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1/*
2 * Copyright (c) 2024-2025 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: 09.05.Field_Declarations
18 name: 09.Classes/09.05.Field_Ddeclarations/class_with_optional_attributes_0006.ets
19 tags:
20 ---*/
21
22class A {
23  static foo(): number {
24    return 5
25  }
26}
27
28class B extends A {
29  foo: number = 10
30}
31
32class C {
33  foo: number = 10
34}
35
36class D extends C {
37  static foo(): number {
38    return 5
39  }
40}
41
42class E {
43  static foo(): number {
44    return 5
45  }
46  foo: number = 10
47}
48
49function main() : void {
50  assertEQ(A.foo(), 5)
51  assertEQ(B.foo(), 5)
52  assertEQ(new B().foo, 10)
53
54  assertEQ(D.foo(), 5)
55  assertEQ(new C().foo, 10)
56  assertEQ(new D().foo, 10)
57
58  assertEQ(E.foo(), 5)
59  assertEQ(new E().foo, 10)
60}