1/* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16function makeDate(timestamp: number): Date; //error 17function makeDate(m: number, d: number, y: number): Date; //error 18function makeDate(mOrTimestamp: number, d?: number, y?: number): Date { //error 19 if (d !== undefined && y !== undefined) { 20 return new Date(y, mOrTimestamp, d); 21 } else { 22 return new Date(mOrTimestamp); 23 } 24} 25const d1 = makeDate(12345678); 26const d2 = makeDate(5, 5, 5); 27const d3 = makeDate(1, 3); 28 29class Vector { 30 abstract foo(): void //error 31 abstract foo(x: string): void //error 32 abstract foo(x?: string): void { //error 33 /body/ 34 } 35 36 public fun(): void //error 37 public fun(x: string): void //error 38 public fun(x?: string): void { //error 39 /body/ 40 } 41} 42 43abstract class absClass { 44 abstract foo(): void 45 abstract foo(x: string): void 46 abstract foo(x?: string): void { 47 /body/ 48 } 49 50 constructor(x: number, y: number); //error 51 52 constructor(magnitude: number); //error 53 54 constructor(...args: number[]) { //error 55 /* ... */ 56 } 57} 58function func(){ 59 console.log("ArkTs foo4") 60} 61 62func.val = "0xff"; 63 64@Component 65struct B{ 66 constructor() { 67 super() 68 } 69 build() { 70 } 71} 72 73struct C{ 74 constructor() { //error 75 super() 76 } 77 constructor(x:number) //error 78} 79 80class A{ 81 constructor() { 82 } 83} 84class D{ 85 constructor() { //error 86 } 87 constructor(x:number) //error 88}