def test_size(self):
mylist = OrderedList()
self.assertEquals(mylist.size(), 0)
mylist.add(1)
self.assertEquals(mylist.size(), 1)
mylist.add(2)
self.assertEquals(mylist.size(), 2)
def test_pop(self):
mylist = OrderedList()
mylist.add(1)
mylist.add(2)
mylist.add(3)
self.assertEqual(mylist.pop(), 3)
self.assertEqual(mylist.size(), 2)