79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
#!/usr/bin/env python
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#
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# Public Domain 2014-2015 MongoDB, Inc.
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# Public Domain 2008-2014 WiredTiger, Inc.
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#
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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from packing import pack, unpack
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def check_common(fmt, verbose, *v):
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v = list(v)
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packed = pack(fmt, *v)
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unpacked = unpack(fmt, packed)
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if unpacked == v:
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result = 'ok'
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else:
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result = '** FAIL!'
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print '* %s as %s: %s' % (repr(v), fmt, result)
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if verbose or unpacked != v:
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print '** packed: ', ''.join('%02x' % ord(c) for c in packed)
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print '** unpacked: ', unpacked
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def check(fmt, *v):
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check_common(fmt, False, *v)
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def check_verbose(fmt, *v):
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check_common(fmt, True, *v)
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if __name__ == '__main__':
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import sys
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if 'verbose' in sys.argv:
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check = check_verbose
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check('iii', 0, 101, -99)
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check('3i', 0, 101, -99)
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check('iS', 42, "forty two")
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#
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check('S', 'abc')
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check('9S', 'a' * 9)
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check('9SS', "forty two", "spam egg")
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check('42S', 'a' * 42)
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check('42SS', 'a' * 42, 'something')
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check('S42S', 'something', 'a' * 42)
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# nul terminated string with padding
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check('10SS', 'aaaaa\x00\x00\x00\x00\x00', 'something')
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check('S10S', 'something', 'aaaaa\x00\x00\x00\x00\x00')
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check('u', r"\x42" * 20)
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check('uu', r"\x42" * 10, r"\x42" * 10)
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check('3u', r"\x4")
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check('3uu', r"\x4", r"\x42" * 10)
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check('u3u', r"\x42" * 10, r"\x4")
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check('s', "4")
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check("2s", "42")
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