import { describe, test, expect, expectNumber, Result } from './tests.uts' export class TInt8Array { test() { // #ifdef (UNI-APP-X && APP-ANDROID) || WEB this.testConstructor(); this.testSet(); this.testCopyWith(); this.testEvery(); this.testFill(); this.testFilter(); this.find(); this.findIndex(); this.foreach(); this.iterator(); this.includes(); this.indexOf(); this.join(); this.keys(); this.map(); this.reduce(); this.reduceRight(); this.reverse(); this.slice(); this.sort(); this.subarray(); this.values(); this.arrayBufferSlice(); //#endif } // #ifdef (UNI-APP-X && APP-ANDROID) || WEB testConstructor() { let buffer = new ArrayBuffer(16); let int8View = new Int8Array(buffer); int8View[5] = 42; expect(int8View.toString()).toEqual("0,0,0,0,0,42,0,0,0,0,0,0,0,0,0,0"); } testSet() { // #TEST Int8Array.set let int8 = new Int8Array(8); var array = [1, 2, 3]; int8.set(array, 1); console.log(int8.toString()); // "0,1,2,3,0,0,0,0" // #END expect(int8.toString()).toEqual("0,1,2,3,0,0,0,0"); } testCopyWith() { // #TEST Int8Array.copyWithin let int8 = new Int8Array(8); int8.set([1, 2, 3], 1); int8.copyWithin(3, 0, 3); console.log(int8.toString()); // "0,1,2,0,1,2,0,0" // #END expect(int8.toString()).toEqual("0,1,2,0,1,2,0,0"); } testEvery() { // #TEST Int8Array.every // const isBelowThreshold = (currentValue: number, index: number, array:Int8Array): boolean => currentValue < 40; let result = new Int8Array([12, 5, 8, 130, 44]).every((value : number, _ : number, _a : Int8Array) : boolean => value < 40 ); console.log(result); // false // #END expect(result).toEqual(false); } testFill() { // #TEST Int8Array.fill let int8 = new Int8Array([1, 2, 3]).fill(4); console.log(int8.toString()); // "4,4,4" let int8_t1 = new Int8Array([1, 2, 3]).fill(4, 1); console.log(int8_t1.toString()); // "1,4,4" let int8_t2 = new Int8Array([1, 2, 3]).fill(4, 1, 2); console.log(int8_t2.toString()); // "1,4,3" let int8_t3 = new Int8Array([1, 2, 3]).fill(4, 1, 1); console.log(int8_t3.toString()); // "1,2,3" let int8_t4 = new Int8Array([1, 2, 3]).fill(4, -3, -2); console.log(int8_t4.toString()); // "4,2,3" // #END expect(int8_t4.toString()).toEqual("4,2,3"); expect(int8.toString()).toEqual("4,4,4"); expect(int8_t1.toString()).toEqual("1,4,4"); expect(int8_t2.toString()).toEqual("1,4,3"); expect(int8_t3.toString()).toEqual("1,2,3"); } testFilter() { // #TEST Int8Array.filter // const isBelowThreshold = (currentValue: number, index: number, _): boolean => currentValue >= 10; let int8 = new Int8Array([12, 5, 8, 44]).filter((value : number, _ : number, _a : Int8Array) : boolean => value >= 10 ); console.log(int8.toString()); // "12,44" // #END expect(int8.toString()).toEqual("12,44"); } find() { // #TEST Int8Array.find let int8 = new Int8Array([4, 5, 8, 12]); let res = int8.find((value : number, _ : number, _a : Int8Array) : boolean => value > 5); console.log(res); // 8 // #END expect(res).toEqual(8); } findIndex() { // #TEST Int8Array.findIndex let int8 = new Int8Array([4, 6, 8, 12]); let res = int8.findIndex((value : number, _ : number, _a : Int8Array) : boolean => value > 100); console.log(res); // -1 int8 = new Int8Array([4, 6, 7, 120]); let res1 = int8.findIndex((value : number, _ : number, _a : Int8Array) : boolean => value > 100); console.log(res1); // 3 // #END expect(res1).toEqual(3); expect(res).toEqual(-1); } foreach() { // #TEST Int8Array.forEach new Int8Array([0, 1, 2, 3]).forEach((value : number, index : number, _a : Int8Array) => { console.log(`a[${index}] = ${value}`); }); // #END } iterator() { // #TEST Int8Array.entries let arr = new Int8Array([10, 20, 30, 40, 50]); let entries = arr.entries(); let ret1 = entries.next().value[1] let ret2 = entries.next().value[1] console.log(ret1); // Output: 10 console.log(ret2); // Output: 20 // #END expect(ret1).toEqual(10); expect(ret2).toEqual(20); } includes() { // #TEST Int8Array.includes let int8 = new Int8Array([1, 2, 3]); let res = int8.includes(2); console.log(res); // Output: true let res1 = int8.includes(4); console.log(res1); // Output: false let res2 = int8.includes(3, 3); console.log(res2); // Output: false // #END expect(res).toEqual(true); expect(res1).toEqual(false); expect(res2).toEqual(false); } indexOf() { // #TEST Int8Array.indexOf let int8 = new Int8Array([2, 5, 9]); let res = int8.indexOf(2); console.log(res); // Output: 0 let res1 = int8.indexOf(7); console.log(res1); // Output: -1 let res2 = int8.indexOf(9, 2); console.log(res2); // Output: 2 let res3 = int8.indexOf(2, -1); console.log(res3); // Output: -1 let res4 = int8.indexOf(2, -3); console.log(res4); // Output: 0 // #END expect(res).toEqual(0); expect(res1).toEqual(-1); expect(res2).toEqual(2); expect(res3).toEqual(-1); expect(res4).toEqual(0); } join() { // #TEST Int8Array.join let int8 = new Int8Array([1, 2, 3]); let res = int8.join(); console.log(res); // Output: "1,2,3" let res1 = int8.join(" / "); console.log(res1); // Output: "1 / 2 / 3" let res2 = int8.join(""); console.log(res2); // Output: "123" // #END expect(res2).toEqual("123"); expect(res).toEqual("1,2,3"); expect(res1).toEqual("1 / 2 / 3"); } keys() { // #TEST Int8Array.keys let arr = new Int8Array([10, 20, 30, 40, 50]); let keys = arr.keys(); let value1 = keys.next().value let value2 = keys.next().value let value3 = keys.next().value let value4 = keys.next().value let value5 = keys.next().value console.log(value1); // Output: 0 console.log(value2); // Output: 1 console.log(value3); // Output: 2 console.log(value4); // Output: 3 console.log(value5); // Output: 4 // #END expect(value1).toEqual(0); expect(value2).toEqual(1); expect(value3).toEqual(2); expect(value4).toEqual(3); expect(value5).toEqual(4); } map() { // #TEST Int8Array.map let numbers = new Int8Array([1, 4, 9]); let doubles = numbers.map((value : number, _ : number, _a : Int8Array) : number => value * 2); console.log(numbers.toString()); // Output: "1,4,9" console.log(doubles.toString()); // Output: "2,8,18" // #END expect(numbers.toString()).toEqual("1,4,9"); expect(doubles.toString()).toEqual("2,8,18"); } reduce() { // #TEST Int8Array.reduce let total = new Int8Array([0, 1, 2, 3]); let res = total.reduce((accumulator : number, currentValue : number, _ : number, _a : Int8Array) : number => accumulator + currentValue); console.log(res); // Output: 6 total = new Int8Array([0, 1, 2, 3]); let res1 = total.reduce((accumulator : number, currentValue : number, _ : number, _a : Int8Array) : number => accumulator + currentValue, 8); console.log(res1); // Output: 14 // #END expect(res1).toEqual(14); expect(res).toEqual(6); } reduceRight() { // #TEST Int8Array.reduceRight let total = new Int8Array([0, 1, 2, 3]); let res = total.reduceRight((accumulator : number, currentValue : number, _ : number, _a : Int8Array) : number => accumulator + currentValue); console.log(res); // Output: 6 total = new Int8Array([0, 1, 2, 3]); let res1 = total.reduceRight((accumulator : number, currentValue : number, _ : number, _a : Int8Array) : number => accumulator + currentValue, 8); console.log(res1); // Output: 14 // #END expect(res1).toEqual(14); expect(res).toEqual(6); } reverse() { // #TEST Int8Array.reverse let int8 = new Int8Array([1, 2, 3]); int8.reverse(); console.log(int8.toString()); // Output: "3,2,1" // #END expect(int8.toString()).toEqual("3,2,1"); } slice() { // #TEST Int8Array.slice let int8 = new Int8Array([1, 2, 3]); let res = int8.slice(1); console.log(res.toString()); // Output: "2,3" let res1 = int8.slice(2); console.log(res1.toString()); // Output: "3" let res2 = int8.slice(-2); console.log(res2.toString()); // Output: "2,3" let res3 = int8.slice(0, 1); console.log(res3.toString()); // Output: "1" // #END expect(res3.toString()).toEqual("1"); expect(res.toString()).toEqual("2,3"); expect(res1.toString()).toEqual("3"); expect(res2.toString()).toEqual("2,3"); } sort() { // #TEST Int8Array.sort let numbers = new Int8Array([40, 1, 5]); numbers.sort(); console.log(numbers.toString()); // Output: "1,5,40" let res = numbers.toString() numbers.sort((a, b) : number => a - b); console.log(numbers.toString()); // Output: "1,5,40" // #END expect(numbers.toString()).toEqual("1,5,40"); expect(res).toEqual("1,5,40"); } subarray() { // #TEST Int8Array.subarray let buffer = new ArrayBuffer(8); let int8 = new Int8Array(buffer); int8.set([1, 2, 3]); console.log(int8.toString()); // Output: "1,2,3,0,0,0,0,0" let sub = int8.subarray(0, 4); console.log(sub.toString()); // Output: "1,2,3,0" // #END expect(sub.toString()).toEqual("1,2,3,0"); expect(int8.toString()).toEqual("1,2,3,0,0,0,0,0"); } values() { // #TEST Int8Array.values let arr = new Int8Array([1, 2, 3]); let values = arr.values(); let value1 = values.next().value let value2 = values.next().value let value3 = values.next().value console.log(value1); // Output: 1 console.log(value2); // Output: 2 console.log(value3); // Output: 3 // #END expect(value1).toEqual(1); expect(value2).toEqual(2); expect(value3).toEqual(3); } arrayBufferSlice() { // #TEST ArrayBuffer.slice let buffer = new ArrayBuffer(16); let int8 = new Int8Array(buffer); int8[4] = 42; console.log(int8.toString()); // Output: "0,0,0,0,42,0,0,0,0,0,0,0,0,0,0,0" let res = buffer.slice(4, 5); let sliced = new Int8Array(res); console.log(sliced[0]); // Output: 42 // #END expect(sliced[0]).toEqual(42); expect(int8.toString()).toEqual("0,0,0,0,42,0,0,0,0,0,0,0,0,0,0,0"); } testSome() { // #TEST Int8Array.some const int8 = new Int8Array([-10, 20, -30, 40, -50]); const positives = new Int8Array([10, 20, 30, 40, 50]); let res = int8.some((element : number, index : number, array : Int8Array) : boolean => element < 0 ); console.log(res); // Output: true let res1 = positives.some((element : number, index : number, array : Int8Array) : boolean => element < 0 ); console.log(res1); // Output: false // #END expect(res1).toEqual(false); expect(res).toEqual(true); } // #endif }