value2 = 16;
+        var result = util.format(format, value1, value2);
+        expect(result).assertEqual('6,16');
+    })
+
+    /**
+     * @tc.name: testUtilformat001
+     * @tc.desc: Returns the formatted string.
+     */
+    it('testUtilformatThrowError001', 0, function () {
+        try {
+            var format = 123;
+            var value1 = 1.5;
+            var value2 = "qwer";
+            var value3 = 15;
+            var result = util.format(format, value1, value2, value3);
+            expect(result).assertEqual("1,qwer 15");
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be string or array");
+        }
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToString001
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToString001', 0, async function () {
+        var errnum = 10;
+        var result = util.errnoToString(errnum);
+        expect(result).assertEqual('Unknown system error 10');
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToString002
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToString002', 0, async function () {
+        var errnum = 0;
+        var result = util.errnoToString(errnum);
+        expect(result).assertEqual('Unknown system error 0');
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToString003
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToString003', 0, async function () {
+        var errnum = -1;
+        var result = util.errnoToString(errnum);
+        expect(result).assertEqual('operation not permitted');
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToString004
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToString004', 0, async function () {
+        var errnum = 9;
+        var result = util.errnoToString(errnum);
+        expect(result).assertEqual('Unknown system error 9');
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToString005
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToString005', 0, async function () {
+        var errnum = 555;
+        var result = util.errnoToString(errnum);
+        expect(result).assertEqual('Unknown system error 555');
+    })
+
+    /**
+     * @tc.name: testUtilerrnoToStringThrowError001
+     * @tc.desc: Get the string name of the system errno.
+     */
+    it('testUtilerrnoToStringThrowError001', 0, async function () {
+        try {
+            var errnum = 'str';
+            var result = util.errnoToString(errnum);
+            expect(result).assertEqual('Unknown system error 10');
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be number");
+        }
+    })
+
+    /**
+     * @tc.name: testUtilPromisifyThrowError001
+     * @tc.desc: Takes a function following the common error-first callback style,
+       taking an callback as the last argument, and return a function that returns promises.
+     */
+    it('testUtilPromisifyThrowError001', 0, async function () {
+        try {
+            var fn = 'str';
+            (async () => {
+                const value = await util.promisify(fn);
+                expect(value(null, "Hello")).strictEqual('Hello');
+            })();
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of fn must be function");
+        }
+    })
+
+    /**
+     * @tc.name: testUtilRandomUUIDThrowError001
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+
+    it('testUtilRandomUUIDThrowError001', 0, async function () {
+        try {
+            var result = util.randomUUID(123);
+            expect(result.length).assertEqual(36);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be boolean");
+        }
+    })
+
+    /**
+     * @tc.name: testUtilRandomBinaryUUIDThrowError001
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilRandomBinaryUUIDThrowError001', 0, async function () {
+        try {
+            var result = util.randomBinaryUUID(123);
+            expect(result.length).assertEqual(16);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be boolean");
+        }
+    })
+
+    /**
+     * @tc.name: testUtilParseUUIDThrow001
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilParseUUIDThrow001', 0, async function () {
+        try {
+            var result = util.parseUUID(123);
+            expect(result.length).assertEqual(16);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Syntax Error.Invalid 123 string");
+        }
+    })
+})
+
+describe('RationalNumberTest', function () {
+    /**
+     * @tc.name: test_parseRationalNumber_001
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_parseRationalNumber_001', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1, 2)
+        var res = pro.createRationalFromString('+2:-4')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(-0.5)
+    })
+
+    /**
+     * @tc.name: test_parseRationalNumberThrowError_001
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_parseRationalNumberThrowError_001', 0, function () {
+        try {
+            var pro = new util.RationalNumber()
+            pro.parseRationalNumber('str', 2)
+            var res = pro.createRationalFromString('+2:-4')
+            var result1 = res.valueOf()
+            expect(result1).assertEqual(-0.5)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be number");
+        }
+    })
+
+    /**
+     * @tc.name: test_createRationalFromString_001
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromString_001', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1,2)
+        var res = pro.createRationalFromString('-1:2')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(-0.5)
+    })
+
+    /**
+     * @tc.name: test_createRationalFromString_002
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromString_002', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1,2)
+        var res = pro.createRationalFromString('+3/4')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(0.75)
+    })
+
+    /**
+     * @tc.name: test_createRationalFromString_003
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromString_003', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1,2)
+        var res = pro.createRationalFromString('+3:-4')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(-0.75)
+    })
+
+    /**
+     * @tc.name: test_createRationalFromString_004
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromString_004', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1,2)
+        var res = pro.createRationalFromString('+2:4')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(0.5)
+    })
+
+    /**
+     * @tc.name: test_createRationalFromString_005
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromString_005', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(1,2)
+        var res = pro.createRationalFromString('+2:-4')
+        var result1 = res.valueOf()
+        expect(result1).assertEqual(-0.5)
+    })
+
+    /**
+     * @tc.name: test_createRationalFromStringThrowError_001
+     * @tc.desc: Creates a RationalNumber object based on a given string.
+     */
+    it('test_createRationalFromStringThrowError_001', 0, function () {
+        try {
+            var pro = new util.RationalNumber()
+            pro.parseRationalNumber(1, 2)
+            var res = pro.createRationalFromString(123)
+            var result1 = res.valueOf()
+            expect(result1).assertEqual(-0.5)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of 123 must be string");
+        }
+    })
+
+    /**
+     * @tc.name: test_compare_001
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compare_001', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(2, 1)
+        var proc = new util.RationalNumber()
+        proc.parseRationalNumber(3, 4)
+        var res = pro.compare(proc)
+        expect(res).assertEqual(1)
+    })
+
+    /**
+     * @tc.name: test_compare_002
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compare_002', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(2, 1)
+        var proc = new util.RationalNumber()
+        proc.parseRationalNumber(0, 0)
+        var res = pro.compare(proc)
+        expect(res).assertEqual(-1)
+    })
+
+    /**
+     * @tc.name: test_compare_003
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compare_003', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(2, 1)
+        var proc = new util.RationalNumber()
+        proc.parseRationalNumber(8, 3)
+        var res = pro.compare(proc)
+        expect(res).assertEqual(-1)
+    })
+
+    /**
+     * @tc.name: test_compare_004
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compare_004', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(2, 1)
+        var proc = new util.RationalNumber()
+        proc.parseRationalNumber(2, 1)
+        var res = pro.compare(proc)
+        expect(res).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: test_compare_005
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compare_005', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var proc = new util.RationalNumber()
+        proc.parseRationalNumber(2, 1)
+        var res = pro.compare(proc)
+        expect(res).assertEqual(1)
+    })
+
+    /**
+     * @tc.name: test_compareThrowError_001
+     * @tc.desc: Compares the current RationalNumber object with a given object.
+     */
+    it('test_compareThrowError_001', 0, function () {
+        try {
+            var pro = new util.RationalNumber()
+            pro.parseRationalNumber(2, 1)
+            var proc = 'str'
+            var res = pro.compare(proc)
+            expect(res).assertEqual(1)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be RationalNumber");
+        }
+    })
+
+    /**
+     * @tc.name: testgetCommonFactor001
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactor001', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var res = pro.getCommonFactor(4, 8)
+        expect(res).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testgetCommonFactor002
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactor002', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var res = pro.getCommonFactor(10, 15)
+        expect(res).assertEqual(5)
+    })
+
+    /**
+     * @tc.name: testgetCommonFactor003
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactor003', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var res = pro.getCommonFactor(8, 4)
+        expect(res).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testgetCommonFactor004
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactor004', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var res = pro.getCommonFactor(8, 16)
+        expect(res).assertEqual(8)
+    })
+
+    /**
+     * @tc.name: testgetCommonFactor005
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactor005', 0, function () {
+        var pro = new util.RationalNumber()
+        pro.parseRationalNumber(0, 0)
+        var res = pro.getCommonFactor(2, 16)
+        expect(res).assertEqual(2)
+    })
+
+    /**
+     * @tc.name: testgetCommonFactorThrowError001
+     * @tc.desc: Obtains the greatest common divisor of two specified numbers.
+     */
+    it('testgetCommonFactorThrowError001', 0, function () {
+        try {
+            var pro = new util.RationalNumber()
+            pro.parseRationalNumber(0, 0)
+            var res = pro.getCommonFactor('str', 8)
+            expect(res).assertEqual(4)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BusinessError: Parameter error.The type of str must be number");
+        }
+    })
+})
+
+describe('Base64HelperTest', function () {
+    /**
+     * @tc.name: test_encodeSync_base64_001
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_001', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([115,49,51]);
+        var rarray = new Uint8Array([99,122,69,122]);
+        var result = that.encodeSync(array);
+        for (var i = 0; i < 4; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_002
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_002', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        var rarray = new Uint8Array([81,109,70,122,90,84,89,48,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var result = that.encodeSync(array);
+        for (var i = 0; i < 20; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_003
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_003', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,
+        110,32,78,111,100,101,46,106,115]);
+        var rarray = new Uint8Array([81,109,70,122,90,84,89,48,73,69,86,117,89,50,57,107,97,87,53,110,
+        73,71,108,117,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var result = that.encodeSync(array);
+        for (var i = 0; i < 36; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_004
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+       array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_004', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([168, 174, 155, 255]);
+        var rarray = new Uint8Array([113,75,54,98,47,119,61,61]);
+        var result = that.encodeSync(array);
+        for (var i = 0; i < 8; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_005
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_005', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        var rarray = new Uint8Array([81, 109, 70, 122, 90, 84, 89, 48]);
+        var result = that.encodeSync(array);
+        for (var i = 0; i <8; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_006
+     * @tc.desc: Encodes all bytes from the specified u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_006', 0, function () {
+        try {
+            var that = new util.Base64Helper();
+            var array = new Uint32Array([66, 97, 115, 101, 54, 52]);
+            var result = that.encodeSync(array);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array")
+        }
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_001
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToStringSync_base64_001', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([115,49,51]);
+        var result = that.encodeToStringSync(array)
+        expect(result).assertEqual('czEz')
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_002
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToStringSync_base64_002', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        var result = that.encodeToStringSync(array);
+        expect(result).assertEqual('QmFzZTY0IE5vZGUuanM=')
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_003
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToStringSync_base64_003', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,110,
+        32,78,111,100,101,46,106,115]);
+        var result = that.encodeToStringSync(array);
+        expect(result).assertEqual('QmFzZTY0IEVuY29kaW5nIGluIE5vZGUuanM=')
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_004
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToStringSync_base64_004', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([168, 174, 155, 255]);
+        var result = that.encodeToStringSync(array);
+        expect(result).assertEqual('qK6b/w==')
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_005
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToStringSync_base64_005', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        var result = that.encodeToStringSync(array);
+        expect(result).assertEqual('QmFzZTY0')
+    })
+
+    /**
+     * @tc.name: test_encodeToStringSync_base64_006
+     * @tc.desc: Encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+        it('test_encodeToStringSync_base64_006', 0, function () {
+        try {
+            var that = new util.Base64Helper()
+            var array = new Uint32Array([66, 97, 115, 101, 54, 52]);
+            var result = that.encodeToStringSync(array);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array")
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_001
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_001', 0, function () {
+        var that = new util.Base64Helper()
+        var buff = 'czEz';
+        var rarray = new Uint8Array([115,49,51]);
+        var result = that.decodeSync(buff);
+        for (var i = 0; i < 3; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_002
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_002', 0, function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0IE5vZGUuanM=';
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        var result = that.decodeSync(buff);
+        for (var i = 0; i < 14; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_003
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_003', 0, function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0IEVuY29kaW5nIGluIE5vZGUuanM=';
+        var rarray = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,
+        105,110,32,78,111,100,101,46,106,115]);
+        var result = that.decodeSync(buff);
+        for (var i = 0; i < 26; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_004
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_004', 0, function () {
+        var that = new util.Base64Helper()
+        var buff = 'qK6b/w==';
+        var rarray = new Uint8Array([168, 174, 155, 255]);
+        var result = that.decodeSync(buff);
+        for (var i = 0; i < 4; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_005
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_005', 0, function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0';
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        var result = that.decodeSync(buff);
+        for (var i = 0; i <6; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_006
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_006', 0, function () {
+        try {
+            var that = new util.Base64Helper()
+            var array = new Uint32Array([99,122,69,122]);
+            var result = that.decodeSync(array);
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array or string")
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_007
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_007', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81,109,70,122,90,84,89,48,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        var result = that.decodeSync(array);
+        for (var i = 0; i < 14; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_008
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_008', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81,109,70,122,90,84,89,48,73,69,86,117,89,50,57,107,97,87,
+        53,110,73,71,108,117,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var rarray = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,
+        110,32,78,111,100,101,46,106,115]);
+        var result = that.decodeSync(array);
+        for (var i = 0; i < 26; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_009
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_009', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([113,75,54,98,47,119,61,61]);
+        var rarray = new Uint8Array([168, 174, 155, 255]);
+        var result = that.decodeSync(array);
+        for (var i = 0; i < 4; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    /**
+     * @tc.name: test_decodeSync_base64_010
+     * @tc.desc: Decodes a Base64 encoded String or input u8 array into a newly-allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_decodeSync_base64_010', 0, function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81, 109, 70, 122, 90, 84, 89, 48]);
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        var result = that.decodeSync(array);
+        for (var i = 0; i <6; i++) {
+            expect(result[i]).assertEqual(rarray[i]);
+        }
+    })
+
+    //base64 EncodeAsync test
+    /**
+     * @tc.name: test_encodeSync_base64_001
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly
+         allocated u8 array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_001', 0, async function () {
+        var that = await new util.Base64Helper();
+        var array = new Uint8Array([115,49,51]);
+        var rarray = new Uint8Array([99,122,69,122]);
+        that.encode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_002
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly
+         allocated u8 array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_002', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        var rarray = new Uint8Array([81,109,70,122,90,84,89,48,73,69,53,118,90,71,85,117,97,110,77,61]);
+        that.encode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_003
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_003', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,110,32,
+        78,111,100,101,46,106,115]);
+        var rarray = new Uint8Array([81,109,70,122,90,84,89,48,73,69,86,117,89,50,57,107,97,87,53,110,73,
+        71,108,117,73,69,53,118,90,71,85,117,97,110,77,61]);
+        that.encode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_004
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_004', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([168, 174, 155, 255]);
+        var rarray = new Uint8Array([113,75,54,98,47,119,61,61]);
+        that.encode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_005
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
+        array using the Base64 encoding scheme.
+     */
+    it('test_encodeSync_base64_005', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        var rarray = new Uint8Array([81, 109, 70, 122, 90, 84, 89, 48]);
+        that.encode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeSync_base64_005
+     * @tc.desc: Asynchronously encodes all bytes in the specified u8 array into the newly allocated u8
+        array using the Base64 encoding scheme.
+     */
+        it('test_encodeSync_base64_005', 0, async function () {
+        try {
+            var that = new util.Base64Helper()
+            var array = new Uint32Array([66, 97, 115, 101, 54, 52]);
+            that.encode(array)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array")
+        }
+
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_001
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToString_base64_001', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([115,49,51]);
+        that.encodeToString(array).then(val=>{
+            expect(val).assertEqual('czEz')
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_002
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToString_base64_002', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        that.encodeToString(array).then(val=>{
+            expect(val).assertEqual('QmFzZTY0IE5vZGUuanM=')
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_003
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToString_base64_003', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81,109,70,122,90,84,89,48,73,69,86,117,89,50,57,107,97,87,53,110,73,71,108,
+        117,73,69,53,118,90,71,85,117,97,110,77,61]);
+        that.encodeToString(array).then(val=>{
+            expect(val).assertEqual('QmFzZTY0IEVuY29kaW5nIGluIE5vZGUuanM=')
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_004
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToString_base64_004', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([168, 174, 155, 255]);
+        that.encodeToString(array).then(val=>{
+            expect(val).assertEqual('qK6b/w==')
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_005
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+    it('test_encodeToString_base64_005', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        that.encodeToString(array).then(val=>{
+            expect(val).assertEqual('QmFzZTY0')
+        })
+    })
+
+    /**
+     * @tc.name: test_encodeToString_base64_006
+     * @tc.desc: Asynchronously encodes the specified byte array into a String using the Base64 encoding scheme.
+     */
+        it('test_encodeToString_base64_006', 0, async function () {
+        try {
+            var that = new util.Base64Helper()
+            var array = new Uint32Array([66, 97, 115, 101, 54, 52]);
+            that.encodeToString(array)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array")
+        }
+    })
+
+    /**
+     * @tc.name: test_decode_base64_001
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_001', 0, async function () {
+        var that = new util.Base64Helper()
+        var buff = 'czEz';
+        var array = new Uint8Array([115,49,51]);
+        that.decode(buff).then(val=>{
+            for (var i = 0; i < array.length; i++) {
+                expect(val[i]).assertEqual(array[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_002
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_002', 0, async function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0IE5vZGUuanM=';
+        var array = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        that.decode(buff).then(val=>{
+            for (var i = 0; i < array.length; i++) {
+                expect(val[i]).assertEqual(array[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_003
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_003', 0, async function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0IEVuY29kaW5nIGluIE5vZGUuanM=';
+        var array = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,110,32,78,
+        111,100,101,46,106,115]);
+        that.decode(buff).then(val=>{
+            for (var i = 0; i < array.length; i++) {
+                expect(val[i]).assertEqual(array[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_004
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_004', 0, async function () {
+        var that = new util.Base64Helper()
+        var buff = 'qK6b/w==';
+        var array = new Uint8Array([168, 174, 155, 255]);
+        that.decode(buff).then(val=>{
+            for (var i = 0; i < array.length; i++) {
+                expect(val[i]).assertEqual(array[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_005
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_005', 0, async function () {
+        var that = new util.Base64Helper()
+        var buff = 'QmFzZTY0';
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        that.decode(buff).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_006
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_006', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([99,122,69,122]);
+        var rarray = new Uint8Array([115,49,51]);
+        that.decode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_007
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_007', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81,109,70,122,90,84,89,48,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52, 32, 78, 111, 100, 101, 46, 106, 115]);
+        that.decode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_008
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+     */
+    it('test_decode_base64_008', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81,109,70,122,90,84,89,48,73,69,86,117,89,50,57,107,97,87,53,110,73,71,108,
+        117,73,69,53,118,90,71,85,117,97,110,77,61]);
+        var rarray = new Uint8Array([66,97,115,101,54,52,32,69,110,99,111,100,105,110,103,32,105,110,32,78,111,
+        100,101,46,106,115]);
+        that.decode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_009
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8 array
+         into a newly allocated u8 array.
+     */
+    it('test_decode_base64_009', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([113,75,54,98,47,119,61,61]);
+        var rarray = new Uint8Array([168, 174, 155, 255]);
+        that.decode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_010
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_010', 0, async function () {
+        var that = new util.Base64Helper()
+        var array = new Uint8Array([81, 109, 70, 122, 90, 84, 89, 48]);
+        var rarray = new Uint8Array([66, 97, 115, 101, 54, 52]);
+        that.decode(array).then(val=>{
+            for (var i = 0; i < rarray.length; i++) {
+                expect(val[i]).assertEqual(rarray[i])
+            }
+        })
+    })
+
+    /**
+     * @tc.name: test_decode_base64_011
+     * @tc.desc: Use the Base64 encoding scheme to asynchronously decode a Base64-encoded string or input u8
+        array into a newly allocated u8 array.
+     */
+    it('test_decode_base64_006', 0, async function () {
+        try {
+            var that = new util.Base64Helper()
+            var array = new Uint16Array([99,122,69,122]);
+            that.decode(array)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array or string")
+        }
+    })
+})
+
+describe('DecodeEncodeTest', function () {
+    /**
+     * @tc.name: testencoding_textdecoder_001
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_001', 0, function () {
+        var  that = new util.TextDecoder()
+        that.create('utf-8', { ignoreBOM : true })
+        var retStr = that.encoding
+        expect(retStr).assertEqual('utf-8')
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_002
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_002', 0, function () {
+        var that = new util.TextDecoder()
+        that.create('utf-16le')
+        var encodingStr = that.encoding
+        expect(encodingStr).assertEqual('utf-16le')
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_003
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_003', 0, function () {
+        var that = new util.TextDecoder()
+        that.create('utf-16be')
+        var encodingStr = that.encoding
+        expect(encodingStr).assertEqual('utf-16be')
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_004
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_004', 0, function () {
+        var that = new util.TextDecoder()
+        that.create('utf-16be', { ignoreBOM : true })
+        var encodingStr = that.encoding
+        expect(encodingStr).assertEqual('utf-16be')
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_005
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_005', 0, function () {
+        var that = new util.TextDecoder()
+        that.create('utf-16be', { ignoreBOM : false })
+        var encodingStr = that.encoding
+        expect(encodingStr).assertEqual('utf-16be')
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_ThrowError_001
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_ThrowError_001', 0, function () {
+        try {
+            var that = new util.TextDecoder()
+            that.create(123, { ignoreBOM : false })
+            var encodingStr = that.encoding
+            expect(encodingStr).assertEqual('utf-16be')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be string.")
+        }
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_ThrowError_002
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_ThrowError_002', 0, function () {
+        try {
+            var that = new util.TextDecoder()
+            that.create('utf-16be', 'ignoreBOM')
+            var encodingStr = that.encoding
+            expect(encodingStr).assertEqual('utf-16be')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be object.")
+        }
+    })
+
+    /**
+     * @tc.name: testencoding_textdecoder_ThrowError_002
+     * @tc.desc: The source encoding's name, lowercased.
+     */
+    it('testencoding_textdecoder_ThrowError_002', 0, function () {
+        try {
+            var that = new util.TextDecoder()
+            that.create('utf-16be', 123)
+            var encodingStr = that.encoding
+            expect(encodingStr).assertEqual('utf-16be')
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be object.")
+        }
+    })
+
+    /**
+     * @tc.name: testEncodeInto001
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testencodeInto001', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('abc')
+        expect(result[0]).assertEqual(0x61)
+    })
+
+    /**
+     * @tc.name: testEncodeInto002
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto002', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('\uD800楼楼')
+        expect(result[5]).assertEqual(188)
+    })
+
+    /**
+     * @tc.name: testEncodeInto003
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto003', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('a\uD800楼楼')
+        expect(result[0]).assertEqual(0x61)
+    })
+
+    /**
+     * @tc.name: testEncodeInto004
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto004', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('abc\uD800楼楼')
+        expect(result[1]).assertEqual(0x62)
+    })
+
+    /**
+     * @tc.name: testEncodeInto005
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto005', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('123\uD800楼楼')
+        expect(result[0]).assertEqual(49)
+        expect(result[9]).assertEqual(230)
+    })
+
+    /**
+     * @tc.name: testEncodeInto006
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto006', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('123¥\uD800楼')
+        expect(result[10]).assertEqual(0xbc)
+    })
+
+    /**
+     * @tc.name: testEncodeInto007
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto007', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('¥¥')
+        expect(result[0]).assertEqual(0xc2)
+    })
+
+    /**
+     * @tc.name: testEncodeInto008
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeInto008', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var result = new Uint8Array(buffer)
+        result = that.encodeInto('$$')
+        expect(result[0]).assertEqual(0x24)
+    })
+
+    /**
+     * @tc.name: testEncodeInto009
+     * @tc.desc: Returns the result of encoder for gb18030.
+     */
+    it('testEncodeInto009', 0, function () {
+        let that = new util.TextEncoder('gb18030')
+        let buffer = new ArrayBuffer(20)
+        let result = new Uint8Array(buffer)
+        result = that.encodeInto('abc哈哈熠熠')
+        expect(result[0]).assertEqual(97)
+        expect(result[3]).assertEqual(185)
+        expect(result[4]).assertEqual(254)
+        expect(result[7]).assertEqual(236)
+        expect(result[8]).assertEqual(218)
+    })
+
+    /**
+     * @tc.name: testEncodeInto010
+     * @tc.desc: Returns the result of encoder for GB18030.
+     */
+    it('testEncodeInto0010', 0, function () {
+        let that = new util.TextEncoder('GB18030')
+        let buffer = new ArrayBuffer(20)
+        let result = new Uint8Array(buffer)
+        result = that.encodeInto('abc哈哈熠熠')
+        expect(result[0]).assertEqual(97)
+        expect(result[3]).assertEqual(185)
+        expect(result[4]).assertEqual(254)
+        expect(result[7]).assertEqual(236)
+        expect(result[8]).assertEqual(218)
+    })
+
+    /**
+     * @tc.name: testEncodeIntoThrowError001
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeIntoThrowError001', 0, function () {
+        try {
+            var that = new util.TextEncoder()
+            var buffer = new ArrayBuffer(20)
+            var result = new Uint8Array(buffer)
+            result = that.encodeInto(123)
+            expect(result[0]).assertEqual(0x61)
+        } catch (e) {
+                expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be string.")
+            }
+    })
+
+    /**
+     * @tc.name: testEncodeIntoThrowError002
+     * @tc.desc: Returns the result of encoder.
+     */
+    it('testEncodeIntoThrowError002', 0, function () {
+        try {
+            var that = new util.TextEncoder()
+            var buffer = new ArrayBuffer(20)
+            var result = new Uint8Array(buffer)
+            result = that.encodeInto({ ignoreBOM : true })
+            expect(result[0]).assertEqual(0x61)
+        } catch (e) {
+                expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be string.")
+            }
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array001
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array001', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var dest = new Uint8Array(buffer, 0, 13)
+        var result = new Uint32Array(20)
+        result = that.encodeIntoUint8Array('\uD800A\uDF06A楼HiA', dest)
+        expect(result.read).assertEqual(7)
+        expect(result.written).assertEqual(13)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array002
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array002', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(6)
+        var dest = new Uint8Array(buffer)
+        var result = new Object()
+        result = that.encodeIntoUint8Array('abc\u2603d', dest)
+        expect(result.read).assertEqual(4)
+        expect(result.written).assertEqual(6)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array003
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array003', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(4)
+        var dest = new Uint8Array(buffer)
+        var result = new Object()
+        result = that.encodeIntoUint8Array('abcd', dest)
+        expect(result.read).assertEqual(4)
+        expect(result.written).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array004
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array004', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(4)
+        var dest = new Uint8Array(buffer)
+        var result = new Object()
+        result = that.encodeIntoUint8Array('12345', dest)
+        expect(result.read).assertEqual(4)
+        expect(result.written).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array005
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array005', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(4)
+        var dest = new Uint8Array(buffer)
+        var result = new Object()
+        result = that.encodeIntoUint8Array('123 4*!@#', dest)
+        expect(result.read).assertEqual(4)
+        expect(result.written).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array006
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array006', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(4)
+        var dest = new Uint8Array(buffer)
+        var result = new Object()
+        result = that.encodeIntoUint8Array('', dest)
+        expect(result.read).assertEqual(0)
+        expect(result.written).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array007
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array007', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var dest = new Uint8Array(buffer)
+        var result = new Uint32Array(20)
+        result = that.encodeIntoUint8Array('12ab', dest)
+        expect(result.read).assertEqual(4)
+        expect(result.written).assertEqual(4)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8Array008
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8Array008', 0, function () {
+        var that = new util.TextEncoder()
+        var buffer = new ArrayBuffer(20)
+        var dest = new Uint8Array(buffer, 0, 0)
+        var result = new Uint32Array(20)
+        result = that.encodeIntoUint8Array('\uD800A\uDF06A楼HiA', dest)
+        expect(result.read).assertEqual(0)
+        expect(result.written).assertEqual(0)
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8ArrayThrowError001
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8ArrayThrowError001', 0, function () {
+        try {
+            var that = new util.TextEncoder()
+            var buffer = new ArrayBuffer(20)
+            var dest = new Uint8Array(buffer, 0, 13)
+            var result = new Uint32Array(20)
+            result = that.encodeIntoUint8Array('\uD800A\uDF06A楼HiA', dest)
+            expect(result.read).assertEqual(7)
+            expect(result.written).assertEqual(13)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be string.")
+        }
+    })
+
+    /**
+     * @tc.name: testencodeIntoUint8ArrayThrowError002
+     * @tc.desc: encode string, write the result to dest array.
+     */
+    it('testencodeIntoUint8ArrayThrowError002', 0, function () {
+        try {
+            var that = new util.TextEncoder()
+            var buffer = new ArrayBuffer(20)
+            var dest = new Uint8Array(buffer, 0, 13)
+            var result = new Uint32Array(20)
+            result = that.encodeIntoUint8Array('\uD800A\uDF06A楼HiA', dest)
+            expect(result.read).assertEqual(7)
+            expect(result.written).assertEqual(13)
+        } catch (e) {
+            expect(e.toString()).assertEqual("BuisnessError: The type of Parameter must be Uint8Array.")
         }
     })
 })