RegExp.uts

import { describe, test, expect, Result } from './tests.uts'

export function testRegExp() : Result {
  return describe("RegExp", () => {
    test("constructor", () => {
      // #ifdef APP-ANDROID
      const str = 'table football';
      const regex = new RegExp('foo*');
      const globalRegex = new RegExp();

      expect(regex.test(str)).toEqual(true);
      expect(globalRegex.test(str)).toEqual(true);

      let r2 = new RegExp(/ab+c/);
      expect(r2.test(str)).toEqual(false);

      let r3 = new RegExp(/foo/);
      expect(r3.test(str)).toEqual(true);
      // #endif
    })

    test("dotAll", () => {
      // #TEST RegExp.dotAll
      const regex1 = new RegExp('foo', 's');
      console.log(regex1.dotAll);
      // expected output: true

      const regex2 = new RegExp('bar');
      console.log(regex2.dotAll);
      // expected output: false
      // #END
      expect(regex1.dotAll).toEqual(true);
      expect(regex2.dotAll).toEqual(false);
    });

    test("flags", () => {
      // #TEST RegExp.flags
      const regex1 = new RegExp('foo', 'ig');
      console.log(regex1.flags);
      // expected output: "gi"

      const regex2 = new RegExp('bar', 'myu');
      console.log(regex2.flags);
      // expected output: "muy"

      const regex3 = new RegExp('bar');
      console.log(regex3.flags);
      // expected output: ""
      // #END
      expect(regex1.flags).toEqual("gi");
      expect(regex2.flags).toEqual("muy");
      expect(regex3.flags).toEqual("");
    });

    test("global", () => {
      // #TEST RegExp.global
      const regex1 = new RegExp('foo', 'g');
      console.log(regex1.global);
      // expected output: true

      const regex2 = new RegExp('bar');
      console.log(regex2.global);
      // expected output: false
      // #END
      expect(regex1.global).toEqual(true);
      expect(regex2.global).toEqual(false);
    });

    test("hasIndices", () => {
      // #TEST RegExp.hasIndices
      const regex1 = new RegExp('foo', 'd');
      console.log(regex1.hasIndices);
      // expected output: true

      const regex2 = new RegExp('bar');
      console.log(regex2.hasIndices);
      // expected output: false
      // #END
      expect(regex1.hasIndices).toEqual(true);
      expect(regex2.hasIndices).toEqual(false);
    });

    test("ignoreCase", () => {
      // #TEST RegExp.ignoreCase
      const regex1 = new RegExp('foo', 'i');
      console.log(regex1.ignoreCase);
      // expected output: true

      const regex2 = new RegExp('bar');
      console.log(regex2.ignoreCase);
      // expected output: false
      // #END
      expect(regex1.ignoreCase).toEqual(true);
      expect(regex2.ignoreCase).toEqual(false);
    });

    test("RegExpExecArray", () => {
      // #ifdef APP-ANDROID
      const regex1 = RegExp('foo*', 'g');
      const str1 = 'table football, foosball';
      let array1 : RegExpExecArray = regex1.exec(str1)!;
      console.log(array1[0] == 'foo')
      expect(array1[0] == 'foo').toEqual(true);
      // #endif
    })
    test("lastIndex", () => {
      // #TEST RegExp.lastIndex
      const regex = /ab/g;
      const str = 'ab ab ab';

      const result1 = regex.exec(str)!;
      console.log(result1.index);
      console.log(regex.lastIndex);
      // expected output: 
      // result1.index: 0
      // regex.lastIndex: 2

      const result2 = regex.exec(str)!;
      console.log(result2.index);
      console.log(regex.lastIndex);
      // expected output: 
      // result2.index: 3
      // regex.lastIndex: 5

      const result3 = regex.exec(str)!;
      console.log(result3.index);
      console.log(regex.lastIndex);
      // expected output: 
      // result3.index: 6
      // regex.lastIndex: 8

      // #END
      expect(result1.index).toEqual(0);
      expect(regex.lastIndex).toEqual(2);

      expect(result2.index).toEqual(3);
      expect(regex.lastIndex).toEqual(5);

      expect(result3.index).toEqual(6);
      expect(regex.lastIndex).toEqual(8);
    });

    test("multiline", () => {
      // #TEST RegExp.multiline
      const regex1 = new RegExp('foo', 'm');
      console.log(regex1.multiline);
      // expected output: true

      const regex2 = new RegExp('bar');
      console.log(regex2.multiline);
      // expected output: false
      // #END

      expect(regex1.multiline).toEqual(true);
      expect(regex2.multiline).toEqual(false);
    });

    test("source", () => {
      // #TEST RegExp.source
      const regex1 = new RegExp('foo', 'ig');
      console.log(regex1.source);
      // expected output: "foo"

      const regex2 = new RegExp('bar');
      console.log(regex2.source);
      // expected output: "bar"

      const regex3 = /\w+/gi;
      console.log(regex3.source);
      // expected output: "\\w+"

      const regex4 = new RegExp('\\d+', 'ig');
      console.log(regex4.source);
      // expected output: "\\d+"
      // #END

      expect(regex1.source).toEqual("foo");
      expect(regex2.source).toEqual("bar");
      expect(regex3.source).toEqual("\\w+");
      expect(regex4.source).toEqual("\\d+");
    });

    test("sticky", () => {
      // #TEST RegExp.sticky
      const str1 = 'table football';
      const regex1 = new RegExp('foo', 'y');
      regex1.lastIndex = 6;

      console.log(regex1.sticky);
      // expected output: true

      console.log(regex1.test(str1));
      // expected output: true (the match starts at index 6)

      // Reset the lastIndex to test non-match
      regex1.lastIndex = 0;
      console.log(regex1.test(str1));
      // expected output: false (subsequent tests should fail since the lastIndex is at 0)
      // #END

      expect(regex1.sticky).toEqual(true);
      expect(regex1.test(str1)).toEqual(true);
      expect(regex1.test(str1)).toEqual(false);
    });

    // android 暂时不支持 unicode
    // test("unicode", () => {
    //     const regex1 = new RegExp('foo', 'u');
    //     expect(regex1.unicode).toEqual(true);
    //     const regex2 = new RegExp('bar');
    //     expect(regex2.unicode).toEqual(false);
    // })

    test('test', () => {
      // #TEST RegExp.test
      const str = 'table football';
      const regex = new RegExp('foo*');
      const globalRegex = new RegExp('foo*', 'g');

      console.log(regex.test(str));
      // expected output: true

      console.log(globalRegex.lastIndex);
      // expected output: 0

      console.log(globalRegex.test(str));
      // expected output: true

      console.log(globalRegex.lastIndex);
      // expected output: 9

      console.log(globalRegex.test(str));
      // expected output: false

      // #END

      expect(regex.test(str)).toEqual(true);
      expect(globalRegex.lastIndex).toEqual(0);
      expect(globalRegex.test(str)).toEqual(true);
      expect(globalRegex.lastIndex).toEqual(9);
      expect(globalRegex.test(str)).toEqual(false);

      const re = new RegExp('hello', 'g');
      const str1 = 'hello world';
      const str2 = 'hello there';
      expect(re.test(str1)).toEqual(true);
      expect(re.lastIndex).toEqual(5);
      expect(re.test(str2)).toEqual(false);
      expect(re.lastIndex).toEqual(0);

      const re1 = new RegExp('(\\d{3})-(\\d{2})-(\\d{4})');
      expect(re1.test('123-45-6789')).toEqual(true);
      expect(re1.test('123-45-678')).toEqual(false);

      const re2 = /^(http|https):\/\/[\w\-]+(\.[\w\-]+)*(:\d+)?(\/[\w\-./?%&=]*)?$/;
      expect(re2.test('https://www.example.com')).toEqual(true);
      expect(re2.test('http://127.0.0.1:8080')).toEqual(true);
      expect(re2.test('www.example.com')).toEqual(false);
      expect(re2.test('https:/www.example.com')).toEqual(false);
      expect(re2.test('https:/www.example.com@foo')).toEqual(false);
      expect(re2.test('123')).toEqual(false);

      const re3 = /^1[3-9]\d{9}$/;
      expect(re3.test('13912345678')).toEqual(true);
      expect(re3.test('15812345678')).toEqual(true);
      expect(re3.test('12912345678')).toEqual(false);
      expect(re3.test('1391234')).toEqual(false);
      expect(re3.test('1581234567a')).toEqual(false);

      const re4 = /[\u4E00-\u9FA5]/;
      expect(re4.test('测试')).toEqual(true);
      expect(re4.test('123')).toEqual(false);
      expect(re4.test('abc')).toEqual(false);

      const re5 = /^#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/;
      expect(re5.test('#b8b8b8')).toEqual(true);
      expect(re5.test('#b8b')).toEqual(true);
      expect(re5.test('#b8b8b81')).toEqual(false);
      expect(re5.test('#b8b8b')).toEqual(false);
      expect(re5.test('b8b8b')).toEqual(false);

      const re6 = new RegExp('hello', 'i');
      expect(re6.test('Hello')).toEqual(true);

      const re7 = new RegExp('^Hello', 'm');
      expect(re7.test('Hello\nWorld')).toEqual(true);

      // const re8 = new RegExp('\\u{1F602}', 'u');
      // expect(re8.test('😂')).toEqual(true);
      // expect(re8.test('😊')).toEqual(false);

      const re9 = new RegExp('a\\d', 'y');
      expect(re9.test('a1a2a3')).toEqual(true);
      expect(re9.test('a1a2a3')).toEqual(true);
      expect(re9.test('a1a2a3')).toEqual(true);
      expect(re9.test('a1a2a3')).toEqual(false);

      const re10 = new RegExp('^foo.bar$', 's');
      expect(re10.test('foo\nbar')).toEqual(true);

      // const re11 = /(?=a)?b/;
      // expect(re11.test("b")).toEqual(true);

      const isValidIdentifierName = (str : string) : boolean => {
        const reg =
          /^(?!(?:break|case|catch)$)[$_\p{ID_Start}][$\u200c\u200d\p{ID_Continue}]*$/u;
        return reg.test(str);
      }
      expect(isValidIdentifierName("break")).toEqual(false);
      expect(isValidIdentifierName("foo")).toEqual(true);
      expect(isValidIdentifierName("cases")).toEqual(true);

      const isASCIIIDPart = (char : string) : boolean => {
        return /^(?=\p{ASCII}$)\p{ID_Start}$/u.test(char);
      }
      expect(isASCIIIDPart("a")).toEqual(true);
      expect(isASCIIIDPart("α")).toEqual(false);
      expect(isASCIIIDPart(":")).toEqual(false);
    })
    test('exec', () => {
      const pattern = new RegExp('hello');
      const result = pattern.exec('hi there');
      expect(result).toEqual(null);

      // #TEST RegExp.exec
      const pattern1 = new RegExp('hello');
      const result1 = pattern1.exec('hello world')!;
      console.log(result1[0]) //'hello'
      console.log(result1.index) //0
      // #END

      expect(result1[0]).toEqual('hello');
      expect(result1.index).toEqual(0);
      expect(result1.input).toEqual("hello world");

      const pattern2 = /quick\s(?<color>brown).+?(jumps)/igd;
      const result2 = pattern2.exec('The Quick Brown Fox Jumps Over The Lazy Dog')!;
      expect(result2[0]).toEqual("Quick Brown Fox Jumps");
      expect(result2[1]).toEqual("Brown");
      expect(result2[2]).toEqual("Jumps");
      expect(result2.index).toEqual(4);
      expect(result2.input).toEqual("The Quick Brown Fox Jumps Over The Lazy Dog");
      // expect(result2.groups).toEqual({color: "Brown"});

      const pattern3 = /(\d{4})-(\d{2})-(\d{2})/g;
      const result3 = pattern3.exec("2023-02-01")!;
      expect(result3[0]).toEqual("2023-02-01");
      expect(result3[1]).toEqual("2023");
      expect(result3[2]).toEqual("02");
      expect(result3[3]).toEqual("01");
      expect(result3.index).toEqual(0);
      expect(result3.input).toEqual("2023-02-01");

      const pattern4 = /(?=(a+))a*b\1/;
      const result4 = pattern4.exec("baabac")!;
      expect(result4[0]).toEqual("aba");
      expect(result4[1]).toEqual("a");
      expect(result4.index).toEqual(2);
      expect(result4.input).toEqual("baabac");

      const pattern5 = /(.*?)a(?!(a+)b\1c)\1(.*)/;
      const result5 = pattern5.exec("baaabaac")!;
      expect(result5[0]).toEqual("baaabaac");
      expect(result5[1]).toEqual("baa");
      expect(result5[3]).toEqual("c");
      expect(result5.index).toEqual(0);

      const pattern6 = /^.*?(?=[,.])/;
      const result6 = pattern6.exec("Hello, world!")!;
      expect(result6[0]).toEqual("Hello");

      const pattern7 = /\d{4}-(?=\d{2}-\d{2})\d{2}-\d{2}/;
      const result7 = pattern7.exec('2023/05-26');
      expect(result7).toEqual(null);


      const pattern8 = /https:\/\/(?!\w+\.(com|net))\w+\.\w+/;
      const result8 = pattern8.exec('https://example.org')!;
      expect(result8[0]).toEqual('https://example.org');

      // #ifndef WEB
      // 目前的测试环境safari版本为15，不支持?<
      const pattern9 = /(?<=@)\w+/;
      const result9 = pattern9.exec('Email: john@example.com')!;
      expect(result9[0]).toEqual('example');

      const pattern10 = /(?<!@)\w+/;
      const result10 = pattern10.exec('Username: john')!;
      expect(result10[0]).toEqual('Username');
      // #endif


      const CHUNK_REGEXP =
        /^(\S*)?\s*(\d*\.?\d+(?:ms|s)?)?\s*(\S*)?\s*(\d*\.?\d+(?:ms|s)?)?$/
      const match2 = CHUNK_REGEXP.exec('none')
      expect(match2![0]).toEqual("none");
      expect(match2![1]).toEqual("none");
      // expect(JSON.stringify(match2![2])).toEqual("null");
      // expect(JSON.stringify(match2![3])).toEqual("null");
      // expect(JSON.stringify(match2![4])).toEqual("null");

    })
  })
}