| // 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. |
| |
| part of observable_tests; |
| |
| 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, hasLength(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); |
| }); |
| } |