def test_one_sparse_correct(self):
self.assertEqual(
4,
one_sparse([(4, '+'), (2, '+'), (2, '-'), (4, '+'), (3, '+'),
(3, '-')]))
self.assertEqual(
2,
one_sparse([(2, '+'), (2, '+'), (2, '+'), (2, '+'), (2, '+'),
(2, '+'), (2, '+')]))
def test_one_sparse_correct(self):
self.assertEqual(
4,
one_sparse([(4, "+"), (2, "+"), (2, "-"), (4, "+"), (3, "+"),
(3, "-")]))
self.assertEqual(
2,
one_sparse([(2, "+"), (2, "+"), (2, "+"), (2, "+"), (2, "+"),
(2, "+"), (2, "+")]),
)
def test_one_sparse_incorrect(self):
self.assertEqual(None,
one_sparse([(2, '+'), (2, '+'), (2, '+'), (2, '+'),
(2, '+'), (2, '+'),
(1, '+')])) #Two values remaining
self.assertEqual(None,
one_sparse([(2, '+'), (2, '+'), (2, '+'), (2, '+'),
(2, '-'), (2, '-'), (2, '-'),
(2, '-')])) # No values remaining
self.assertEqual(None,
one_sparse([(2, '+'), (2, '+'), (4, '+'), (4, '+')
])) # Bitsum sum of sign is inccorect
