def basic_test_repr(self, size):
        t = (0,) * size
        s = repr(t)
        # The repr of a tuple of 0's is exactly three times the tuple length.
        self.assertEquals(len(s), size * 3)
        self.assertEquals(s[:5], '(0, 0')
        self.assertEquals(s[-5:], '0, 0)')
        self.assertEquals(s.count('0'), size)