import { describe, test, expect, Result } from './tests.uts' //@UTSAndroid.Suppress("IMPLICIT_BOXING_IN_IDENTITY_EQUALS") export function testNumber() : Result { return describe("Number", () => { test('toFixed', () => { // #TEST Number.toFixed function financial(x : Number) : String { return x.toFixed(2); } console.log(financial(123.456)); // expected output: "123.46" console.log(financial(0.004)); // expected output: "0.00" // #END expect(financial(123.456)).toEqual('123.46'); expect(financial(0.004)).toEqual("0.00"); expect(financial(0)).toEqual("0.00"); expect(financial(1)).toEqual("1.00"); let num1 : number = -1.1 / 0.1 let num2 : number = -1.1 / 0.1 let num3 : number = -1.1 / -0.1 console.warn(num1) console.warn(num2) console.warn(num3) let obj = { "id": "3be2c600-894c-4231-aa56-82fd989cc961", "result": { "result": [num1, num2, num3] } } console.log(JSON.stringify(obj)) expect(123456.789.toFixed(2)).toEqual("123456.79"); expect(12345600123.789123.toFixed(2)).toEqual("12345600123.79"); expect((-123456.789).toFixed(5)).toEqual("-123456.78900"); expect(parseFloat("16688995566.369").toFixed(3)).toEqual("16688995566.369"); // #ifdef APP-ANDROID // android 专有数据类型 let a1 = 56 let a2 = -122 expect(a1.toByte().toFixed(2)).toEqual("56.00"); expect(a2.toByte().toFixed(2)).toEqual("-122.00"); expect(a1.toShort().toFixed(5)).toEqual("56.00000"); expect(a2.toShort().toFixed(5)).toEqual("-122.00000"); // #endif /** * add since 2023-11-21 * 发现部分场景在android 6 以下与web有差异,新增以下示例 */ let r = 2.449999999999999999; let t1 = r.toFixed(1); expect(t1).toEqual("2.5"); let r2 = 2.4499999999999999; let t2 = r2.toFixed(1); expect(t2).toEqual("2.4"); let r3 = -9007199254740991; let t3 = r3.toFixed(15); expect(t3).toEqual("-9007199254740991.000000000000000"); }) test('isFinite', () => { expect(isFinite(1000 / 1)).toEqual(true); expect(isFinite(910)).toEqual(true); expect(isFinite(0)).toEqual(true); // #ifdef APP-ANDROID let aj2 = JSON.parse('{"a":1}') as UTSJSONObject; let aNumber = aj2['a'] as UTSNumber expect(isFinite(aNumber)).toEqual(true); expect(UTSNumber.isFinite(aNumber)).toEqual(true); expect(UTSNumber.isFinite(11.00)).toEqual(true); expect(UTSNumber.isFinite(Double.POSITIVE_INFINITY)).toEqual(false); // #endif }) test('number-from-json-parse', () => { type A = { a:number } let aj = JSON.parse('{"a":1}'); expect(aj?.a == 1).toEqual(true); expect(aj?.a == 1 as number).toEqual(true); expect(aj?.a == 1.0).toEqual(true); expect(aj?.a == 1.0 as number).toEqual(true); // #ifdef APP-ANDROID expect(numberEquals(aj?.a,1)).toEqual(true); expect(numberEquals(aj?.a,1 as number)).toEqual(true); expect(numberEquals(aj?.a,1.0)).toEqual(true); expect(numberEquals(aj?.a,1.0 as number)).toEqual(true); let ki:Int = 1; let kd:Double = 1.0; let kf:Float = (1.0).toFloat(); expect(aj?.a == ki).toEqual(true); expect(aj?.a == kd).toEqual(true); expect(aj?.a == kf).toEqual(true); expect(aj?.a === ki).toEqual(true); expect(aj?.a === kd).toEqual(true); expect(aj?.a === kf).toEqual(true); // 对比JSON.parse 和 new 得到的对象属性 let newA = A(1) expect(aj?.a == newA.a).toEqual(true); expect(aj?.a === newA.a).toEqual(true); newA.a = 1.0 expect(aj?.a == newA.a).toEqual(true); expect(aj?.a === newA.a).toEqual(true); newA.a = 1.1 expect(aj?.a == newA.a).toEqual(false); expect(aj?.a === newA.a).toEqual(false); let a10 = JSON.parse("10") let b10 = JSON.parse("10") let c10 = JSON.parse("10.0") expect(a10 == b10).toEqual(true); expect(a10 == c10).toEqual(true); let aj2 = JSON.parse('{"a":1}'); expect(aj?.a == aj2?.a).toEqual(true); // #endif }) test('isInteger', () => { expect(Number.isInteger(12)).toEqual(true); expect(Number.isInteger(12.01)).toEqual(false); expect(Number.isInteger(-213123112.01)).toEqual(false); expect(Number.isInteger(-213123112)).toEqual(true); }) test('isNaN', () => { expect(isNaN(0)).toEqual(false); // #ifdef APP-ANDROID let aj2 = JSON.parse('{"a":1}') as UTSJSONObject; let aNumber = aj2['a'] as UTSNumber expect(isNaN(aNumber)).toEqual(false); expect(UTSNumber.isNaN(aNumber)).toEqual(false); expect(UTSNumber.isNaN(11)).toEqual(false); expect(UTSNumber.isNaN(null)).toEqual(false); expect(UTSNumber.isNaN(1 / 0)).toEqual(false); // #endif }) test('toPrecision', () => { // #TEST Number.toPrecision console.log(123.456.toPrecision(4))//123.5 // #END expect(123.456.toPrecision(4)).toEqual("123.5"); expect(0.004.toPrecision(4)).toEqual("0.004000"); // expect(1.23e5.toPrecision(4)).toEqual("1.230e+5"); }) test('toString', () => { // #TEST Number.toString console.log((10).toString())//10 // #END expect((10).toString()).toEqual("10"); expect((17).toString()).toEqual("17"); expect((17.2).toString()).toEqual("17.2"); expect((6).toString(2)).toEqual("110"); expect((254).toString(16)).toEqual("fe"); expect((-10).toString(2)).toEqual("-1010"); expect((10.22).toString(8)).toEqual("12.16050753412172704"); expect((-10.22).toString(8)).toEqual("-12.16050753412172704"); expect((123456789987654).toString(16)).toEqual("7048861cc146"); expect((-0xff).toString(2)).toEqual("-11111111"); const a = 1e38 expect(a.toString(16).substring(0,12)).toEqual("4b3b4ca85a86"); expect(a.toString(16).length).toEqual(32); expect(a.toString(16).substring(23)).toEqual("000000000"); expect(a.toString(2).length).toEqual(127); expect(a.toString(2).substring(0,32)).toEqual("10010110011101101001100101010000"); expect(a.toString(2).substring(100)).toEqual("000000000000000000000000000"); const b = 1e22 const bStr12 = b.toString(12) /** * 移动端: 27373a86ba1a194a65054 * 浏览器端:27373a86ba1a195400000 */ expect(bStr12.length).toEqual(21); expect(bStr12.substring(0,14)).toEqual("27373a86ba1a19"); }) test('valueOf', () => { // #TEST Number.valueOf console.log((10).valueOf()) //10 // #END expect((10).valueOf()).toEqual(10); expect((-10.2).valueOf()).toEqual(-10.2); expect((0xf).valueOf()).toEqual(15); }) // #ifdef APP-ANDROID // 数据转换操作示例 test('toX', () => { let num = 10.123 expect(num.toInt()).toEqual(10); expect(num.toDouble()).toEqual(10.123); }) // #endif test('toInt', () => { // #ifdef APP // #TEST Number.toInt let a = 12 console.log(a.toInt()); // expected output: 12 // Int最大值2147483647,溢出了 let b = 2147483648 // expected output: -2147483648 // #END expect(a.toInt()).toEqual(12); // #endif }) test('toByte', () => { // #ifdef APP // #TEST Number.toByte let a = 12 console.log(a.toByte()); // expected output: 12 // #END expect(a.toInt()).toEqual(12); // #endif }) test('toLong', () => { // #ifdef APP // #TEST Number.toLong let a = 12 console.log(a.toLong()); // expected output: 12 // #END expect(a.toLong()).toEqual(12); // #endif }) test('from', () => { // #ifdef APP // #TEST Number.from let a = 12 let b = Number.from(a) console.log(b); // expected output: 12 // #END expect(b).toEqual(12); // #endif }) test('numberEquals', () => { let a1 = 10.123 let b1 = 10.12300 let c1 = 10.12300002 expect(a1 == b1).toEqual(true); expect(a1 === b1).toEqual(true); expect(a1 !== 10.123001).toEqual(true); expect(a1 != c1).toEqual(true); let a2 = 0 let b2 = 0.0 expect(a2 == b2).toEqual(true); expect(a2 === b2).toEqual(true); let a3 = -1000 let b3 = -1000.0 expect(a3 == b3).toEqual(true); expect(a3 === b3).toEqual(true); let a4 = 123456789123456 let b4 = 123456789123456.0 expect(a4 == b4).toEqual(true); expect(a4 === b4 * 1.0).toEqual(true); let a5 = -123456789123456 let b5 = -123456789123456.01 expect(a5 != b5).toEqual(true); expect(a5 !== b5).toEqual(true); let a6 = 246.0 / 123 * 1.0 let b6 = 2 let c6 = 2.0 expect(a6 == b6).toEqual(true); expect(b6 === c6).toEqual(true); expect(b6 !== c6 * 1.001).toEqual(true); expect(b6 != c6 * 1.001).toEqual(true); let a7 = -10 * 123.2 let b7 = - 1232 expect(a7 == b7).toEqual(true); expect(a7 != b7 * -1).toEqual(true); let a8 = -101 * 123.201 expect(a8 == -12443.301).toEqual(true); expect(a8 === -12443.301).toEqual(true); expect(a8 !== -12443.301 * 0.999).toEqual(true); expect(a8 != -12443.301 * 0.999999).toEqual(true); let a9 = -0.02 * -123456 expect(a9 == 2469.12).toEqual(true); expect(a9 === 2469.12).toEqual(true); expect(a9 != 2469.1201).toEqual(true); let a10 = 123456789123456.123456789123456 let b10 = 123456789123456.123456789123456000000 expect(a10 == b10).toEqual(true); expect(a10 === b10).toEqual(true); }) }) }