public void PeekYieldsFirstElementAndListUnchanged()
{
PersistentList p = (PersistentList)PersistentList.create(new object[] { "abc", 1, "def" });
Expect(p.peek(), EqualTo("abc"));
Expect(p.count(), EqualTo(3));
}
public void PopLosesfirstElement()
{
PersistentList p = (PersistentList)PersistentList.create(new object[] { "abc", 1, "def" });
PersistentList p2 = (PersistentList)p.pop();
Expect(p2.count(), EqualTo(2));
Expect(p2.peek(), EqualTo(1));
}
