def test_len_3_elements(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
self.assertEqual(linked_list.len(), 3)
def test_clean(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
linked_list.clean()
self.assertEqual(linked_list.len(), 0)
def test_delete_all_1(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.delete(12, True)
self.assertEqual(linked_list.head, None)
self.assertEqual(linked_list.tail, None)
def test_delete_5(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.delete(12)
self.assertEqual(linked_list.head, self.n2)
self.assertEqual(linked_list.tail, self.n2)
def test_insert_3(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
linked_list.insert(self.n2, self.n6)
self.assertEqual(self.n2.next, self.n6)
self.assertEqual(self.n6.next, self.n3)
def test_insert_2(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
linked_list.insert(self.n3, self.n4)
self.assertEqual(self.n3.next, self.n4)
self.assertEqual(linked_list.tail, self.n4)
def test_delete_4(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n3)
linked_list.add_in_tail(self.n4)
linked_list.add_in_tail(self.n6)
linked_list.delete(12)
self.assertEqual(linked_list.head, self.n3)
self.assertEqual(self.n3.next, self.n6)
self.assertEqual(linked_list.tail, self.n6)
def test_delete_all_3(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
linked_list.add_in_tail(self.n4)
linked_list.add_in_tail(self.n5)
linked_list.add_in_tail(self.n6)
linked_list.add_in_tail(self.n7)
linked_list.add_in_tail(self.n8)
linked_list.delete(12, True)
self.assertEqual(linked_list.head, self.n3)
self.assertEqual(linked_list.tail, self.n6)
self.assertEqual(self.n3.next, self.n6)
def test_find_all_5(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
linked_list.add_in_tail(self.n2)
linked_list.add_in_tail(self.n3)
linked_list.add_in_tail(self.n4)
linked_list.add_in_tail(self.n5)
self.assertEqual(linked_list.find_all(12), [self.n1, self.n2, self.n4, self.n5])
def test_find_all_4(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
self.assertEqual(linked_list.find_all(874), [])
def test_find_all_3(self):
linked_list = LinkedList()
linked_list.add_in_tail(self.n1)
self.assertEqual(linked_list.find_all(12), [self.n1])
