@iterate(1000)
    def testRandomContains(self):
        prefixes = [random_ipv4_prefix() for i in xrange(random.randrange(50))]
        question = random_ipv4_prefix()
        answer = any(pfx in question for pfx in prefixes)
        ipset = IPy.IPSet(prefixes)
        self.assertEqual(question in ipset, answer,
                "%s in %s != %s (made from %s)" % (question, ipset, answer, prefixes))
dataset/ETHPy150Open autocracy/python-ipy/test/test_fuzz.py/TestIPSet.testRandomContains/swapped operands of `in`