public void IgnoreCaseIgnoresCase()
        {
            SynchronizedHashtable st = new SynchronizedHashtable(true);

            st.Add("key", "value");
            Assert.AreEqual("value", st["KEY"]);
            st["KeY"] = "value2";
            Assert.AreEqual(1, st.Count);
            Assert.AreEqual("value2", st["key"]);

            try
            {
                st.Add("KEY", "value2");
                Assert.Fail();
            }
            catch (ArgumentException)
            {}

            Hashtable ht = new Hashtable();

            ht.Add("key", "value");
            ht.Add("KEY", "value");
            try
            {
                st = new SynchronizedHashtable(ht, true);
                Assert.Fail();
            }
            catch (ArgumentException)
            {}
        }
        public void DefaultsToCaseSensitive()
        {
            SynchronizedHashtable st = new SynchronizedHashtable();

            st.Add("key", "value");
            st.Add("KEY", "value");
            Assert.AreEqual(2, st.Count);
        }
        public void BehavesLikeHashtable()
        {
            SynchronizedHashtable st = new SynchronizedHashtable();

            st.Add("key", "value");
            Assert.AreEqual("value", st["key"]);
            st["key"] = "value2";
            Assert.AreEqual("value2", st["key"]);
            st["key2"] = "value3";
            Assert.AreEqual("value3", st["key2"]);

            try
            {
                st.Add("key", "value4");
                Assert.Fail();
            }
            catch (ArgumentException)
            {}

            Assert.AreEqual(2, st.Count);
        }