// Copyright (c) 2012, 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' as dom;

import 'package:expect/minitest.dart';

// Defined in dom.Window.
get navigator => "Dummy";

$eq(x, y) => false;
$eq$(x, y) => false;

main() {
  var win = dom.window;

  test('windowMethod', () {
      final message = navigator;
      final x = win.navigator;
      expect(x, notEquals(message));
    });

  test('windowEquals', () {
      expect($eq(win, win), isFalse);
      expect(win == win, isTrue);
    });

  test('windowEquals', () {
      expect($eq$(win, win), isFalse);
      expect(win == win, isTrue);
    });
}
