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
16
17function force(thunk:() => number) {
18    return thunk();
19}
20
21function testConst(): void {
22    const c1 = 1;
23    const f1 = () => {
24        const c2 = c1;
25        return force(() => {
26            const c3 = c2;
27            return force(() => {
28                const c4 = c3;
29                return c1 + c2 + c3 + c4;
30            });
31        });
32    };
33    assert 4 == force(f1);
34}
35
36function testConstShadow(): void {
37    const a = 1;
38    assert 3 == force(() => {
39        const a = 2;
40        return force(() => {
41            const a = 3;
42            return force(() => a);
43        })
44    });
45}
46
47function main(): void {
48    testConst();
49    testConstShadow();
50}
51