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1/*
2 * Copyright (c) 2022-2025 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
16/*---
17 desc: 10.06 Interface Method Declarations
18 name: 10.interfaces/10.06.interface_method _declarations/10.06.02_inheritance_and_overriding/interface_overriding_04
19 tags: []
20 ---*/
21
22interface A {
23  foo(): A
24}
25
26interface B {
27  foo(): B
28
29  bar(): B
30}
31
32interface AA extends A, B {
33  foo(): AA
34
35  bar(): AA
36}
37
38class C implements AA {
39  private value: string = "";
40
41  foo(): AA {
42    this.value = "foo(): AA"
43    return new C();
44  }
45
46  bar(): AA {
47    this.value = "bar(): AA"
48    return new C();
49  }
50
51  getValue(): string {
52    return this.value;
53  }
54}
55
56function main() {
57  let c = new C()
58  c.foo()
59  assertEQ( c.getValue(), "foo(): AA")
60}
61
62
63