1/* 2 * Copyright (c) 2023 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 16declare function print(arg: any): string; 17declare class ArkTools { 18 static isNotHoleProperty(obj: object, key: string): boolean; 19} 20 21class C { 22 x: number = 1; 23 y: string; 24 constructor() { 25 this.y = "abc"; 26 } 27} 28 29class D extends C { 30 z: number = 2; 31 t: string; 32 constructor() { 33 super(); 34 this.t = "bcd"; 35 } 36} 37 38function test(): void { 39 let c = new C(); 40 print(ArkTools.isNotHoleProperty(c, "x")); 41 print(ArkTools.isNotHoleProperty(c, "y")); 42 43 let d = new D(); 44 print(ArkTools.isNotHoleProperty(d, "x")); 45 print(ArkTools.isNotHoleProperty(d, "y")); 46 print(ArkTools.isNotHoleProperty(d, "z")); 47 print(ArkTools.isNotHoleProperty(d, "t")); 48} 49 50test(); 51