def test_delete_elem_only_multi(self):
test_list = DoubleLinkedList()
for i in range(5):
test_list.push(2)
self.assertEqual(test_list.len(), 5)
self.assertEqual(test_list.contains(2), 5)
test_list.delete(2)
self.assertEqual(test_list.len(), 0)
self.assertEqual(test_list.contains(2), 0)
def test_delete_elem_multi(self):
test_list = DoubleLinkedList()
for i in range(3):
test_list.push(i)
test_list.push(1)
for i in range(3):
test_list.push(i)
self.assertEqual(test_list.len(), 7)
self.assertEqual(test_list.contains(1), 3)
test_list.delete(1)
self.assertEqual(test_list.len(), 4)
self.assertEqual(test_list.contains(1), 0)
def test_contains_true(self):
list_1 = DoubleLinkedList()
list_1.push(1)
list_1.push(2)
list_1.push(3)
list_1.push(4)
self.assertEqual(list_1.contains(3), True)
def test_contains_multi_elem(self):
test_list = DoubleLinkedList()
for i in range(10):
test_list.push(i)
for i in range(3):
test_list.push(5)
self.assertEqual(test_list.len(), 13)
self.assertEqual(test_list.contains(5), 4)
def test_not_contains_elem(self):
test_list = DoubleLinkedList()
for i in range(10):
test_list.push(i)
self.assertEqual(test_list.len(), 10)
self.assertEqual(test_list.contains(14), 0)
def test_contains_only_multi_elem(self):
test_list = DoubleLinkedList()
for i in range(10):
test_list.push(1)
self.assertEqual(test_list.len(), 10)
self.assertEqual(test_list.contains(1), 10)
def test_contains_only_elem(self):
test_list = DoubleLinkedList()
test_list.push("test")
self.assertEqual(test_list.len(), 1)
self.assertEqual(test_list.contains("test"), 1)
def test_contains_empty(self):
test_list = DoubleLinkedList()
self.assertEqual(test_list.contains("test"), 0)
def test_contains_false(self):
list_1 = DoubleLinkedList()
list_1.push(1)
list_1.push(2)
list_1.push(3)
self.assertEqual(list_1.contains(0), False)