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 main() {
17  let x1 = (): int | undefined => { return 5; }();
18  let y1: int = x1 ?? 3.1;
19  assert (y1 == 5);
20
21  let x2 = (): int | undefined => { return undefined; }();
22  let y2: int = x2 ?? 3.1;
23  assert (y2 == 3);
24
25  let x3 = (): number | undefined => { return 5; }();
26  let y3: number = x3 ?? 3;
27  assert (y3 == 5.0);
28
29  let x4 = (): number | undefined => { return undefined; }();
30  let y4: number = x4 ?? 3;
31  assert (y4 == 3.0);
32}
33