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 field = "" 18} 19 20let a: A = { 21 field: "1", 22 "field": '2', 23} 24 25let b: A = { 26 field: "1", 27 field: "2", 28 "field": '3', 29} 30 31let c: A = { 32 "field": '2', 33 "field": '3', 34} 35 36 37/* @@? 22:5 Error TypeError: An object literal cannot have multiple properties with the same name. */ 38/* @@? 27:5 Error TypeError: An object literal cannot have multiple properties with the same name. */ 39/* @@? 28:5 Error TypeError: An object literal cannot have multiple properties with the same name. */ 40/* @@? 33:5 Error TypeError: An object literal cannot have multiple properties with the same name. */ 41