1/* 2 * Copyright (c) 2024 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 foo(...n: number[]){ 18 return "A"; 19 } 20} 21 22class B extends A { 23 foo(...n: number[]){ 24 return "B"; 25 } 26} 27 28class C extends B { 29 foo(...n: number[]){ 30 return "C"; 31 } 32} 33 34function main() { 35 let a: A = new A(); 36 let b: B = new B(); 37 let c: C = new C(); 38 assert a.foo() == "A"; 39 assert a.foo(1) == "A"; 40 assert b.foo() == "B"; 41 assert b.foo(1,2) == "B"; 42 assert c.foo() == "C"; 43 assert c.foo(1,2,3) == "C"; 44}