cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_struct.py @ 32527:0da660e05e69 legacy-trunk

"#if WITH_THREAD" is incorrect; must be #ifdef instead; WITH_THREAD isn't always set to an integer value when it's defined.

author	Tim Peters <tim.peters@gmail.com>
date	Wed, 07 Jul 2004 20:42:07 +0000
parents	71a294bd7950
children	32df1d05cb2d

rev	line source
24364 aa0d2d51fbde Get rid of relative imports in all unittests. Now anything that Barry Warsaw <barry@python.org> parents: 19924 diff changeset	1 from test.test_support import TestFailed, verbose, verify
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	2 import struct
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	3
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	4 import sys
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	5 ISBIGENDIAN = sys.byteorder == "big"
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	6 del sys
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	7 verify((struct.pack('=i', 1)[0] == chr(0)) == ISBIGENDIAN,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	8 "bigendian determination appears wrong")
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	9
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	10 def string_reverse(s):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	11 chars = list(s)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	12 chars.reverse()
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	13 return "".join(chars)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	14
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	15 def bigendian_to_native(value):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	16 if ISBIGENDIAN:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	17 return value
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	18 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	19 return string_reverse(value)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	20
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	21 def simple_err(func, *args):
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	22 try:
28089 14f65d661084 Get rid of many apply() calls. Guido van Rossum <guido@python.org> parents: 24364 diff changeset	23 func(*args)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	24 except struct.error:
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	25 pass
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	26 else:
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	27 raise TestFailed, "%s%s did not raise struct.error" % (
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	28 func.__name__, args)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	29
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	30 def any_err(func, *args):
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	31 try:
28089 14f65d661084 Get rid of many apply() calls. Guido van Rossum <guido@python.org> parents: 24364 diff changeset	32 func(*args)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	33 except (struct.error, OverflowError, TypeError):
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	34 pass
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	35 else:
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	36 raise TestFailed, "%s%s did not raise error" % (
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	37 func.__name__, args)
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	38
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	39
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	40 simple_err(struct.calcsize, 'Z')
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	41
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	42 sz = struct.calcsize('i')
15540 9d43129c8c55 Update the code to better reflect recommended style: Fred Drake <fdrake@acm.org> parents: 15305 diff changeset	43 if sz * 3 != struct.calcsize('iii'):
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	44 raise TestFailed, 'inconsistent sizes'
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	45
4873 32f6b0d3a66f Change the ``calcsize3'' test to be portable to 64-bit machines. Guido van Rossum <guido@python.org>* parents: 4862 diff changeset	46 fmt = 'cbxxxxxxhhhhiillffd'
32f6b0d3a66f Change the ``calcsize3'' test to be portable to 64-bit machines. Guido van Rossum <guido@python.org>* parents: 4862 diff changeset	47 fmt3 = '3c3b18x12h6i6l6f3d'
32f6b0d3a66f Change the ``calcsize3'' test to be portable to 64-bit machines. Guido van Rossum <guido@python.org>* parents: 4862 diff changeset	48 sz = struct.calcsize(fmt)
32f6b0d3a66f Change the ``calcsize3'' test to be portable to 64-bit machines. Guido van Rossum <guido@python.org>* parents: 4862 diff changeset	49 sz3 = struct.calcsize(fmt3)
15540 9d43129c8c55 Update the code to better reflect recommended style: Fred Drake <fdrake@acm.org> parents: 15305 diff changeset	50 if sz * 3 != sz3:
31515 71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	51 raise TestFailed, 'inconsistent sizes (3%r -> 3%d = %d, %r -> %d)' % (
71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	52 fmt, sz, 3*sz, fmt3, sz3)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	53
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	54 simple_err(struct.pack, 'iii', 3)
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	55 simple_err(struct.pack, 'i', 3, 3, 3)
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	56 simple_err(struct.pack, 'i', 'foo')
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	57 simple_err(struct.unpack, 'd', 'flap')
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	58 s = struct.pack('ii', 1, 2)
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	59 simple_err(struct.unpack, 'iii', s)
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	60 simple_err(struct.unpack, 'i', s)
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	61
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	62 c = 'a'
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	63 b = 1
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	64 h = 255
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	65 i = 65535
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	66 l = 65536
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	67 f = 3.1415
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	68 d = 3.1415
9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	69
4862 7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	70 for prefix in ('', '@', '<', '>', '=', '!'):
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	71 for format in ('xcbhilfd', 'xcBHILfd'):
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	72 format = prefix + format
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	73 if verbose:
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	74 print "trying:", format
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	75 s = struct.pack(format, c, b, h, i, l, f, d)
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	76 cp, bp, hp, ip, lp, fp, dp = struct.unpack(format, s)
15540 9d43129c8c55 Update the code to better reflect recommended style: Fred Drake <fdrake@acm.org> parents: 15305 diff changeset	77 if (cp != c or bp != b or hp != h or ip != i or lp != l or
9d43129c8c55 Update the code to better reflect recommended style: Fred Drake <fdrake@acm.org> parents: 15305 diff changeset	78 int(100 * fp) != int(100 * f) or int(100 * dp) != int(100 * d)):
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	79 # ^^^ calculate only to two decimal places
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	80 raise TestFailed, "unpack/pack not transitive (%s, %s)" % (
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	81 str(format), str((cp, bp, hp, ip, lp, fp, dp)))
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	82
4862 7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	83 # Test some of the new features in detail
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	84
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	85 # (format, argument, big-endian result, little-endian result, asymmetric)
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	86 tests = [
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	87 ('c', 'a', 'a', 'a', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	88 ('xc', 'a', '\0a', '\0a', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	89 ('cx', 'a', 'a\0', 'a\0', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	90 ('s', 'a', 'a', 'a', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	91 ('0s', 'helloworld', '', '', 1),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	92 ('1s', 'helloworld', 'h', 'h', 1),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	93 ('9s', 'helloworld', 'helloworl', 'helloworl', 1),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	94 ('10s', 'helloworld', 'helloworld', 'helloworld', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	95 ('11s', 'helloworld', 'helloworld\0', 'helloworld\0', 1),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	96 ('20s', 'helloworld', 'helloworld'+10'\0', 'helloworld'+10'\0', 1),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	97 ('b', 7, '\7', '\7', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	98 ('b', -7, '\371', '\371', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	99 ('B', 7, '\7', '\7', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	100 ('B', 249, '\371', '\371', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	101 ('h', 700, '\002\274', '\274\002', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	102 ('h', -700, '\375D', 'D\375', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	103 ('H', 700, '\002\274', '\274\002', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	104 ('H', 0x10000-700, '\375D', 'D\375', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	105 ('i', 70000000, '\004,\035\200', '\200\035,\004', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	106 ('i', -70000000, '\373\323\342\200', '\200\342\323\373', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	107 ('I', 70000000L, '\004,\035\200', '\200\035,\004', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	108 ('I', 0x100000000L-70000000, '\373\323\342\200', '\200\342\323\373', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	109 ('l', 70000000, '\004,\035\200', '\200\035,\004', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	110 ('l', -70000000, '\373\323\342\200', '\200\342\323\373', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	111 ('L', 70000000L, '\004,\035\200', '\200\035,\004', 0),
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	112 ('L', 0x100000000L-70000000, '\373\323\342\200', '\200\342\323\373', 0),
4862 7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	113 ('f', 2.0, '@\000\000\000', '\000\000\000@', 0),
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	114 ('d', 2.0, '@\000\000\000\000\000\000\000',
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	115 '\000\000\000\000\000\000\000@', 0),
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	116 ('f', -2.0, '\300\000\000\000', '\000\000\000\300', 0),
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	117 ('d', -2.0, '\300\000\000\000\000\000\000\000',
7d7319811ff0 Added f/d tests for specific byte orders. Guido van Rossum <guido@python.org> parents: 4847 diff changeset	118 '\000\000\000\000\000\000\000\300', 0),
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	119 ]
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	120
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	121 for fmt, arg, big, lil, asy in tests:
d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	122 if verbose:
31515 71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	123 print "%r %r %r %r" % (fmt, arg, big, lil)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	124 for (xfmt, exp) in [('>'+fmt, big), ('!'+fmt, big), ('<'+fmt, lil),
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	125 ('='+fmt, ISBIGENDIAN and big or lil)]:
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	126 res = struct.pack(xfmt, arg)
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	127 if res != exp:
31515 71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	128 raise TestFailed, "pack(%r, %r) -> %r # expected %r" % (
71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	129 fmt, arg, res, exp)
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	130 n = struct.calcsize(xfmt)
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	131 if n != len(res):
31515 71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	132 raise TestFailed, "calcsize(%r) -> %d # expected %d" % (
71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	133 xfmt, n, len(res))
7747 aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	134 rev = struct.unpack(xfmt, res)[0]
aedd2d0dcb31 Mass check-in after untabifying all files that need it. Guido van Rossum <guido@python.org> parents: 4873 diff changeset	135 if rev != arg and not asy:
31515 71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	136 raise TestFailed, "unpack(%r, %r) -> (%r,) # expected (%r,)" % (
71a294bd7950 Replace backticks with repr() or "%r" Walter Dörwald <walter@livinglogic.de> parents: 28334 diff changeset	137 fmt, res, rev, arg)
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	138
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	139 ###########################################################################
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	140 # Simple native q/Q tests.
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	141
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	142 has_native_qQ = 1
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	143 try:
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	144 struct.pack("q", 5)
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	145 except struct.error:
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	146 has_native_qQ = 0
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	147
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	148 if verbose:
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	149 print "Platform has native q/Q?", has_native_qQ and "Yes." or "No."
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	150
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	151 any_err(struct.pack, "Q", -1) # can't pack -1 as unsigned regardless
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	152 simple_err(struct.pack, "q", "a") # can't pack string as 'q' regardless
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	153 simple_err(struct.pack, "Q", "a") # ditto, but 'Q'
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	154
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	155 def test_native_qQ():
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	156 bytes = struct.calcsize('q')
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	157 # The expected values here are in big-endian format, primarily because
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	158 # I'm on a little-endian machine and so this is the clearest way (for
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	159 # me) to force the code to get exercised.
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	160 for format, input, expected in (
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	161 ('q', -1, '\xff' * bytes),
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	162 ('q', 0, '\x00' * bytes),
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	163 ('Q', 0, '\x00' * bytes),
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	164 ('q', 1L, '\x00' * (bytes-1) + '\x01'),
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	165 ('Q', (1L << (8bytes))-1, '\xff' bytes),
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	166 ('q', (1L << (8bytes-1))-1, '\x7f' + '\xff' (bytes - 1))):
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	167 got = struct.pack(format, input)
18070 f901a7dc5fb4 Renamed some stuff to tell the truth about what it does. Tim Peters <tim.peters@gmail.com> parents: 18069 diff changeset	168 native_expected = bigendian_to_native(expected)
f901a7dc5fb4 Renamed some stuff to tell the truth about what it does. Tim Peters <tim.peters@gmail.com> parents: 18069 diff changeset	169 verify(got == native_expected,
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	170 "%r-pack of %r gave %r, not %r" %
18070 f901a7dc5fb4 Renamed some stuff to tell the truth about what it does. Tim Peters <tim.peters@gmail.com> parents: 18069 diff changeset	171 (format, input, got, native_expected))
18069 8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	172 retrieved = struct.unpack(format, got)[0]
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	173 verify(retrieved == input,
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	174 "%r-unpack of %r gave %r, not %r" %
8e187740aa96 Initial support for 'q' and 'Q' struct format codes: for now, only in Tim Peters <tim.peters@gmail.com> parents: 15540 diff changeset	175 (format, got, retrieved, input))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	176
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	177 if has_native_qQ:
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	178 test_native_qQ()
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	179
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	180 ###########################################################################
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	181 # Standard integer tests (bBhHiIlLqQ).
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	182
bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	183 import binascii
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	184
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	185 class IntTester:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	186
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	187 # XXX Most std integer modes fail to test for out-of-range.
18149 2e4c6ba7d09c Added "i" and "l" to the list of std-mode struct codes that don't range- Tim Peters <tim.peters@gmail.com> parents: 18111 diff changeset	188 # The "i" and "l" codes appear to range-check OK on 32-bit boxes, but
2e4c6ba7d09c Added "i" and "l" to the list of std-mode struct codes that don't range- Tim Peters <tim.peters@gmail.com> parents: 18111 diff changeset	189 # fail to check correctly on some 64-bit ones (Tru64 Unix + Compaq C
2e4c6ba7d09c Added "i" and "l" to the list of std-mode struct codes that don't range- Tim Peters <tim.peters@gmail.com> parents: 18111 diff changeset	190 # reported by Mark Favas).
2e4c6ba7d09c Added "i" and "l" to the list of std-mode struct codes that don't range- Tim Peters <tim.peters@gmail.com> parents: 18111 diff changeset	191 BUGGY_RANGE_CHECK = "bBhHiIlL"
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	192
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	193 def __init__(self, formatpair, bytesize):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	194 assert len(formatpair) == 2
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	195 self.formatpair = formatpair
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	196 for direction in "<>!=":
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	197 for code in formatpair:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	198 format = direction + code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	199 verify(struct.calcsize(format) == bytesize)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	200 self.bytesize = bytesize
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	201 self.bitsize = bytesize * 8
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	202 self.signed_code, self.unsigned_code = formatpair
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	203 self.unsigned_min = 0
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	204 self.unsigned_max = 2L**self.bitsize - 1
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	205 self.signed_min = -(2L**(self.bitsize-1))
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	206 self.signed_max = 2L**(self.bitsize-1) - 1
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	207
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	208 def test_one(self, x, pack=struct.pack,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	209 unpack=struct.unpack,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	210 unhexlify=binascii.unhexlify):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	211 if verbose:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	212 print "trying std", self.formatpair, "on", x, "==", hex(x)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	213
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	214 # Try signed.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	215 code = self.signed_code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	216 if self.signed_min <= x <= self.signed_max:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	217 # Try big-endian.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	218 expected = long(x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	219 if x < 0:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	220 expected += 1L << self.bitsize
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	221 assert expected > 0
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	222 expected = hex(expected)[2:-1] # chop "0x" and trailing 'L'
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	223 if len(expected) & 1:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	224 expected = "0" + expected
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	225 expected = unhexlify(expected)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	226 expected = "\x00" * (self.bytesize - len(expected)) + expected
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	227
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	228 # Pack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	229 format = ">" + code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	230 got = pack(format, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	231 verify(got == expected,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	232 "'%s'-pack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	233 (format, x, got, expected))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	234
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	235 # Unpack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	236 retrieved = unpack(format, got)[0]
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	237 verify(x == retrieved,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	238 "'%s'-unpack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	239 (format, got, retrieved, x))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	240
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	241 # Adding any byte should cause a "too big" error.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	242 any_err(unpack, format, '\x01' + got)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	243
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	244 # Try little-endian.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	245 format = "<" + code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	246 expected = string_reverse(expected)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	247
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	248 # Pack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	249 got = pack(format, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	250 verify(got == expected,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	251 "'%s'-pack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	252 (format, x, got, expected))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	253
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	254 # Unpack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	255 retrieved = unpack(format, got)[0]
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	256 verify(x == retrieved,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	257 "'%s'-unpack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	258 (format, got, retrieved, x))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	259
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	260 # Adding any byte should cause a "too big" error.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	261 any_err(unpack, format, '\x01' + got)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	262
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	263 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	264 # x is out of range -- verify pack realizes that.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	265 if code in self.BUGGY_RANGE_CHECK:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	266 if verbose:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	267 print "Skipping buggy range check for code", code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	268 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	269 any_err(pack, ">" + code, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	270 any_err(pack, "<" + code, x)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	271
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	272 # Much the same for unsigned.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	273 code = self.unsigned_code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	274 if self.unsigned_min <= x <= self.unsigned_max:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	275 # Try big-endian.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	276 format = ">" + code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	277 expected = long(x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	278 expected = hex(expected)[2:-1] # chop "0x" and trailing 'L'
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	279 if len(expected) & 1:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	280 expected = "0" + expected
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	281 expected = unhexlify(expected)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	282 expected = "\x00" * (self.bytesize - len(expected)) + expected
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	283
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	284 # Pack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	285 got = pack(format, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	286 verify(got == expected,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	287 "'%s'-pack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	288 (format, x, got, expected))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	289
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	290 # Unpack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	291 retrieved = unpack(format, got)[0]
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	292 verify(x == retrieved,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	293 "'%s'-unpack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	294 (format, got, retrieved, x))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	295
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	296 # Adding any byte should cause a "too big" error.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	297 any_err(unpack, format, '\x01' + got)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	298
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	299 # Try little-endian.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	300 format = "<" + code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	301 expected = string_reverse(expected)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	302
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	303 # Pack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	304 got = pack(format, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	305 verify(got == expected,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	306 "'%s'-pack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	307 (format, x, got, expected))
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	308
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	309 # Unpack work?
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	310 retrieved = unpack(format, got)[0]
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	311 verify(x == retrieved,
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	312 "'%s'-unpack of %r gave %r, not %r" %
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	313 (format, got, retrieved, x))
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	314
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	315 # Adding any byte should cause a "too big" error.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	316 any_err(unpack, format, '\x01' + got)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	317
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	318 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	319 # x is out of range -- verify pack realizes that.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	320 if code in self.BUGGY_RANGE_CHECK:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	321 if verbose:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	322 print "Skipping buggy range check for code", code
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	323 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	324 any_err(pack, ">" + code, x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	325 any_err(pack, "<" + code, x)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	326
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	327 def run(self):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	328 from random import randrange
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	329
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	330 # Create all interesting powers of 2.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	331 values = []
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	332 for exp in range(self.bitsize + 3):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	333 values.append(1L << exp)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	334
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	335 # Add some random values.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	336 for i in range(self.bitsize):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	337 val = 0L
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	338 for j in range(self.bytesize):
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	339 val = (val << 8) \| randrange(256)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	340 values.append(val)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	341
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	342 # Try all those, and their negations, and +-1 from them. Note
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	343 # that this tests all power-of-2 boundaries in range, and a few out
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	344 # of range, plus +-(2**n +- 1).
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	345 for base in values:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	346 for val in -base, base:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	347 for incr in -1, 0, 1:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	348 x = val + incr
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	349 try:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	350 x = int(x)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	351 except OverflowError:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	352 pass
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	353 self.test_one(x)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	354
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	355 # Some error cases.
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	356 for direction in "<>":
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	357 for code in self.formatpair:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	358 for badobject in "a string", 3+42j, randrange:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	359 any_err(struct.pack, direction + code, badobject)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	360
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	361 for args in [("bB", 1),
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	362 ("hH", 2),
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	363 ("iI", 4),
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	364 ("lL", 4),
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	365 ("qQ", 8)]:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	366 t = IntTester(*args)
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	367 t.run()
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	368
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	369
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	370 ###########################################################################
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	371 # The p ("Pascal string") code.
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	372
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	373 def test_p_code():
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	374 for code, input, expected, expectedback in [
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	375 ('p','abc', '\x00', ''),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	376 ('1p', 'abc', '\x00', ''),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	377 ('2p', 'abc', '\x01a', 'a'),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	378 ('3p', 'abc', '\x02ab', 'ab'),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	379 ('4p', 'abc', '\x03abc', 'abc'),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	380 ('5p', 'abc', '\x03abc\x00', 'abc'),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	381 ('6p', 'abc', '\x03abc\x00\x00', 'abc'),
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	382 ('1000p', 'x'1000, '\xff' + 'x'999, 'x'*255)]:
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	383 got = struct.pack(code, input)
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	384 if got != expected:
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	385 raise TestFailed("pack(%r, %r) == %r but expected %r" %
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	386 (code, input, got, expected))
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	387 (got,) = struct.unpack(code, got)
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	388 if got != expectedback:
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	389 raise TestFailed("unpack(%r, %r) == %r but expected %r" %
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	390 (code, input, got, expectedback))
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	391
01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	392 test_p_code()
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	393
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	394
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	395 ###########################################################################
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	396 # SF bug 705836. "<f" and ">f" had a severe rounding bug, where a carry
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	397 # from the low-order discarded bits could propagate into the exponent
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	398 # field, causing the result to be wrong by a factor of 2.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	399
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	400 def test_705836():
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	401 import math
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	402
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	403 for base in range(1, 33):
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	404 # smaller <- largest representable float less than base.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	405 delta = 0.5
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	406 while base - delta / 2.0 != base:
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	407 delta /= 2.0
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	408 smaller = base - delta
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	409 # Packing this rounds away a solid string of trailing 1 bits.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	410 packed = struct.pack("<f", smaller)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	411 unpacked = struct.unpack("<f", packed)[0]
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	412 # This failed at base = 2, 4, and 32, with unpacked = 1, 2, and
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	413 # 16, respectively.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	414 verify(base == unpacked)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	415 bigpacked = struct.pack(">f", smaller)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	416 verify(bigpacked == string_reverse(packed),
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	417 ">f pack should be byte-reversal of <f pack")
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	418 unpacked = struct.unpack(">f", bigpacked)[0]
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	419 verify(base == unpacked)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	420
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	421 # Largest finite IEEE single.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	422 big = (1 << 24) - 1
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	423 big = math.ldexp(big, 127 - 23)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	424 packed = struct.pack(">f", big)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	425 unpacked = struct.unpack(">f", packed)[0]
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	426 verify(big == unpacked)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	427
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	428 # The same, but tack on a 1 bit so it rounds up to infinity.
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	429 big = (1 << 25) - 1
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	430 big = math.ldexp(big, 127 - 24)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	431 try:
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	432 packed = struct.pack(">f", big)
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	433 except OverflowError:
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	434 pass
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	435 else:
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	436 TestFailed("expected OverflowError")
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	437
9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	438 test_705836()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_struct.py @ 32527:0da660e05e69 legacy-trunk