| // 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 void remove() |
| /// Removes this node from the DOM |
| /// @description Checks expected dom after removal |
| |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| void printEl(String name, var x) { |
| if (x is HtmlElement) { |
| print("$name=${x.runtimeType} ${x.toString()} innerHtml=${x.innerHtml}"); |
| } else { |
| print("$name=${x.runtimeType} ${x.toString()}"); |
| } |
| } |
| |
| main() { |
| IFrameElement x = new Element.html('<iframe>Content</iframe>'); |
| |
| var y = x.firstChild; |
| printEl("y", y); |
| y.remove(); |
| Expect.isNull(x.firstChild, 'removal of the only child'); |
| |
| //------- |
| x = new Element.html('<iframe>Content</iframe>'); |
| x.insertBefore(new DivElement(), x.firstChild); |
| var div = x.firstChild; |
| div.remove(); |
| Expect.isTrue(x.firstChild is Text, 'removal of one of children'); |
| |
| //------- |
| x = new Element.html('<iframe>Content</iframe>'); |
| x.insertBefore( |
| new Element.html('<iframe><div><h1></h1></div><pre></pre></iframe>'), |
| x.firstChild); |
| div = x.firstChild; |
| |
| div.remove(); |
| Expect.isTrue(x.firstChild is Text, 'removal of subtree'); |
| } |