def test_delete_5(self): linked_list = LinkedList() linked_list.add_in_tail(self.n1) linked_list.add_in_tail(self.n2) linked_list.delete(12) self.assertEqual(linked_list.head, self.n2) self.assertEqual(linked_list.tail, self.n2)
def test_delete_all_1(self): linked_list = LinkedList() linked_list.add_in_tail(self.n1) linked_list.add_in_tail(self.n2) linked_list.delete(12, True) self.assertEqual(linked_list.head, None) self.assertEqual(linked_list.tail, None)
def test_delete_4(self): linked_list = LinkedList() linked_list.add_in_tail(self.n3) linked_list.add_in_tail(self.n4) linked_list.add_in_tail(self.n6) linked_list.delete(12) self.assertEqual(linked_list.head, self.n3) self.assertEqual(self.n3.next, self.n6) self.assertEqual(linked_list.tail, self.n6)
def test_delete_all_3(self): linked_list = LinkedList() linked_list.add_in_tail(self.n1) linked_list.add_in_tail(self.n2) linked_list.add_in_tail(self.n3) linked_list.add_in_tail(self.n4) linked_list.add_in_tail(self.n5) linked_list.add_in_tail(self.n6) linked_list.add_in_tail(self.n7) linked_list.add_in_tail(self.n8) linked_list.delete(12, True) self.assertEqual(linked_list.head, self.n3) self.assertEqual(linked_list.tail, self.n6) self.assertEqual(self.n3.next, self.n6)