| // Copyright (c) 2012, 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 'package:scheduled_test/scheduled_test.dart'; |
| |
| import '../utils.dart'; |
| |
| void sharedTests() { |
| test('ready does not complete until after subscription', () { |
| var watcher = createWatcher(waitForReady: false); |
| |
| var ready = false; |
| watcher.ready.then((_) { |
| ready = true; |
| }); |
| |
| // Should not be ready yet. |
| schedule(() { |
| expect(ready, isFalse); |
| }); |
| |
| // Subscribe to the events. |
| schedule(() { |
| var subscription = watcher.events.listen((event) {}); |
| |
| currentSchedule.onComplete.schedule(() { |
| subscription.cancel(); |
| }); |
| }); |
| |
| // Should eventually be ready. |
| schedule(() => watcher.ready); |
| |
| schedule(() { |
| expect(ready, isTrue); |
| }); |
| }); |
| |
| test('ready completes immediately when already ready', () { |
| var watcher = createWatcher(waitForReady: false); |
| |
| // Subscribe to the events. |
| schedule(() { |
| var subscription = watcher.events.listen((event) {}); |
| |
| currentSchedule.onComplete.schedule(() { |
| subscription.cancel(); |
| }); |
| }); |
| |
| // Should eventually be ready. |
| schedule(() => watcher.ready); |
| |
| // Now ready should be a future that immediately completes. |
| var ready = false; |
| schedule(() { |
| watcher.ready.then((_) { |
| ready = true; |
| }); |
| }); |
| |
| schedule(() { |
| expect(ready, isTrue); |
| }); |
| }); |
| |
| test('ready returns a future that does not complete after unsubscribing', () { |
| var watcher = createWatcher(waitForReady: false); |
| |
| // Subscribe to the events. |
| var subscription; |
| schedule(() { |
| subscription = watcher.events.listen((event) {}); |
| }); |
| |
| var ready = false; |
| |
| // Wait until ready. |
| schedule(() => watcher.ready); |
| |
| // Now unsubscribe. |
| schedule(() { |
| subscription.cancel(); |
| |
| // Track when it's ready again. |
| ready = false; |
| watcher.ready.then((_) { |
| ready = true; |
| }); |
| }); |
| |
| // Should be back to not ready. |
| schedule(() { |
| expect(ready, isFalse); |
| }); |
| }); |
| } |