public void DoPopAsEmptyList()
{
IPersistentStack list = new PersistentList(1);
list = list.Pop();
Assert.IsNotNull(list);
Assert.AreEqual(0, list.Count);
Assert.IsInstanceOfType(list, typeof(EmptyList));
}
public void CreateListWithOneObject()
{
PersistentList list = new PersistentList(1);
Assert.IsNotNull(list);
Assert.AreEqual(1, list.Count);
Assert.IsInstanceOfType(list.First(), typeof(int));
Assert.AreEqual(1, (int)list.First());
Assert.IsNull(list.Next());
}