| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| // Regression test for issue dartbug.com/24392 |
| |
| import 'package:expect/expect.dart'; |
| import 'dart:async'; |
| |
| Future<int> f() async { |
| // Unreachable. |
| Expect.isTrue(false); |
| } |
| |
| main() async { |
| int x = 1; |
| x ??= await f(); |
| Expect.equals(1, x); |
| |
| int y = 1; |
| y = y ?? await f(); |
| Expect.equals(1, y); |
| } |