def setUp(self):
self.linked_list = LinkedList()
third_node = LinkedListNode(None, 3)
second_node = LinkedListNode(third_node, 2)
first_node = LinkedListNode(second_node, 1)
self.linked_list = LinkedList()
self.linked_list.head = first_node
def setUp(self):
linked_list = LinkedList()
linked_list.add(3)
linked_list.add(2)
linked_list.add(1)
linked_list.add(0)
linked_list.append(4)
linked_list.append(5)
linked_list.append(6)
linked_list.append(7)
linked_list.remove_first() # remove 0
linked_list.remove_last() # remove 7
self.linked_list = linked_list
def test_remove_node_with_empty_tree(self):
self.linked_list = LinkedList()
with self.assertRaises(AttributeError):
self.linked_list.remove_first()
def setUp(self):
self.linked_list = LinkedList()
self.linked_list.head = LinkedListNode(None, 2)
def setUp(self):
self.linked_list = LinkedList()