1/*
2 * Copyright (c) 2023-2024 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 classVal: double = 1.1;
17
18class A {
19    public static classVal: int = 42;
20    private readonly instanceVal: int;
21
22    constructor(val: int) {
23        this.instanceVal = val;
24    }
25
26    public final getInstanceVar(): int {
27        A.classVal++;
28        classVal++;
29        return this.instanceVal;
30    }
31}
32
33final class B extends A {
34    constructor() {
35        super(69);
36        B.classVal++;
37    }
38}
39
40function main(): void {
41    classVal = 1.1;
42    A.classVal = 42;
43    assert A.classVal == 42;
44    const b = new B();
45    assert A.classVal == 43;
46    assert classVal == 1.1;
47    assert b.getInstanceVar() == 69;
48    assert classVal == 2.1;
49    assert A.classVal == 44;
50}
51