#
#  SelfTest/Math/test_Primality.py: Self-test for Primality module
#
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# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
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"""Self-test for Math.Numbers"""

import unittest

from Crypto.SelfTest.st_common import list_test_cases

from Crypto.Util.py3compat import *

from Crypto.Math.Numbers import Integer
from Crypto.Math.Primality import (
        PROBABLY_PRIME, COMPOSITE,
        miller_rabin_test, lucas_test,
        )


class TestPrimality(unittest.TestCase):

    primes = (13, 17, 19, 23, 2**127-1,)
    composites = (12, 7*23, (2**19-1)*(2**67-1), 9746347772161,)

    def test_miller_rabin(self):
        for prime in self.primes:
            self.assertEqual(miller_rabin_test(prime, 3), PROBABLY_PRIME)
        for composite in self.composites:
            self.assertEqual(miller_rabin_test(composite, 3), COMPOSITE)

    def test_lucas(self):
        for prime in self.primes:
            self.assertEqual(lucas_test(prime), PROBABLY_PRIME)
        for composite in self.composites:
            self.assertEqual(lucas_test(composite), COMPOSITE)

def get_tests(config={}):
    tests = []
    tests += list_test_cases(TestPrimality)
    return tests

if __name__ == '__main__':
    suite = lambda: unittest.TestSuite(get_tests())
    unittest.main(defaultTest='suite')