|  | // Copyright (c) 2013, 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. | 
|  |  | 
|  | import 'dart:html'; | 
|  |  | 
|  | import 'package:expect/legacy/minitest.dart'; // ignore: deprecated_member_use_from_same_package | 
|  |  | 
|  | main() { | 
|  | test('relatedTarget', () { | 
|  | var event = new MouseEvent('mouseout'); | 
|  | expect(event.relatedTarget, isNull); | 
|  |  | 
|  | event = new MouseEvent('mouseout', relatedTarget: document.body); | 
|  | expect(event.relatedTarget, document.body); | 
|  | }); | 
|  | } |