public void CookieExists_Exists_ThrowsNotImplementedException() { CookieManager.Add("myhost2", "b", "c", "d", true, true, true, long.MaxValue); var results = CookieManager.GetCookiesFromHost("myhost2"); Assert.IsTrue(results.MoveNext()); var cookie = results.Current; Assert.Throws <NotImplementedException>(() => CookieManager.CookieExists(cookie)); }