public void ClosingWindows()
        {
            IBrowser b = new BrowserWrapper(new Browser(Helper.GetAllways200RequestMocker(
                                                            new List <Tuple <string, string> >()
            {
                Tuple.Create("^/otherpage", "<html></html>"),
                Tuple.Create("^.*", @"
										<html>
											<a href=""/otherpage"" target=""_blank"" id=""blanklink"">click</a>
										</html>"                                        ),
            }
                                                            )));
            var dr = new SimpleBrowserDriver((IBrowser)b);

            dr.Navigate().GoToUrl("http://blah/");
            dr.FindElement(By.Id("blanklink")).Click();
            Assert.That(dr.Url == "http://blah/");
            Assert.That(dr.WindowHandles.Count == 2);
            string otherWindowName = dr.WindowHandles.First(n => n != dr.CurrentWindowHandle);
            var    otherDr         = dr.SwitchTo().Window(otherWindowName);

            Assert.That(otherDr.Url == "http://blah/otherpage");

            // Now we will close the first window and see that everything behaves as expected
            dr.Close();
            Assert.That(otherDr.WindowHandles.Count == 1);
            Assert.That(otherDr.Url == "http://blah/otherpage");             // still there
            Assert.Throws <ObjectDisposedException>(() => { var a = dr.Url; });
        }