Python/apps/py-cutils: cutils/crcmod/python2/test.py annotate

annotate cutils/crcmod/python2/test.py @ 180:d038f0a9ba49

Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Running python -m cutils.crcmod.test works successfully.

author	Franz Glasner <fzglas.hg@dom66.de>
date	Mon, 13 Jan 2025 04:09:35 +0100
parents
children	5c5c0c5a7402

rev	line source
180 d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	1 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	2 # Copyright (c) 2010 Raymond L. Buvel
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	3 # Copyright (c) 2010 Craig McQueen
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	4 #
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	5 # Permission is hereby granted, free of charge, to any person obtaining a copy
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	6 # of this software and associated documentation files (the "Software"), to deal
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	7 # in the Software without restriction, including without limitation the rights
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	9 # copies of the Software, and to permit persons to whom the Software is
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	10 # furnished to do so, subject to the following conditions:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	11 #
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	12 # The above copyright notice and this permission notice shall be included in
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	13 # all copies or substantial portions of the Software.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	14 #
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	21 # SOFTWARE.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	22 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	23 '''Unit tests for crcmod functionality'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	24
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	25
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	26 from __future__ import absolute_import
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	27
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	28 import unittest
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	29 import binascii
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	30
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	31 from .crcmod import mkCrcFun, Crc
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	32 from .crcmod import _usingExtension
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	33 from .predefined import PredefinedCrc
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	34 from .predefined import mkPredefinedCrcFun
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	35 from .predefined import _crc_definitions as _predefined_crc_definitions
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	36
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	37
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	38 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	39 # This polynomial was chosen because it is the product of two irreducible
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	40 # polynomials.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	41 # g8 = (x^7+x+1)*(x+1)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	42 g8 = 0x185
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	43
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	44 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	45 # The following reproduces all of the entries in the Numerical Recipes table.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	46 # This is the standard CCITT polynomial.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	47 g16 = 0x11021
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	48
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	49 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	50 g24 = 0x15D6DCB
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	51
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	52 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	53 # This is the standard AUTODIN-II polynomial which appears to be used in a
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	54 # wide variety of standards and applications.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	55 g32 = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	56
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	57
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	58 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	59 # I was able to locate a couple of 64-bit polynomials on the web. To make it
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	60 # easier to input the representation, define a function that builds a
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	61 # polynomial from a list of the bits that need to be turned on.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	62
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	63 def polyFromBits(bits):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	64 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	65 for n in bits:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	66 p = p \| (1L << n)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	67 return p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	68
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	69 # The following is from the paper "An Improved 64-bit Cyclic Redundancy Check
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	70 # for Protein Sequences" by David T. Jones
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	71
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	72 g64a = polyFromBits([64, 63, 61, 59, 58, 56, 55, 52, 49, 48, 47, 46, 44, 41,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	73 37, 36, 34, 32, 31, 28, 26, 23, 22, 19, 16, 13, 12, 10, 9, 6, 4,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	74 3, 0])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	75
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	76 # The following is from Standard ECMA-182 "Data Interchange on 12,7 mm 48-Track
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	77 # Magnetic Tape Cartridges -DLT1 Format-", December 1992.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	78
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	79 g64b = polyFromBits([64, 62, 57, 55, 54, 53, 52, 47, 46, 45, 40, 39, 38, 37,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	80 35, 33, 32, 31, 29, 27, 24, 23, 22, 21, 19, 17, 13, 12, 10, 9, 7,
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	81 4, 1, 0])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	82
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	83 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	84 # This class is used to check the CRC calculations against a direct
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	85 # implementation using polynomial division.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	86
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	87 class poly:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	88 '''Class implementing polynomials over the field of integers mod 2'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	89 def __init__(self,p):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	90 p = long(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	91 if p < 0: raise ValueError('invalid polynomial')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	92 self.p = p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	93
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	94 def __long__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	95 return self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	96
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	97 def __eq__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	98 return self.p == other.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	99
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	100 def __ne__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	101 return self.p != other.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	102
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	103 # To allow sorting of polynomials, use their long integer form for
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	104 # comparison
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	105 def __cmp__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	106 return cmp(self.p, other.p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	107
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	108 def __nonzero__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	109 return self.p != 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	110
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	111 def __neg__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	112 return self # These polynomials are their own inverse under addition
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	113
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	114 def __invert__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	115 n = max(self.deg() + 1, 1)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	116 x = (1L << n) - 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	117 return poly(self.p ^ x)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	118
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	119 def __add__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	120 return poly(self.p ^ other.p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	121
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	122 def __sub__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	123 return poly(self.p ^ other.p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	124
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	125 def __mul__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	126 a = self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	127 b = other.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	128 if a == 0 or b == 0: return poly(0)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	129 x = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	130 while b:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	131 if b&1:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	132 x = x ^ a
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	133 a = a<<1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	134 b = b>>1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	135 return poly(x)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	136
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	137 def __divmod__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	138 u = self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	139 m = self.deg()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	140 v = other.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	141 n = other.deg()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	142 if v == 0: raise ZeroDivisionError('polynomial division by zero')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	143 if n == 0: return (self,poly(0))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	144 if m < n: return (poly(0),self)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	145 k = m-n
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	146 a = 1L << m
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	147 v = v << k
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	148 q = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	149 while k > 0:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	150 if a & u:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	151 u = u ^ v
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	152 q = q \| 1L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	153 q = q << 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	154 a = a >> 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	155 v = v >> 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	156 k -= 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	157 if a & u:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	158 u = u ^ v
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	159 q = q \| 1L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	160 return (poly(q),poly(u))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	161
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	162 def __div__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	163 return self.__divmod__(other)[0]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	164
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	165 def __mod__(self,other):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	166 return self.__divmod__(other)[1]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	167
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	168 def __repr__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	169 return 'poly(0x%XL)' % self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	170
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	171 def __str__(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	172 p = self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	173 if p == 0: return '0'
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	174 lst = { 0:[], 1:['1'], 2:['x'], 3:['1','x'] }[p&3]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	175 p = p>>2
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	176 n = 2
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	177 while p:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	178 if p&1: lst.append('x^%d' % n)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	179 p = p>>1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	180 n += 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	181 lst.reverse()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	182 return '+'.join(lst)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	183
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	184 def deg(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	185 '''return the degree of the polynomial'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	186 a = self.p
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	187 if a == 0: return -1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	188 n = 0
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	189 while a >= 0x10000L:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	190 n += 16
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	191 a = a >> 16
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	192 a = int(a)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	193 while a > 1:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	194 n += 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	195 a = a >> 1
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	196 return n
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	197
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	198 #-----------------------------------------------------------------------------
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	199 # The following functions compute the CRC using direct polynomial division.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	200 # These functions are checked against the result of the table driven
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	201 # algorithms.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	202
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	203 g8p = poly(g8)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	204 x8p = poly(1L<<8)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	205 def crc8p(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	206 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	207 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	208 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	209 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	210 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	211 return long(p*x8p%g8p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	212
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	213 g16p = poly(g16)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	214 x16p = poly(1L<<16)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	215 def crc16p(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	216 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	217 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	218 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	219 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	220 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	221 return long(p*x16p%g16p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	222
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	223 g24p = poly(g24)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	224 x24p = poly(1L<<24)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	225 def crc24p(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	226 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	227 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	228 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	229 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	230 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	231 return long(p*x24p%g24p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	232
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	233 g32p = poly(g32)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	234 x32p = poly(1L<<32)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	235 def crc32p(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	236 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	237 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	238 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	239 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	240 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	241 return long(p*x32p%g32p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	242
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	243 g64ap = poly(g64a)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	244 x64p = poly(1L<<64)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	245 def crc64ap(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	246 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	247 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	248 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	249 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	250 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	251 return long(p*x64p%g64ap)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	252
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	253 g64bp = poly(g64b)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	254 def crc64bp(d):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	255 d = map(ord, d)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	256 p = 0L
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	257 for i in d:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	258 p = p*256L + i
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	259 p = poly(p)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	260 return long(p*x64p%g64bp)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	261
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	262
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	263 class KnownAnswerTests(unittest.TestCase):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	264 test_messages = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	265 'T',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	266 'CatMouse987654321',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	267 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	268
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	269 known_answers = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	270 [ (g8,0,0), (0xFE, 0x9D) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	271 [ (g8,-1,1), (0x4F, 0x9B) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	272 [ (g8,0,1), (0xFE, 0x62) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	273 [ (g16,0,0), (0x1A71, 0xE556) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	274 [ (g16,-1,1), (0x1B26, 0xF56E) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	275 [ (g16,0,1), (0x14A1, 0xC28D) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	276 [ (g24,0,0), (0xBCC49D, 0xC4B507) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	277 [ (g24,-1,1), (0x59BD0E, 0x0AAA37) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	278 [ (g24,0,1), (0xD52B0F, 0x1523AB) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	279 [ (g32,0,0), (0x6B93DDDB, 0x12DCA0F4) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	280 [ (g32,0xFFFFFFFFL,1), (0x41FB859FL, 0xF7B400A7L) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	281 [ (g32,0,1), (0x6C0695EDL, 0xC1A40EE5L) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	282 [ (g32,0,1,0xFFFFFFFF), (0xBE047A60L, 0x084BFF58L) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	283 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	284
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	285 def test_known_answers(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	286 for crcfun_params, v in self.known_answers:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	287 crcfun = mkCrcFun(*crcfun_params)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	288 self.assertEqual(crcfun('',0), 0, "Wrong answer for CRC parameters %s, input ''" % (crcfun_params,))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	289 for i, msg in enumerate(self.test_messages):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	290 self.assertEqual(crcfun(msg), v[i], "Wrong answer for CRC parameters %s, input '%s'" % (crcfun_params,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	291 self.assertEqual(crcfun(msg[4:], crcfun(msg[:4])), v[i], "Wrong answer for CRC parameters %s, input '%s'" % (crcfun_params,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	292 self.assertEqual(crcfun(msg[-1:], crcfun(msg[:-1])), v[i], "Wrong answer for CRC parameters %s, input '%s'" % (crcfun_params,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	293
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	294
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	295 class CompareReferenceCrcTest(unittest.TestCase):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	296 test_messages = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	297 '',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	298 'T',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	299 '123456789',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	300 'CatMouse987654321',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	301 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	302
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	303 test_poly_crcs = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	304 [ (g8,0,0), crc8p ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	305 [ (g16,0,0), crc16p ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	306 [ (g24,0,0), crc24p ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	307 [ (g32,0,0), crc32p ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	308 [ (g64a,0,0), crc64ap ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	309 [ (g64b,0,0), crc64bp ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	310 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	311
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	312 @staticmethod
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	313 def reference_crc32(d, crc=0):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	314 """This function modifies the return value of binascii.crc32
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	315 to be an unsigned 32-bit value. I.e. in the range 0 to 2**32-1."""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	316 # Work around the future warning on constants.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	317 if crc > 0x7FFFFFFFL:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	318 x = int(crc & 0x7FFFFFFFL)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	319 crc = x \| -2147483648
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	320 x = binascii.crc32(d,crc)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	321 return long(x) & 0xFFFFFFFFL
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	322
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	323 def test_compare_crc32(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	324 """The binascii module has a 32-bit CRC function that is used in a wide range
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	325 of applications including the checksum used in the ZIP file format.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	326 This test compares the CRC-32 implementation of this crcmod module to
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	327 that of binascii.crc32."""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	328 # The following function should produce the same result as
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	329 # self.reference_crc32 which is derived from binascii.crc32.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	330 crc32 = mkCrcFun(g32,0,1,0xFFFFFFFF)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	331
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	332 for msg in self.test_messages:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	333 self.assertEqual(crc32(msg), self.reference_crc32(msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	334
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	335 def test_compare_poly(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	336 """Compare various CRCs of this crcmod module to a pure
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	337 polynomial-based implementation."""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	338 for crcfun_params, crc_poly_fun in self.test_poly_crcs:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	339 # The following function should produce the same result as
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	340 # the associated polynomial CRC function.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	341 crcfun = mkCrcFun(*crcfun_params)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	342
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	343 for msg in self.test_messages:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	344 self.assertEqual(crcfun(msg), crc_poly_fun(msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	345
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	346
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	347 class CrcClassTest(unittest.TestCase):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	348 """Verify the Crc class"""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	349
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	350 msg = 'CatMouse987654321'
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	351
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	352 def test_simple_crc32_class(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	353 """Verify the CRC class when not using xorOut"""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	354 crc = Crc(g32)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	355
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	356 str_rep = \
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	357 '''poly = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	358 reverse = True
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	359 initCrc = 0xFFFFFFFF
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	360 xorOut = 0x00000000
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	361 crcValue = 0xFFFFFFFF'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	362 self.assertEqual(str(crc), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	363 self.assertEqual(crc.digest(), '\xff\xff\xff\xff')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	364 self.assertEqual(crc.hexdigest(), 'FFFFFFFF')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	365
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	366 crc.update(self.msg)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	367 self.assertEqual(crc.crcValue, 0xF7B400A7L)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	368 self.assertEqual(crc.digest(), '\xf7\xb4\x00\xa7')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	369 self.assertEqual(crc.hexdigest(), 'F7B400A7')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	370
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	371 # Verify the .copy() method
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	372 x = crc.copy()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	373 self.assertTrue(x is not crc)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	374 str_rep = \
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	375 '''poly = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	376 reverse = True
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	377 initCrc = 0xFFFFFFFF
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	378 xorOut = 0x00000000
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	379 crcValue = 0xF7B400A7'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	380 self.assertEqual(str(crc), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	381 self.assertEqual(str(x), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	382
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	383 def test_full_crc32_class(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	384 """Verify the CRC class when using xorOut"""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	385
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	386 crc = Crc(g32, initCrc=0, xorOut= ~0L)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	387
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	388 str_rep = \
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	389 '''poly = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	390 reverse = True
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	391 initCrc = 0x00000000
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	392 xorOut = 0xFFFFFFFF
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	393 crcValue = 0x00000000'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	394 self.assertEqual(str(crc), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	395 self.assertEqual(crc.digest(), '\x00\x00\x00\x00')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	396 self.assertEqual(crc.hexdigest(), '00000000')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	397
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	398 crc.update(self.msg)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	399 self.assertEqual(crc.crcValue, 0x84BFF58L)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	400 self.assertEqual(crc.digest(), '\x08\x4b\xff\x58')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	401 self.assertEqual(crc.hexdigest(), '084BFF58')
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	402
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	403 # Verify the .copy() method
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	404 x = crc.copy()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	405 self.assertTrue(x is not crc)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	406 str_rep = \
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	407 '''poly = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	408 reverse = True
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	409 initCrc = 0x00000000
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	410 xorOut = 0xFFFFFFFF
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	411 crcValue = 0x084BFF58'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	412 self.assertEqual(str(crc), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	413 self.assertEqual(str(x), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	414
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	415 # Verify the .new() method
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	416 y = crc.new()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	417 self.assertTrue(y is not crc)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	418 self.assertTrue(y is not x)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	419 str_rep = \
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	420 '''poly = 0x104C11DB7
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	421 reverse = True
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	422 initCrc = 0x00000000
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	423 xorOut = 0xFFFFFFFF
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	424 crcValue = 0x00000000'''
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	425 self.assertEqual(str(y), str_rep)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	426
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	427
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	428 class PredefinedCrcTest(unittest.TestCase):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	429 """Verify the predefined CRCs"""
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	430
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	431 test_messages_for_known_answers = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	432 '', # Test cases below depend on this first entry being the empty string.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	433 'T',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	434 'CatMouse987654321',
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	435 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	436
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	437 known_answers = [
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	438 [ 'crc-aug-ccitt', (0x1D0F, 0xD6ED, 0x5637) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	439 [ 'x-25', (0x0000, 0xE4D9, 0x0A91) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	440 [ 'crc-32', (0x00000000, 0xBE047A60, 0x084BFF58) ],
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	441 ]
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	442
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	443 def test_known_answers(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	444 for crcfun_name, v in self.known_answers:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	445 crcfun = mkPredefinedCrcFun(crcfun_name)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	446 self.assertEqual(crcfun('',0), 0, "Wrong answer for CRC '%s', input ''" % crcfun_name)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	447 for i, msg in enumerate(self.test_messages_for_known_answers):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	448 self.assertEqual(crcfun(msg), v[i], "Wrong answer for CRC %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	449 self.assertEqual(crcfun(msg[4:], crcfun(msg[:4])), v[i], "Wrong answer for CRC %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	450 self.assertEqual(crcfun(msg[-1:], crcfun(msg[:-1])), v[i], "Wrong answer for CRC %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	451
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	452 def test_class_with_known_answers(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	453 for crcfun_name, v in self.known_answers:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	454 for i, msg in enumerate(self.test_messages_for_known_answers):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	455 crc1 = PredefinedCrc(crcfun_name)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	456 crc1.update(msg)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	457 self.assertEqual(crc1.crcValue, v[i], "Wrong answer for crc1 %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	458
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	459 crc2 = crc1.new()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	460 # Check that crc1 maintains its same value, after .new() call.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	461 self.assertEqual(crc1.crcValue, v[i], "Wrong state for crc1 %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	462 # Check that the new class instance created by .new() contains the initialisation value.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	463 # This depends on the first string in self.test_messages_for_known_answers being
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	464 # the empty string.
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	465 self.assertEqual(crc2.crcValue, v[0], "Wrong state for crc2 %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	466
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	467 crc2.update(msg)
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	468 # Check that crc1 maintains its same value, after crc2 has called .update()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	469 self.assertEqual(crc1.crcValue, v[i], "Wrong state for crc1 %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	470 # Check that crc2 contains the right value after calling .update()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	471 self.assertEqual(crc2.crcValue, v[i], "Wrong state for crc2 %s, input '%s'" % (crcfun_name,msg))
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	472
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	473 def test_function_predefined_table(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	474 for table_entry in _predefined_crc_definitions:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	475 # Check predefined function
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	476 crc_func = mkPredefinedCrcFun(table_entry['name'])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	477 calc_value = crc_func("123456789")
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	478 self.assertEqual(calc_value, table_entry['check'], "Wrong answer for CRC '%s'" % table_entry['name'])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	479
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	480 def test_class_predefined_table(self):
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	481 for table_entry in _predefined_crc_definitions:
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	482 # Check predefined class
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	483 crc1 = PredefinedCrc(table_entry['name'])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	484 crc1.update("123456789")
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	485 self.assertEqual(crc1.crcValue, table_entry['check'], "Wrong answer for CRC '%s'" % table_entry['name'])
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	486
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	487
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	488 def runtests():
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	489 print "Using extension:", _usingExtension
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	490 print
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	491 unittest.main()
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	492
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	493
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	494 if __name__ == '__main__':
d038f0a9ba49 Vendored crcmod2 into sub-package "cutils.crcmod" as pure-Python implementation of additional "digests": CRC sums. Franz Glasner <fzglas.hg@dom66.de> parents: diff changeset	495 runtests()

Mercurial > hgrepos > Python > apps > py-cutils

annotate cutils/crcmod/python2/test.py @ 180:d038f0a9ba49