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 16// This test checks that nested promises are returned and awaited correctly 17 18function foo(p: string): string { 19 return p + p; 20} 21 22function bar(): Promise<string> { 23 return launch foo('A'); 24} 25 26function main() { 27 let res: Promise<Promise<string>> = launch bar(); 28 assert (await res) == 'AA'; 29} 30