| // Copyright (c) 2022, 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. |
| |
| import 'dart:async'; |
| |
| import 'package:expect/expect.dart'; |
| |
| late StreamSubscription sub; |
| |
| main() async { |
| sub = foo().listen((_) => throw 'unexpected item'); |
| } |
| |
| Stream<int> foo() async* { |
| // While the generator (i.e. this funtion) runs, we cancel the consumer and |
| // try to yield more. |
| sub.cancel(); |
| yield* Stream.fromIterable([1, 2, 3]); |
| throw 'should not run'; |
| } |
