56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
import math
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import os
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import subprocess
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udt = os.path.join('.', 'test_sdivmod64.run')
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def testcase(dividend, divisor):
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print 'divmod64(%d, %d)' % (dividend, divisor)
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procargs = ('%s %s %s' % (udt, dividend, divisor)).split()
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result = subprocess.check_output(procargs)
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gotQ, gotR = map(int, result.splitlines())
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expectQ = dividend // divisor
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expectR = dividend % divisor
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print 'Q = %d, R = %d' % (gotQ, gotR)
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if expectQ != gotQ:
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raise ValueError("invalid quotient: got=%d but expect=%d" %
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(gotQ, expectQ))
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if expectR != gotR:
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raise ValueError("invalid remainder: got=%d but expect=%d" %
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(gotR, expectR))
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print 'OK'
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def testsequence():
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subjects = [
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(0, 1),
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(0, 0xffffffff),
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(1, 2),
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(1, 983219),
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(2, 2),
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(3, 2),
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(1024, 2),
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(2048, 512),
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(21321, 512),
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(9329189, 1031),
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(0xffffffff, 2),
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(0xffffffff, 0xffff),
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(0x1ffffffff, 2),
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(0x1ffffffff, 0xffff),
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(0xffff, 0xffffffff),
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(0x0fffffffffffffff, 0xffff),
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(0x7fffffffffffffff, 0x7fffffffffffffff),
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(0x7fffffffffffffff, 0x7ffffffffffffff0),
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(0x7fffffffffffffff, 87655678587161901),
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]
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for dvd, dvr in subjects:
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testcase(dvd, dvr)
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testcase(dvd, -dvr)
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testcase(-dvd, dvr)
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testcase(-dvd, -dvr)
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if __name__ == '__main__':
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testsequence()
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