| // 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. |
| |
| /** |
| * @assertion If sE is an asynchronous for loop, its associated |
| * stream subscription is canceled. |
| * |
| * @description Check that break cancels subscription to the stream associated |
| * with the asynchronous loop |
| * |
| * @author a.semenov@unipro.ru |
| */ |
| import 'dart:async'; |
| import '../../../Utils/expect.dart'; |
| |
| Future test1() async { |
| bool streamCanceled = false; |
| StreamController<String> streamController = new StreamController<String>(); |
| streamController.add('a'); |
| streamController.add('b'); |
| streamController.onCancel = () { streamCanceled = true; }; |
| await for (String s in streamController.stream) { |
| break; |
| } |
| Expect.isTrue(streamCanceled); |
| } |
| |
| Future test2() async { |
| bool streamCanceled = false; |
| StreamController<String> streamController = new StreamController<String>(); |
| streamController.add('a'); |
| streamController.add('b'); |
| streamController.onCancel = () { streamCanceled = true; }; |
| L: await for (String s in streamController.stream) { |
| break L; |
| } |
| Expect.isTrue(streamCanceled); |
| } |
| |
| main() { |
| asyncStart(); |
| Future.wait([test1(), test2()]).then((v) => asyncEnd()); |
| } |