1/* 2 * Copyright (c) 2024-2025 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 */ 15interface C { 16 readonly age:number 17} 18interface B { 19 readonly Age1:C 20} 21interface A { 22 readonly name:string 23 readonly Age:B 24} 25function main() { 26 let a:A = {Age:{Age1:{age:20}}, name:"John"} 27 assertEQ(a.Age.Age1.age, 20) 28} 29