def test_compare(self, size):
        t1 = (u'',) * size
        t2 = (u'',) * size
        self.failUnless(t1 == t2)
        del t2
        t2 = (u'',) * (size + 1)
        self.failIf(t1 == t2)
        del t2
        t2 = (1,) * size
        self.failIf(t1 == t2)