private void MultiSetContains()
        {
            bool c;

            for (int i = 0; i < count; i++)
            {
                c = multiSet.Contains(data[i]);
            }
        }
        public void IndexerSetter()
        {
            set[0] = 40;
            Assert.AreEqual(40, set[0]);
            Assert.IsFalse(set.Contains(10));
            Assert.AreEqual(1, set.CountOf(40));
            AssertItemsOrder();

            set[0] = 30;
            Assert.AreEqual(30, set[0]);
            Assert.IsFalse(set.Contains(40));
            Assert.AreEqual(4, set.CountOf(30));
            AssertItemsOrder();

            set[1] = 30;
            Assert.AreEqual(30, set[1]);
            Assert.AreEqual(5, set.CountOf(30));
            AssertItemsOrder();
        }