13af6ab5fSopenharmony_ci/*
23af6ab5fSopenharmony_ci * Copyright (c) 2023-2024 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_ciinterface iface {
173af6ab5fSopenharmony_ci  foo(): int;
183af6ab5fSopenharmony_ci}
193af6ab5fSopenharmony_ci
203af6ab5fSopenharmony_ciclass A implements iface {
213af6ab5fSopenharmony_ci  public override foo(): int {
223af6ab5fSopenharmony_ci    return 10;
233af6ab5fSopenharmony_ci  }
243af6ab5fSopenharmony_ci}
253af6ab5fSopenharmony_ci
263af6ab5fSopenharmony_ciclass B extends A {
273af6ab5fSopenharmony_ci  public override foo(): int {
283af6ab5fSopenharmony_ci    return 20;
293af6ab5fSopenharmony_ci  }
303af6ab5fSopenharmony_ci}
313af6ab5fSopenharmony_ci
323af6ab5fSopenharmony_cifunction main() : void {
333af6ab5fSopenharmony_ci    let a : A = new A();
343af6ab5fSopenharmony_ci    let b : B = new B();
353af6ab5fSopenharmony_ci
363af6ab5fSopenharmony_ci    assert a.foo() == 10;
373af6ab5fSopenharmony_ci    assert (a as iface).foo() == 10;
383af6ab5fSopenharmony_ci    assert b.foo() == 20;
393af6ab5fSopenharmony_ci    assert (b as iface).foo() == 20;
403af6ab5fSopenharmony_ci}
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