13af6ab5fSopenharmony_ci/*
23af6ab5fSopenharmony_ci * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License.
53af6ab5fSopenharmony_ci * You may obtain a copy of the License at
63af6ab5fSopenharmony_ci *
73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0
83af6ab5fSopenharmony_ci *
93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and
133af6ab5fSopenharmony_ci * limitations under the License.
143af6ab5fSopenharmony_ci */
153af6ab5fSopenharmony_ci
163af6ab5fSopenharmony_ciclass A {
173af6ab5fSopenharmony_ci    x(): boolean {
183af6ab5fSopenharmony_ci        return true;
193af6ab5fSopenharmony_ci    }
203af6ab5fSopenharmony_ci}
213af6ab5fSopenharmony_ci
223af6ab5fSopenharmony_ciclass C extends A {
233af6ab5fSopenharmony_ci}
243af6ab5fSopenharmony_ci
253af6ab5fSopenharmony_ciclass B extends C {
263af6ab5fSopenharmony_ci    public x: boolean;
273af6ab5fSopenharmony_ci    public getX(): boolean {
283af6ab5fSopenharmony_ci       return this.x();
293af6ab5fSopenharmony_ci    }
303af6ab5fSopenharmony_ci}
313af6ab5fSopenharmony_ci
323af6ab5fSopenharmony_cifunction main(): void {
333af6ab5fSopenharmony_ci    let instance: B = new B();
343af6ab5fSopenharmony_ci    assert instance.getX() == true;
353af6ab5fSopenharmony_ci}
363af6ab5fSopenharmony_ci
373af6ab5fSopenharmony_ci/* @@? 28:15 Error TypeError: Type 'boolean' has no call signatures.  */
383af6ab5fSopenharmony_ci/* @@? 25:17 Error TypeError: Cannot inherit from class C, because field x is inherited with a different declaration type  */
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