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 16class A { 17 public field : number 18 constructor(...numbers: [number, number, number]) { 19 this.field = numbers[0] + numbers[1] + numbers[2] 20 } 21 22 constructor(a: int, ...numbers: [number, number, number]) { 23 this.field = a + numbers[0] + numbers[1] + numbers[2] 24 } 25} 26 27function main() { 28 let tuple : [number, number, number] = [30, 40, 50] 29 30 let res : A = new A(10, 20, 30) 31 let res2 : A = new A(10, 20, 30, 40) 32 33 let res3 : A = new A(...tuple) 34 let res4 : A = new A(10, ...tuple) 35 36 let res5 : A = new A(...([30, 40, 50] as [number, number, number])) 37 let res6 : A = new A(10, ...([30, 40, 50] as [number, number, number])) 38 39 assertEQ(res.field, 60) 40 assertEQ(res2.field, 100) 41 assertEQ(res3.field, 120) 42 assertEQ(res4.field, 130) 43 assertEQ(res5.field, 120) 44 assertEQ(res6.field, 130) 45} 46