public void GetResponse_ConnectFailure_ThrowsWebException()
{
// This is an invalid IP address, so we should fail to connect.
string serverUrl = "ftp://192.0.2.1/";
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(serverUrl);
WebException ex = Assert.Throws<WebException>(() => request.GetResponse());
Assert.Equal(WebExceptionStatus.ConnectFailure, ex.Status);
}