1/*
2 * Copyright (c) 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 a = 0;
17
18function foo(exec?: () => void): void {
19    exec?.();
20    a += 1;
21}
22
23function bar() {
24    foo() {
25        a += 1;
26        assert a == 1;
27        foo() {
28            a += 1;
29            assert a == 2;
30            foo();
31        }
32    }
33}
34
35export function main() {
36    a = 0
37    bar();
38    assert a == 5;
39}
40