def test04_CheckSumAdler32(self):
self.assertEqual(0x00000001,
eformat.helper.checksum(eformat.helper.CheckSum.ADLER32, []))
self.assertEqual(0x00180004,
eformat.helper.checksum(eformat.helper.CheckSum.ADLER32, [1, 2]))
self.assertEqual(0x23d407f1,
eformat.helper.checksum(eformat.helper.CheckSum.ADLER32,
[0xffffffff, 0xfff7ffff]))
self.assertEqual(0x23d407f1,
eformat.helper.checksum(eformat.helper.CheckSum.ADLER32,
eformat.u32list([0xffffffff, 0xfff7ffff])))
# calling it a second time should give the same result
self.assertEqual(0x23d407f1,
eformat.helper.checksum(eformat.helper.CheckSum.ADLER32,
eformat.u32list([0xffffffff, 0xfff7ffff])))
def block_data(method, data=None):
"""Sets or gets u32 data blocks"""
if data:
if not (isinstance(data, read.u32list) or isinstance(data, read.u32slice)):
data = read.u32list(data) # we try a conversion
method(data)
else:
return method()
def test05_CheckSumCrc16Ccitt(self):
self.assertEqual(0xffffffff,
eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT, []))
self.assertEqual(0x84c093b2,
eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT, [1, 2]))
self.assertEqual(0x9c071d0f,
eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT,
[0xffffffff, 0xfff7ffff]))
self.assertEqual(0x9c071d0f,
eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT,
eformat.u32list([0xffffffff, 0xfff7ffff])))
# calling it a second time should give the same result
self.assertEqual(0x9c071d0f,
eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT,
eformat.u32list([0xffffffff, 0xfff7ffff])))
# symmetry should be respected for symmetric entries
tmp = eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT,
eformat.u32list([0x0, 0x0]))
self.assertEqual(tmp & 0xffff, tmp >> 16)
tmp = eformat.helper.checksum(eformat.helper.CheckSum.CRC16_CCITT,
eformat.u32list([0xffffffff, 0xffffffff]))
self.assertEqual(tmp & 0xffff, tmp >> 16)
