def test_clear(self):
list = MyList(1, 2, 3, 4, 5)
list.clear()
self.assertEqual(list.get_size(), 0)
def test_remove_item(self):
list = MyList(1, 2, 3, 4, 5)
self.assertEqual(list.remove(3), 4)
self.assertEqual(list.get_size(), 4)
self.assertIs(list.remove(20), None)
def test_get_size(self):
list = MyList(1, 2, 3, 4, 5)
self.assertEqual(list.get_size(), 5)
def test_add_items(self):
list = MyList(1, 2, 3, 4, 5)
list.add(6, 7, 8, 9, 10)
self.assertEqual(list.get_size(), 10)
