def test_delete_at_index_emtpy_list(self):
l = LinkedList()
with self.assertRaises(RuntimeError):
l.deleteAtIndex(0)
def test_delete_at_index_out_of_bound(self):
l = LinkedList([1, 2, 3])
with self.assertRaises(RuntimeError):
l.deleteAtIndex(7)
def test_delete_at_index(self):
l = LinkedList([1, 2, 3])
l.deleteAtIndex(1)
self.assertEqual(l.to_python_list(), [1, 3])
