| /* |
| * Copyright (c) 2014, 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. |
| */ |
| /** |
| * @description Inserting DocumentFragments should remove all children of the |
| * fragment before inserting the children. |
| */ |
| import "dart:html"; |
| import "../../../../Utils/expect.dart"; |
| import "../../../../Utils/async_utils.dart"; |
| import "../../../testcommon.dart"; |
| |
| main() { |
| var mutations, observer; |
| |
| createObservedFragment() { |
| var fragment = document.createDocumentFragment(); |
| fragment.append(document.createElement('b')); |
| fragment.append(document.createElement('i')); |
| observer.observe(fragment, childList: true); |
| return fragment; |
| } |
| |
| createObservedDiv() { |
| return div; |
| } |
| |
| callback(_mutations, observer) { |
| mutations = _mutations; |
| } |
| observer = new MutationObserver(callback); |
| |
| testReplaceChild() { |
| debug('Testing replaceChild'); |
| var div = document.createElement('div'); |
| div.append(document.createElement('span')); |
| observer.observe(div, childList: true); |
| div.firstChild.replaceWith(createObservedFragment()); |
| setTimeout(() { |
| shouldBe(mutations.length, 2); |
| shouldBe(mutations[0].addedNodes.length, 0); |
| shouldBe(mutations[0].removedNodes.length, 2); |
| shouldBe(mutations[1].addedNodes.length, 2); |
| shouldBe(mutations[1].removedNodes.length, 1); |
| asyncEnd(); |
| }, 0); |
| } |
| |
| testInsertBefore() { |
| debug('Testing insertBefore'); |
| var div = document.createElement('div'); |
| div.append(document.createElement('span')); |
| observer.observe(div, childList: true); |
| div.insertBefore(createObservedFragment(), div.firstChild); |
| setTimeout(() { |
| shouldBe(mutations.length, 2); |
| shouldBe(mutations[0].addedNodes.length, 0); |
| shouldBe(mutations[0].removedNodes.length, 2); |
| shouldBe(mutations[1].addedNodes.length, 2); |
| shouldBe(mutations[1].removedNodes.length, 0); |
| testReplaceChild(); |
| }, 0); |
| } |
| |
| testAppendChild() { |
| debug('Testing append'); |
| var div = document.createElement('div'); |
| observer.observe(div, childList: true); |
| div.append(createObservedFragment()); |
| setTimeout(() { |
| shouldBe(mutations.length, 2); |
| shouldBe(mutations[0].addedNodes.length, 0); |
| shouldBe(mutations[0].removedNodes.length, 2); |
| shouldBe(mutations[1].addedNodes.length, 2); |
| shouldBe(mutations[1].removedNodes.length, 0); |
| testInsertBefore(); |
| }, 0); |
| } |
| |
| asyncStart(); |
| testAppendChild(); |
| } |