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
16function foo(flag: boolean): int {
17
18  let x: int|undefined = 0;
19  let y: int|undefined = 1;
20  let z: int|undefined = 2;
21  let w: int|undefined = 3;
22
23  try {
24    y = 1;
25    if (flag) {
26      throw new Error();
27    }
28  } catch(ex: NullPointerException) {
29    z = 2;
30  } catch(ex) {
31    w = undefined;
32  }
33
34  return x + y! + z + w!;
35}
36
37function main() {
38  let flag: boolean = false;
39  
40  assert(foo(flag) == 6);
41
42  try {
43    foo(!flag);
44  } catch(ex) {
45    flag = true;
46  }
47
48  assert(flag);
49}
50