def test_delete_missing_length(self):
ll = LinkedList.get_linked_list(1, 2, 3)
ll.delete_val(4)
self.assertEqual(len(ll), 3)
def test_delete_head(self):
ll = LinkedList.get_linked_list(1, 2, 3)
ll.delete_val(1)
self.assertTrue(ll.head.data == 2)
def test_delete_missing_value(self):
ll = LinkedList.get_linked_list(1, 2, 3)
ll.delete_val(4)
self.assertFalse(ll.find(4))
def test_delete_oob_index(self):
with self.assertRaises(IndexError):
LinkedList.get_linked_list(1).delete_index(1)
def test_delete_value_empty(self):
self.assertIsNone(LinkedList().delete_val(0))
def test_find_matching_value(self):
ll = LinkedList.get_linked_list(1, 2, 3)
self.assertTrue(ll.find(2))
def test_delete_neg_index_first(self):
ll = LinkedList.get_linked_list(1, 2)
ll.delete_index(-2)
self.assertFalse(ll.find(1))
def test_delete_index_existing_length(self):
ll = LinkedList.get_linked_list(1, 2)
ll.delete_index(1)
self.assertEqual(len(ll), 1)
def test_delete_index_existing_value(self):
ll = LinkedList.get_linked_list(1, 2)
ll.delete_index(1)
self.assertFalse(ll.find(2))
def test_add_non_empty_value(self):
ll = LinkedList.get_linked_list(1, 2)
ll.add(5)
self.assertTrue(ll.find(5))
def test_delete_index_empty(self):
ll = LinkedList()
ll.delete_index(2)
self.assertEqual(len(ll), 0)
def test_add_empty_value(self):
ll = LinkedList()
ll.add(5)
self.assertTrue(ll.find(5))
def test_add_non_empty_length(self):
ll = LinkedList.get_linked_list(1, 2)
ll.add(5)
self.assertEqual(len(ll), 3)
def test_add_empty_length(self):
ll = LinkedList()
ll.add(5)
self.assertEqual(len(ll), 1)
def test_delete_match_value(self):
ll = LinkedList.get_linked_list(1, 2, 3)
ll.delete_val(2)
self.assertFalse(ll.find(2))
def test_find_empty(self):
ll = LinkedList()
self.assertFalse(ll.find(1))
def test_delete_match_length(self):
ll = LinkedList.get_linked_list(1, 2, 3)
ll.delete_val(2)
self.assertEqual(len(ll), 2)
def test_find_missing_value(self):
ll = LinkedList.get_linked_list(1, 2, 3)
self.assertFalse(ll.find(4))