import unittest


class LyingList(list):
    def __iter__(self):
        yield 1


class TestTupleOnLyingLists(unittest.TestCase):
    def test_assert_lists_right(self):
        x = LyingList([2])
        self.assertEqual(list(x), [1])

    def test_assert_sets_right(self):
        x = LyingList([2])
        self.assertEqual(set(x), set((1,)))

    def test_assert_tuples_right(self):
        x = LyingList([2])
        self.assertEqual(tuple(x), (1,))


if __name__ == '__main__':
    unittest.main()