| /* |
| * Copyright (c) 2013, 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. |
| */ |
| /* |
| * Portions of this test are derived from code under the following license: |
| * |
| * Web-platform-tests are covered by the dual-licensing approach described in: |
| * http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html |
| */ |
| /** |
| * @assertion Extensions to Element Interface: |
| * shadowRoot of type ShadowRoot |
| */ |
| |
| import 'dart:html'; |
| import "../../../../../Utils/expect.dart"; |
| import '../../../testcommon.dart'; |
| |
| main() { |
| var d = newHTMLDocument(); |
| |
| var host = d.createElement('div'); |
| d.body.append(host); |
| |
| //old tree |
| var s1 = createSR(host); |
| //young tree |
| var s2 = createSR(host); |
| |
| assert_equals(host.shadowRoot, s2, 'attribute shadowRoot must return the youngest tree that has ' + |
| 'the context object as its shadow host'); |
| } |
