public void TestListCount()
{
CList <int> l1 = new CList <int>();
for (int i = 0; i <= 9; i++)
{
l1.Append(i);
}
l1.Append(1);
l1.Append(2);
l1.Append(8);
l1.Append(9);
l1.Append(8);
Assert.AreEqual(l1.Count(12), 0);
Assert.AreEqual(l1.Count(1), 2);
Assert.AreEqual(l1.Count(8), 3);
}