| // Copyright (c) 2011, 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 |
| |
| /// @assertion bool isBroadcast |
| /// Reports whether this stream is a broadcast stream. |
| /// @description Checks true is returned for a broadcast stream. |
| /// @author kaigorodov |
| |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| class MyStream<T> extends Stream<T> { |
| StreamSubscription<T> listen(void onData(T event), |
| {Function onError, void onDone(), bool cancelOnError}) |
| { |
| return null; |
| } |
| } |
| |
| main() { |
| Stream s = new MyStream().asBroadcastStream(); |
| |
| Expect.isTrue(s.isBroadcast); |
| } |
| |