| // 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. |
| |
| /// @assertion bool isPaused |
| /// Whether the subscription would need to buffer events. |
| /// This is the case if the controller's stream has a listener and it is paused, |
| /// or if it has not received a listener yet. In that case, the controller is |
| /// considered paused as well. |
| /// A broadcast stream controller is never considered paused. |
| /// |
| /// @description Checks that if the controller's stream has a listener and it is |
| /// paused, isPaused returns true. |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| StreamController controller = new StreamController(); |
| List events1 = new List.empty(growable: true); |
| StreamSubscription ss = controller.stream.listen( |
| (event) {events1.add(event);} |
| ); |
| ss.pause(); |
| Expect.isTrue(controller.isPaused); |
| |
| controller.close(); |
| } |