Number.uts

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

export function testNumber() : Result {
  return describe("Number", () => {

    test('toFixed', () => {
      function financial(x : Number) : String {
        return x.toFixed(2);
      }
      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);
    })
    
    test('number-from-json-parse', () => {
      type A = {
      	a:number
      }
      let aj = JSON.parse<A>('{"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);
      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);
      // 对比JSON.parse 和 new 得到的对象属性
      let newA = A(1)
      expect(aj?.a == newA.a).toEqual(true);
      newA.a = 1.0
      expect(aj?.a == newA.a).toEqual(true);
      newA.a = 1.1
      expect(aj?.a == newA.a).toEqual(false);
      
    })
    
    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);
    })

    test('toPrecision', () => {
      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', () => {
      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', () => {
      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('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);


    })


  })
}