def test_simple_case(self):
ll = linked_list()
ll.insert("last, aka tail")
ll.insert("second to last")
ll.insert("third to last")
ll.insert("fourth to last")
ll.insert("fifth to last")
self.assertEqual(ll.mth_to_last(4).data, "fourth to last")
def test_simple_case(self):
ll = linked_list()
ll.insert('last, aka tail')
ll.insert('second to last')
ll.insert('third to last')
ll.insert('fourth to last')
ll.insert('fifth to last')
self.assertEqual(ll.mth_to_last(4).data, 'fourth to last')
def test_linked_list_inserts_correctly(self):
ll = linked_list()
ll.insert("hello world")
self.assertEqual(ll.head.data, "hello world")
def test_just_long_enough_case(self):
ll = linked_list()
ll.insert("last")
ll.insert("second to last")
ll.insert("third_to_last")
self.assertEqual(ll.mth_to_last(3).data, "third_to_last")
def test_not_long_enough_case(self):
ll = linked_list()
ll.insert("last")
ll.insert("second to last")
self.assertIsNone(ll.mth_to_last(5))
def test_linked_list_inserts_correctly(self):
ll = linked_list()
ll.insert('hello world')
self.assertEqual(ll.head.data, 'hello world')
def test_just_long_enough_case(self):
ll = linked_list()
ll.insert('last')
ll.insert('second to last')
ll.insert('third_to_last')
self.assertEqual(ll.mth_to_last(3).data, 'third_to_last')
def test_not_long_enough_case(self):
ll = linked_list()
ll.insert('last')
ll.insert('second to last')
self.assertIsNone(ll.mth_to_last(5))