| // 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>') as IFrameElement; |
| var ref = iframe.firstChild; |
| Expect.equals("Content", ref.toString()); |
| |
| var hr = new HRElement(); |
| iframe.insertBefore(hr, ref); |
| Expect.equals(hr, iframe.firstChild); |
| } |