Index: samples/tests/samples/src/lib/observable/EventBatchTests.dart |
=================================================================== |
--- samples/tests/samples/src/lib/observable/EventBatchTests.dart (revision 0) |
+++ samples/tests/samples/src/lib/observable/EventBatchTests.dart (revision 0) |
@@ -0,0 +1,38 @@ |
+// 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. |
+ |
+testEventBatch() { |
+ test('EventBatch', () { |
+ // check that all events are fired at the end. Use all record methods |
+ // in abstract observable |
+ final target = new AbstractObservable(); |
+ EventSummary res = null; |
+ target.addChangeListener((summary) { |
+ expect(res).isNull(); |
+ res = summary; |
+ expect(res).isNotNull(); |
+ }); |
+ |
+ final f = EventBatch.wrap((e) { |
+ target.recordPropertyUpdate('pM', 10, 11); |
+ target.recordPropertyUpdate('pL', '11', '13'); |
+ target.recordListUpdate(2, 'a', 'b'); |
+ target.recordListInsert(5, 'a'); |
+ target.recordListRemove(4, 'c'); |
+ target.recordGlobalChange(); |
+ }); |
+ |
+ expect(res).isNull(); |
+ f(null); |
+ expect(res).isNotNull(); |
+ |
+ expect(res.events.length).equals(6); |
+ validateUpdate(res.events[0], target, 'pM', null, 10, 11); |
+ validateUpdate(res.events[1], target, 'pL', null, '11', '13'); |
+ validateUpdate(res.events[2], target, null, 2, 'a', 'b'); |
+ validateInsert(res.events[3], target, null, 5, 'a'); |
+ validateRemove(res.events[4], target, null, 4, 'c'); |
+ validateGlobal(res.events[5], target); |
+ }); |
+} |