def test_O1_size(self):
my_list = LinkedList()
for i in range(0, 1000):
my_list.append(i)
time_start = time.time()
for i in range(0, 1000):
my_list.size()
time_end = time.time()
try:
self.assertTrue(time_end - time_start < 0.05)
except AssertionError as e:
print("Failed Test: Implemented as O(1) size")
def test_append_after_add(self):
my_list = LinkedList()
my_list.add(5)
my_list.add(4)
my_list.append(6)
my_list.append(7)
self.assertEqual(my_list.size(), 4)
def test_remove_to_empty_then_append(self):
my_list = LinkedList()
my_list.add(6)
my_list.add(5)
my_list.remove(6)
my_list.remove(5)
my_list.append(8)
my_list.append(9)
self.assertEqual(my_list.size(), 2)
def test_remove_from_start_then_append(self):
my_list = LinkedList()
my_list.add(6)
my_list.add(5)
my_list.add(4)
my_list.add(3)
my_list.add(2)
my_list.remove(2)
my_list.append(7)
self.assertEqual(my_list.size(), 5)
def test_append_empty_size(self):
my_list = LinkedList()
my_list.append(4)
my_list.append(5)
my_list.append(6)
self.assertEqual(my_list.size(), 3)