public virtual void TestIterator()
{
Assert.IsTrue(set.Add("item1"));
Assert.IsTrue(set.Add("item2"));
Assert.IsTrue(set.Add("item3"));
Assert.IsTrue(set.Add("item4"));
IEnumerator iter = set.GetEnumerator();
iter.MoveNext();
Assert.IsTrue(((string)iter.Current).StartsWith("item"));
iter.MoveNext();
Assert.IsTrue(((string)iter.Current).StartsWith("item"));
iter.MoveNext();
Assert.IsTrue(((string)iter.Current).StartsWith("item"));
iter.MoveNext();
Assert.IsTrue(((string)iter.Current).StartsWith("item"));
Assert.IsFalse(iter.MoveNext());
}
