| // 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 Node insertAllBefore(Iterable<Node> newNodes, Node refChild) |
| /// Inserts all of the nodes into this node directly before refChild. |
| /// MDN: If referenceElement is null, newElement is inserted at the end of the |
| /// list of child nodes. |
| /// @description Checks expected dom after insert |
| |
| import "dart:html"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var x = [new Comment("cool1"), new Comment("cool2"), new Comment("cool3")]; |
| document.insertAllBefore(x, null); |
| Expect.equals(document.lastChild, x[2], 'insert before null'); |
| } |