| /* |
| * 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 final Node firstChild |
| * The first child of this node. |
| * @description Checks expected attribute values. |
| */ |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| IFrameElement iframe = new Element.html('<iframe>Content</iframe>'); |
| var ref = iframe.firstChild; |
| Expect.equals("Content", ref.toString()); |
| |
| var hr=new HRElement(); |
| iframe.insertBefore(hr, ref); |
| Expect.equals(hr, iframe.firstChild); |
| } |