1/* 2* Copyright (c) Microsoft Corporation. All rights reserved. 3* Copyright (c) 2023 Huawei Device Co., Ltd. 4* Licensed under the Apache License, Version 2.0 (the "License"); 5* you may not use this file except in compliance with the License. 6* You may obtain a copy of the License at 7* 8* http://www.apache.org/licenses/LICENSE-2.0 9* 10* Unless required by applicable law or agreed to in writing, software 11* distributed under the License is distributed on an "AS IS" BASIS, 12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13* See the License for the specific language governing permissions and 14* limitations under the License. 15* 16* This file has been modified by Huawei to verify type inference by adding verification statements. 17*/ 18 19// === tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithMultipleBases3.ts === 20declare function AssertType(value:any, type:string):void; 21 22// merged interfaces behave as if all extends clauses from each declaration are merged together 23// no errors expected 24 25class C<T> { 26 a: T; 27} 28 29class C2<T> { 30 b: T; 31} 32 33class C3<T> { 34 c: T; 35} 36 37class C4<T> { 38 d: T; 39} 40 41interface A<T> extends C<string>, C3<string> { 42 y: T; 43} 44 45interface A<T> extends C<string>, C4<string> { 46 z: T; 47} 48 49class D implements A<boolean> { 50 a: string; 51 b: Date; 52 c: string; 53 d: string; 54 y: boolean; 55 z: boolean; 56} 57 58