def test_sum(self):
test1 = main.LinkedList()
test2 = main.LinkedList()
test1.add_in_tail(main.Node(2))
test1.add_in_tail(main.Node(4))
test2.add_in_tail(main.Node(1))
test2.add_in_tail(main.Node(5))
sum_list = main.sum(test1, test2)
self.assertEqual(sum_list.head.value, 3)
self.assertEqual(sum_list.tail.value, 9)
def test_len(self):
a_list = main.LinkedList()
self.assertEqual(a_list.len(), 0)
a_list.add_in_tail(main.Node(1))
a_list.add_in_tail(main.Node(2))
a_list.add_in_tail(main.Node(3))
a_list.add_in_tail(main.Node(4))
a_list.add_in_tail(main.Node(5))
self.assertEqual(a_list.len(), 5)
def test_delete_all(self):
a_list = main.LinkedList()
a_list.add_in_tail(main.Node(1))
a_list.add_in_tail(main.Node(2))
a_list.add_in_tail(main.Node(2))
a_list.add_in_tail(main.Node(3))
self.assertTrue(self.__check_value(a_list, 2))
a_list.delete(2, True)
self.assertFalse(self.__check_value(a_list, 2))
def test_find(self):
a_list = main.LinkedList()
a_list.add_in_tail(main.Node(1))
a_list.add_in_tail(main.Node(2))
a_list.add_in_tail(main.Node(3))
a_list.add_in_tail(main.Node(4))
a_list.add_in_tail(main.Node(5))
self.assertTrue(self.__check_value(a_list, 2))
self.assertEqual(a_list.find(2).value, 2)
def test_add_in_tail(self):
a_list = main.LinkedList()
a_list.add_in_tail(main.Node(1))
a_list.add_in_tail(main.Node(2))
a_list.add_in_tail(main.Node(3))
a_list.add_in_tail(main.Node(4))
a_list.add_in_tail(main.Node(5))
self.assertFalse(self.__check_value(a_list, 6))
a_list.add_in_tail(main.Node(6))
self.assertTrue(self.__check_value(a_list, 6))
def test_none(self):
a_list = main.LinkedList()
self.assertIsNone(a_list.head)
self.assertIsNone(a_list.tail)