| /* |
| * 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 WindowBase get contentWindow |
| * @description Checks that the property is of type WindowBase. |
| * @issue #16937 |
| */ |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| IFrameElement ife = new IFrameElement(); |
| document.body?.append(ife); |
| WindowBase? nw = ife.contentWindow; |
| Expect.isNotNull(nw); |
| } |