def test_crcmod_8_random(self):
data = NumberMask(random.randint(1, 0xFFFFFFFFFFFFFFFF), 64)
crcSize = 8
crcMax = 2**crcSize - 1
inputPoly = NumberMask((0x1 << crcSize) | random.randint(1, crcMax),
crcSize)
# regInit = random.randint(0, crcMax)
# xorOut = random.randint(0, crcMax)
regInit = 0x0
xorOut = 0x0
reverse = bool(random.randint(0, 1))
crc_func = crcmod.mkCrcFun(inputPoly.masterData(),
rev=reverse,
initCrc=regInit,
xorOut=xorOut)
crcLib = crc_func(data.toASCII())
# print "crc: {:X} {:X}".format( crc, crc2 )
crcProc = ModCRC()
crcProc.setReversed(reverse)
crcProc.setXorOutValue(xorOut)
crcProc.setInitCRC(regInit, crcSize)
crc = crcProc.calculate3(data, inputPoly)
self.assertEqual(crc, crcLib)
def test_crcmod_8_xorOut(self):
data = 0xF0
dataSize = 8
inputPoly = 0x100
crcSize = 8
regInit = 0x0F
xorOut = 0xF0
crc_func = crcmod.mkCrcFun(inputPoly,
initCrc=regInit,
rev=False,
xorOut=xorOut)
crcLib = crc_func(intToASCII(data))
crcProc = ModCRC()
crcProc.setXorOutValue(xorOut)
crcProc.setInitCRC(regInit, crcSize)
crc = crcProc.calculate2(data, dataSize, inputPoly, crcSize)
# print "crc: 0x{0:X}[0b{0:b}] 0x{1:X}[0b{1:b}]".format( crc, crcLib )
self.assertEqual(crc, crcLib)