1/*
2 * Copyright (c) 2021-2024 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
16let results : int[] = [0,0,0];
17let index : int = 0;
18
19class A {
20    constructor() {
21        results[index++] = 1;
22    }
23}
24
25class B extends A {
26    constructor() {
27        super();
28        results[index++] = 2;
29    }
30}
31
32class C extends B {
33    constructor() {
34        results[index++] = 3;
35    }
36}
37
38final class D extends C {}
39
40function main() : void {
41    results = [0, 0, 0];
42    index = 0;
43
44    let a = new A();
45    assert (results[0] == 1 && results[1] == 0 && results[2] == 0 && index == 1);
46
47    results = [0,0,0,0];
48    index = 0;
49    let b = new B();
50    assert (results[0] == 1 && results[1] == 2 && results[2] == 0 && index == 2);
51
52    results = [0,0,0,0];
53    index = 0;
54    let c = new C();
55    assert (results[0] == 1 && results[1] == 2 && results[2] == 3 && index == 3);
56
57    results = [0,0,0,0];
58    index = 0;
59    let d = new D();
60    assert (results[0] == 1 && results[1] == 2 && results[2] == 3 && index == 3);
61}
62