def test_del_mass_void_all(self):
s_list = LinkedList()
s_list.delete(1, True)
ht = s_list.get_head_tail()
data = ht + s_list.list_all_nodes()
res = [None, None]
self.assertEqual(data, res)
def test_del_mass_first_1_all(self):
n1 = Node(1)
s_list = LinkedList()
s_list.add_in_tail(n1)
s_list.delete(1, True)
ht = s_list.get_head_tail()
data = ht + s_list.list_all_nodes()
res = [None, None]
self.assertEqual(data, res)
def test_del_one_last_2(self):
n1 = Node(1)
n2 = Node(2)
s_list = LinkedList()
s_list.add_in_tail(n1)
s_list.add_in_tail(n2)
s_list.delete(2)
ht = s_list.get_head_tail()
data = ht + s_list.list_all_nodes()
res = [n1, n1, 1]
self.assertEqual(data, res)
def test_del_one_first_3(self):
n1 = Node(1)
n2 = Node(2)
n3 = Node(3)
s_list = LinkedList()
s_list.add_in_tail(n1)
s_list.add_in_tail(n2)
s_list.add_in_tail(n3)
s_list.delete(1)
ht = s_list.get_head_tail()
data = ht + s_list.list_all_nodes()
res = [n2, n3, 2, 3]
self.assertEqual(data, res)
def test_del_mass_no_element(self):
n1 = Node(1)
n2 = Node(1)
n3 = Node(3)
s_list = LinkedList()
s_list.add_in_tail(n1)
s_list.add_in_tail(n2)
s_list.add_in_tail(n3)
s_list.delete(4, True)
ht = s_list.get_head_tail()
data = ht + s_list.list_all_nodes()
res = [n1, n3, 1, 1, 3]
self.assertEqual(data, res)