1/* 2 * Copyright (c) 2021 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/* 17 * @tc.name:wrapperclassfunc 18 * @tc.desc:test wrapper 19 * @tc.type: FUNC 20 * @tc.require: issueI5NO8G 21 */ 22(() => { 23 function WrapperFunc(propertyDesc) { 24 const method = propertyDesc.value 25 propertyDesc.value = () => { 26 print("wrapper call") 27 method() 28 } 29 } 30 function decorate(obj, key) { 31 var method = Object.getOwnPropertyDescriptor(obj, key) 32 WrapperFunc(method) 33 Object.defineProperty(obj, key, method) 34 } 35 class RawClass { 36 printString() { 37 print("raw function") 38 } 39 } 40 decorate(RawClass.prototype, "printString") 41 globalThis.cls = new RawClass() 42 globalThis.cls.printString() 43})() 44 45