public void GetAllCookies()
{
driver.Url = simpleTestPage;
driver.Manage().DeleteAllCookies();
Random random = new Random();
string key1 = string.Format("key_{0}", random.Next());
string key2 = string.Format("key_{0}", random.Next());
ReadOnlyCollection<Cookie> cookies = driver.Manage().GetCookies();
int count = cookies.Count;
Cookie one = new Cookie(key1, "value");
Cookie two = new Cookie(key2, "value");
driver.Manage().AddCookie(one);
driver.Manage().AddCookie(two);
driver.Url = simpleTestPage;
cookies = driver.Manage().GetCookies();
Assert.AreEqual(count + 2, cookies.Count);
Assert.IsTrue(cookies.Contains(one));
Assert.IsTrue(cookies.Contains(two));
}