public void DoublePopOnSingletonListYieldsException()
{
PersistentList p = new PersistentList("abc");
IPersistentStack s = p.pop().pop();
}
public void PopOnSingletonListYieldsEmptyList()
{
PersistentList p = new PersistentList("abc");
IPersistentStack s = p.pop();
Expect(s.count(), EqualTo(0));
}
