public static void InsertTest()
        {
            Guid[]            anArray = { Guid.NewGuid(), Guid.NewGuid(), Guid.NewGuid() };
            CiccioList <Guid> col0    = new CiccioList <Guid>((IEnumerable <Guid>)anArray);
            CiccioList <Guid> col1    = new CiccioList <Guid>((IEnumerable <Guid>)anArray);
            CiccioList <Guid> col3    = new CiccioList <Guid>((IEnumerable <Guid>)anArray);

            //inserting item at the beginning.
            Guid g0 = Guid.NewGuid();

            col0.Insert(0, g0);
            Assert.Equal(g0, col0[0]);

            // inserting item in the middle
            Guid g1 = Guid.NewGuid();

            col1.Insert(1, g1);
            Assert.Equal(g1, col1[1]);

            // inserting item at the end.
            Guid g3 = Guid.NewGuid();

            col3.Insert(col3.Count, g3);
            Assert.Equal(g3, col3[col3.Count - 1]);

            string[]            anArrayString         = new string[] { "one", "two", "three", "four" };
            CiccioList <string> collection            = new CiccioList <string>((IEnumerable <string>)anArrayString);
            CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();

            helper.AddOrInsertItemTest(collection, "seven", 2);
            helper.AddOrInsertItemTest(collection, "zero", 0);
            helper.AddOrInsertItemTest(collection, "eight", collection.Count);
        }
        public static void AddTest()
        {
            string[]            anArray = { "one", "two", "three" };
            CiccioList <string> col     = new CiccioList <string>(anArray);
            CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();

            helper.AddOrInsertItemTest(col, "four");
        }