def test_get_at_index(self):
     dll = DoublyLinkedList(['A', 'B', 'C'])
     assert dll.get_at_index(0) == 'A'
     assert dll.get_at_index(1) == 'B'
     assert dll.get_at_index(2) == 'C'
     with self.assertRaises(ValueError):
         dll.get_at_index(3)
         dll.get_at_index(-1)
Ejemplo n.º 2
0
 def test_get_at_index(self):
     ll = DoublyLinkedList(['A', 'B', 'C'])
     assert ll.get_at_index(0) == 'A'  # head item
     assert ll.get_at_index(1) == 'B'  # middle item
     assert ll.get_at_index(2) == 'C'  # tail item
     with self.assertRaises(ValueError):
         ll.get_at_index(3)  # index too high
     with self.assertRaises(ValueError):
         ll.get_at_index(-1)  # index too low