| /* |
| * 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 Test MutationEvents interfering with MutationObservers: |
| * adding nodes 'out of order' |
| */ |
| import "dart:html"; |
| import "../../../../Utils/expect.dart"; |
| import "../../../testcommon.dart"; |
| |
| main() { |
| document.body.setInnerHtml(''' |
| <div id="sandbox" style="display:none"><span></span></div> |
| ''', treeSanitizer: new NullTreeSanitizer()); |
| |
| var sandbox = document.getElementById('sandbox'); |
| var inserted = false; |
| sandbox.addEventListener('DOMNodeRemoved', (_) { |
| if (!inserted) { |
| sandbox.append(document.createElement('div')); |
| inserted = true; |
| } |
| }); |
| var observer = new MutationObserver((mutations, observer){}); |
| observer.observe(sandbox, childList: true); |
| sandbox.text = 'hello world'; |
| |
| var mutations = observer.takeRecords(); |
| shouldBe(mutations.length, 3); |
| shouldBe(mutations[0].addedNodes.length, 0); |
| shouldBe(mutations[0].removedNodes.length, 1); |
| shouldBe(mutations[0].removedNodes[0].tagName, 'SPAN'); |
| shouldBe(mutations[1].addedNodes.length, 1); |
| shouldBe(mutations[1].removedNodes.length, 0); |
| shouldBe(mutations[1].addedNodes[0].tagName, 'DIV'); |
| shouldBe(mutations[2].addedNodes.length, 1); |
| shouldBe(mutations[2].removedNodes.length, 0); |
| shouldBe(mutations[2].addedNodes[0].nodeValue, 'hello world'); |
| } |