| // 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 Node append(Node newChild) |
| /// If the node already exists in this document, it will be removed from its |
| /// current parent node, then added to this node. |
| /// @description Checks that existing node will be removed before append even if |
| /// it is not a direct child of this node. |
| |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var x = new Element.html('<span><button><div></div></button></span>'); |
| var y = x.querySelector('div'); |
| if (y != null) { |
| Expect.isNotNull(x.firstChild?.firstChild); |
| |
| x.append(y); |
| |
| Expect.isNull(x.firstChild?.firstChild); |
| |
| Expect.equals(y, x.lastChild); |
| } else { |
| Expect.fail("No 'div' element found"); |
| } |
| } |