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))
			
        })
		
		test('parseInt', () => {
		    expect(parseInt("123.456")).toEqual(123);
		})
		test('parseFloat', () => {
			expect(parseFloat("11.20")).toEqual(11.2);
		})
		
		test('isFinite', () => {
		    expect(isFinite(1000 / 1)).toEqual(true);
			expect(isFinite(910)).toEqual(true);
			expect(isFinite(0)).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((-0xff).toString(2)).toEqual("-11111111");
		})
		
		test('valueOf', () => {
			expect((10).valueOf()).toEqual(10);
			expect((-10.2).valueOf()).toEqual(-10.2);
			expect((0xf).valueOf()).toEqual(15);
		})
		
		// 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);
		})
		
		test('numberEquals', () => {
			let a1 = 10.123
			let b1 = 10.12300
			expect(a1 == b1).toEqual(true);
			let a2 = 0
			let b2 = 0.0
			expect(a2 == b2).toEqual(true);
			
			let a3 = -1000
			let b3 = -1000.0
			expect(a3 == b3).toEqual(true);
			
			let a4 = 123456789123456
			let b4 = 123456789123456.0
			expect(a4 == b4).toEqual(true);
			
			let a5 = -123456789123456
			let b5 = -123456789123456.01
			expect(a5 == b5).toEqual(false);
			
			let a6 = 246.0 / 123 * 1.0
			let b6 = 2
			let c6 = 2.0
			expect(a6 == b6).toEqual(true);
			expect(b6 == c6).toEqual(true);
			
			let a7 = -10 * 123.2
			let b7 = - 1232
			expect(a7 == b7).toEqual(true);
			
		})
		
		
    })
}