public void Clone() { HttpQueryString query = new HttpQueryString { { "rød", "grød" } }; HttpQueryString copy = query.Clone(); Assert.AreEqual(1, copy.Count); copy.Add("hello", "world"); Assert.AreEqual("grød", query["rød"]); Assert.AreEqual("grød", copy["rød"]); Assert.AreEqual(null, query["hello"]); Assert.AreEqual("world", copy["hello"]); }