| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion final Document ownerDocument |
| /// The document this node belongs to. |
| /// MDN: If this property is used on a node that is itself a document, the result is null. |
| /// Returns null if this node does not belong to any document. |
| /// @description Checks that document does not belong to any document. |
| |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isNull(document.ownerDocument); |
| } |
