| /* |
| * 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. |
| */ |
| /** |
| * @assertion Node append(Node newChild) |
| * If the node already exists in this document, it will be removed from its |
| * current parent node, then added to this node. |
| * @description Checks that existing node will be removed before append |
| */ |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| IFrameElement x=new IFrameElement(); |
| var h = new Element.html('<span><button></button></span>'); |
| var y = new Comment("cool"); |
| h.append(y); |
| Expect.equals(y, h.lastChild); |
| |
| x.append(y); |
| |
| Expect.isTrue(h.firstChild is ButtonElement); |
| Expect.equals(y, x.lastChild); |
| } |