class LinkedListTests(unittest.TestCase):
def setUp(self):
self.list = LinkedList()
def test_add_to_head(self):
self.list.add_to_head(1)
self.assertEqual(self.list.head.value, 1)
self.list.add_to_head(2)
self.assertEqual(self.list.head.value, 2)
def test_contains(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(10)
self.assertTrue(self.list.contains(2))
self.assertTrue(self.list.contains(10))
self.assertFalse(self.list.contains(1000))
def test_empty_reverse(self):
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head, None)
def test_single_reverse(self):
self.list.add_to_head(1)
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head.value, 1)
def test_longer_reverse(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(3)
self.list.add_to_head(4)
self.list.add_to_head(5)
print('LIST', self.list.head.get_next().value)
self.assertEqual(self.list.head.value, 5)
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head.value, 1)
self.assertEqual(self.list.head.get_next().value, 2)
self.assertEqual(self.list.head.get_next().get_next().value, 3)
class LinkedListTests(unittest.TestCase):
start_time = time.time()
def setUp(self):
self.list = LinkedList()
end_time = time.time()
print(f"runtime test 1: {end_time - start_time} seconds")
start_time = time.time()
def test_add_to_head(self):
self.list.add_to_head(1)
self.assertEqual(self.list.head.value, 1)
self.list.add_to_head(2)
self.assertEqual(self.list.head.value, 2)
end_time = time.time()
print(f"runtime test 2: {end_time - start_time} seconds")
start_time = time.time()
def test_contains(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(10)
self.assertTrue(self.list.contains(2))
self.assertTrue(self.list.contains(10))
self.assertFalse(self.list.contains(1000))
end_time = time.time()
print(f"runtime test 3: {end_time - start_time} seconds")
start_time = time.time()
def test_empty_reverse(self):
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head, None)
end_time = time.time()
print(f"runtime test 4: {end_time - start_time} seconds")
start_time = time.time()
def test_single_reverse(self):
self.list.add_to_head(1)
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head.value, 1)
end_time = time.time()
print(f"runtime test 5: {end_time - start_time} seconds")
start_time = time.time()
def test_longer_reverse(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(3)
self.list.add_to_head(4)
self.list.add_to_head(5)
self.assertEqual(self.list.head.value, 5)
self.list.reverse_list(self.list.head, None)
self.assertEqual(self.list.head.value, 1)
self.assertEqual(self.list.head.get_next().value, 2)
self.assertEqual(self.list.head.get_next().get_next().value, 3)
end_time = time.time()
print(f"runtime test 6: {end_time - start_time} seconds")
class LinkedListTests(unittest.TestCase):
def setUp(self):
self.list = LinkedList()
def test_add_to_head(self):
self.list.add_to_head(1)
self.assertEqual(self.list.head.value, 1)
self.list.add_to_head(2)
self.assertEqual(self.list.head.value, 2)
def test_contains(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(10)
self.assertTrue(self.list.contains(2))
self.assertTrue(self.list.contains(10))
self.assertFalse(self.list.contains(1000))
def test_empty_reverse(self):
self.list.reverse_list()
self.assertEqual(self.list.head, None)
def test_single_reverse(self):
self.list.add_to_head(1)
self.list.reverse_list()
self.assertEqual(self.list.head.value, 1)
def test_longer_reverse(self):
self.list.add_to_head(1)
self.list.add_to_head(2)
self.list.add_to_head(3)
self.list.add_to_head(4)
self.list.add_to_head(5)
self.assertEqual(self.list.head.value, 5)
self.list.reverse_list(
) # Changed reverse_list implementation. Object knows it's head
self.assertEqual(self.list.head.value, 1)
self.assertEqual(self.list.head.get_next().value, 2)
self.assertEqual(self.list.head.get_next().get_next().value, 3)
