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 foo(): string { 18 return new B().getData((a:A|string)=> {}, "hello") 19 } 20} 21 22class B { 23 getData(a:((a:A|string)=>void)|Object|undefined, param?:string) : string { 24 return (param as string) 25 } 26} 27 28function main() { 29 let s = new A().foo() 30 assertEQ(s, "hello") 31 32} 33