cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_struct.py @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.

author	Andrew Svetlov <andrew.svetlov@gmail.com>
date	Thu, 29 Nov 2012 19:51:28 +0200
parents	fa95b04e67fd
children	be4bec689de3

rev	line source
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	1 import os
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	2 import array
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	3 import unittest
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	4 import struct
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	5 import inspect
78317 fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	6 from test import test_support as support
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	7 from test.test_support import (check_warnings, check_py3k_warnings)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	8
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	9 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	10 ISBIGENDIAN = sys.byteorder == "big"
48834 75f64fd1f113 Fix bug 3625: test issues on 64bit windows. r=pitrou Mark Hammond <mhammond@skippinet.com.au> parents: 47942 diff changeset	11 IS32BIT = sys.maxsize == 0x7fffffff
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	12
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	13 integer_codes = 'b', 'B', 'h', 'H', 'i', 'I', 'l', 'L', 'q', 'Q'
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	14
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	15 testmod_filename = os.path.splitext(__file__)[0] + '.py'
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	16 # Native 'q' packing isn't available on systems that don't have the C
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	17 # long long type.
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	18 try:
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	19 struct.pack('q', 5)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	20 except struct.error:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	21 HAVE_LONG_LONG = False
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	22 else:
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	23 HAVE_LONG_LONG = True
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38355 diff changeset	24
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	25 def string_reverse(s):
38615 c4b44222a599 Access _struct attributes directly instead of mucking with getattr. Tim Peters <tim.peters@gmail.com> parents: 38580 diff changeset	26 return "".join(reversed(s))
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	27
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	28 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	29 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	30 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	31 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	32 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	33
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	34 class StructTest(unittest.TestCase):
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	35
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	36 def check_float_coerce(self, format, number):
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	37 # SF bug 1530559. struct.pack raises TypeError where it used
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	38 # to convert.
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	39 with check_warnings((".*integer argument expected, got float",
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	40 DeprecationWarning)) as w:
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	41 got = struct.pack(format, number)
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	42 lineno = inspect.currentframe().f_lineno - 1
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	43 self.assertEqual(w.filename, testmod_filename)
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	44 self.assertEqual(w.lineno, lineno)
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	45 self.assertEqual(len(w.warnings), 1)
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	46 expected = struct.pack(format, int(number))
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	47 self.assertEqual(got, expected)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	48
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	49 def test_isbigendian(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	50 self.assertEqual((struct.pack('=i', 1)[0] == chr(0)), ISBIGENDIAN)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	51
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	52 def test_consistence(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	53 self.assertRaises(struct.error, struct.calcsize, 'Z')
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	54
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	55 sz = struct.calcsize('i')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	56 self.assertEqual(sz * 3, struct.calcsize('iii'))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	57
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	58 fmt = 'cbxxxxxxhhhhiillffd?'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	59 fmt3 = '3c3b18x12h6i6l6f3d3?'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	60 sz = struct.calcsize(fmt)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	61 sz3 = struct.calcsize(fmt3)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	62 self.assertEqual(sz * 3, sz3)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	63
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	64 self.assertRaises(struct.error, struct.pack, 'iii', 3)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	65 self.assertRaises(struct.error, struct.pack, 'i', 3, 3, 3)
62897 815ae7f3732b Merged revisions 82739,82741 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62891 diff changeset	66 self.assertRaises((TypeError, struct.error), struct.pack, 'i', 'foo')
815ae7f3732b Merged revisions 82739,82741 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62891 diff changeset	67 self.assertRaises((TypeError, struct.error), struct.pack, 'P', 'foo')
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	68 self.assertRaises(struct.error, struct.unpack, 'd', 'flap')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	69 s = struct.pack('ii', 1, 2)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	70 self.assertRaises(struct.error, struct.unpack, 'iii', s)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	71 self.assertRaises(struct.error, struct.unpack, 'i', s)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	72
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	73 def test_transitiveness(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	74 c = 'a'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	75 b = 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	76 h = 255
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	77 i = 65535
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	78 l = 65536
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	79 f = 3.1415
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	80 d = 3.1415
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	81 t = True
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	82
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	83 for prefix in ('', '@', '<', '>', '=', '!'):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	84 for format in ('xcbhilfd?', 'xcBHILfd?'):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	85 format = prefix + format
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	86 s = struct.pack(format, c, b, h, i, l, f, d, t)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	87 cp, bp, hp, ip, lp, fp, dp, tp = struct.unpack(format, s)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	88 self.assertEqual(cp, c)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	89 self.assertEqual(bp, b)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	90 self.assertEqual(hp, h)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	91 self.assertEqual(ip, i)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	92 self.assertEqual(lp, l)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	93 self.assertEqual(int(100 * fp), int(100 * f))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	94 self.assertEqual(int(100 * dp), int(100 * d))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	95 self.assertEqual(tp, t)
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	96
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	97 def test_new_features(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	98 # Test some of the new features in detail
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	99 # (format, argument, big-endian result, little-endian result, asymmetric)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	100 tests = [
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	101 ('c', 'a', 'a', 'a', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	102 ('xc', 'a', '\0a', '\0a', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	103 ('cx', 'a', 'a\0', 'a\0', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	104 ('s', 'a', 'a', 'a', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	105 ('0s', 'helloworld', '', '', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	106 ('1s', 'helloworld', 'h', 'h', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	107 ('9s', 'helloworld', 'helloworl', 'helloworl', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	108 ('10s', 'helloworld', 'helloworld', 'helloworld', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	109 ('11s', 'helloworld', 'helloworld\0', 'helloworld\0', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	110 ('20s', 'helloworld', 'helloworld'+10'\0', 'helloworld'+10'\0', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	111 ('b', 7, '\7', '\7', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	112 ('b', -7, '\371', '\371', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	113 ('B', 7, '\7', '\7', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	114 ('B', 249, '\371', '\371', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	115 ('h', 700, '\002\274', '\274\002', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	116 ('h', -700, '\375D', 'D\375', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	117 ('H', 700, '\002\274', '\274\002', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	118 ('H', 0x10000-700, '\375D', 'D\375', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	119 ('i', 70000000, '\004,\035\200', '\200\035,\004', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	120 ('i', -70000000, '\373\323\342\200', '\200\342\323\373', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	121 ('I', 70000000L, '\004,\035\200', '\200\035,\004', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	122 ('I', 0x100000000L-70000000, '\373\323\342\200', '\200\342\323\373', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	123 ('l', 70000000, '\004,\035\200', '\200\035,\004', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	124 ('l', -70000000, '\373\323\342\200', '\200\342\323\373', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	125 ('L', 70000000L, '\004,\035\200', '\200\035,\004', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	126 ('L', 0x100000000L-70000000, '\373\323\342\200', '\200\342\323\373', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	127 ('f', 2.0, '@\000\000\000', '\000\000\000@', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	128 ('d', 2.0, '@\000\000\000\000\000\000\000',
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	129 '\000\000\000\000\000\000\000@', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	130 ('f', -2.0, '\300\000\000\000', '\000\000\000\300', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	131 ('d', -2.0, '\300\000\000\000\000\000\000\000',
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	132 '\000\000\000\000\000\000\000\300', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	133 ('?', 0, '\0', '\0', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	134 ('?', 3, '\1', '\1', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	135 ('?', True, '\1', '\1', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	136 ('?', [], '\0', '\0', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	137 ('?', (1,), '\1', '\1', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 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
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	140 for fmt, arg, big, lil, asy in tests:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	141 for (xfmt, exp) in [('>'+fmt, big), ('!'+fmt, big), ('<'+fmt, lil),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	142 ('='+fmt, ISBIGENDIAN and big or lil)]:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	143 res = struct.pack(xfmt, arg)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	144 self.assertEqual(res, exp)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	145 self.assertEqual(struct.calcsize(xfmt), len(res))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	146 rev = struct.unpack(xfmt, res)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	147 if rev != arg:
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52540 diff changeset	148 self.assertTrue(asy)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	149
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	150 def test_calcsize(self):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	151 expected_size = {
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	152 'b': 1, 'B': 1,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	153 'h': 2, 'H': 2,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	154 'i': 4, 'I': 4,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	155 'l': 4, 'L': 4,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	156 'q': 8, 'Q': 8,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	157 }
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	158
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	159 # standard integer sizes
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	160 for code in integer_codes:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	161 for byteorder in ('=', '<', '>', '!'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	162 format = byteorder+code
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	163 size = struct.calcsize(format)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	164 self.assertEqual(size, expected_size[code])
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	165
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	166 # native integer sizes, except 'q' and 'Q'
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	167 for format_pair in ('bB', 'hH', 'iI', 'lL'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	168 for byteorder in ['', '@']:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	169 signed_size = struct.calcsize(byteorder + format_pair[0])
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	170 unsigned_size = struct.calcsize(byteorder + format_pair[1])
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	171 self.assertEqual(signed_size, unsigned_size)
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	172
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	173 # bounds for native integer sizes
60303 460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	174 self.assertEqual(struct.calcsize('b'), 1)
460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	175 self.assertLessEqual(2, struct.calcsize('h'))
460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	176 self.assertLessEqual(4, struct.calcsize('l'))
460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	177 self.assertLessEqual(struct.calcsize('h'), struct.calcsize('i'))
460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	178 self.assertLessEqual(struct.calcsize('i'), struct.calcsize('l'))
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	179
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	180 # tests for native 'q' and 'Q' when applicable
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	181 if HAVE_LONG_LONG:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	182 self.assertEqual(struct.calcsize('q'), struct.calcsize('Q'))
60303 460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	183 self.assertLessEqual(8, struct.calcsize('q'))
460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	184 self.assertLessEqual(struct.calcsize('l'), struct.calcsize('q'))
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	185
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	186 def test_integers(self):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	187 # Integer tests (bBhHiIlLqQ).
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	188 import binascii
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	189
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	190 class IntTester(unittest.TestCase):
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	191 def __init__(self, format):
52540 11d6e538a279 The unittest.TestCase.assertEqual() now displays the differences in lists, Gregory P. Smith <greg@mad-scientist.com> parents: 51597 diff changeset	192 super(IntTester, self).__init__(methodName='test_one')
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	193 self.format = format
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	194 self.code = format[-1]
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	195 self.direction = format[:-1]
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	196 if not self.direction in ('', '@', '=', '<', '>', '!'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	197 raise ValueError("unrecognized packing direction: %s" %
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	198 self.direction)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	199 self.bytesize = struct.calcsize(format)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	200 self.bitsize = self.bytesize * 8
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	201 if self.code in tuple('bhilq'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	202 self.signed = True
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	203 self.min_value = -(2L**(self.bitsize-1))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	204 self.max_value = 2L**(self.bitsize-1) - 1
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	205 elif self.code in tuple('BHILQ'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	206 self.signed = False
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	207 self.min_value = 0
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	208 self.max_value = 2L**self.bitsize - 1
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	209 else:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	210 raise ValueError("unrecognized format code: %s" %
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	211 self.code)
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	212
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	213 def test_one(self, x, pack=struct.pack,
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	214 unpack=struct.unpack,
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	215 unhexlify=binascii.unhexlify):
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	216
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	217 format = self.format
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	218 if self.min_value <= x <= self.max_value:
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	219 expected = long(x)
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	220 if self.signed and x < 0:
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	221 expected += 1L << self.bitsize
60303 460f41bd0e34 Use more specific assert* methods in test_struct. Ezio Melotti <ezio.melotti@gmail.com> parents: 60238 diff changeset	222 self.assertGreaterEqual(expected, 0)
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	223 expected = '%x' % expected
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	224 if len(expected) & 1:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	225 expected = "0" + expected
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	226 expected = unhexlify(expected)
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	227 expected = ("\x00" * (self.bytesize - len(expected)) +
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	228 expected)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	229 if (self.direction == '<' or
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	230 self.direction in ('', '@', '=') and not ISBIGENDIAN):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	231 expected = string_reverse(expected)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	232 self.assertEqual(len(expected), self.bytesize)
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	233
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	234 # Pack work?
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	235 got = pack(format, x)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	236 self.assertEqual(got, expected)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	237
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	238 # Unpack work?
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	239 retrieved = unpack(format, got)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	240 self.assertEqual(x, retrieved)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	241
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	242 # Adding any byte should cause a "too big" error.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	243 self.assertRaises((struct.error, TypeError), unpack, format,
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	244 '\x01' + got)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	245 else:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	246 # x is out of range -- verify pack realizes that.
62933 28755eb53f38 Merged revisions 82777 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62902 diff changeset	247 self.assertRaises((OverflowError, ValueError, struct.error),
28755eb53f38 Merged revisions 82777 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62902 diff changeset	248 pack, format, 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	249
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	250 def run(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	251 from random import randrange
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	252
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	253 # Create all interesting powers of 2.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	254 values = []
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	255 for exp in range(self.bitsize + 3):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	256 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	257
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	258 # Add some random values.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	259 for i in range(self.bitsize):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	260 val = 0L
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	261 for j in range(self.bytesize):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	262 val = (val << 8) \| randrange(256)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	263 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	264
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	265 # Values absorbed from other tests
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	266 values.extend([300, 700000, sys.maxint*4])
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	267
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	268 # Try all those, and their negations, and +-1 from
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	269 # them. Note that this tests all power-of-2
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	270 # boundaries in range, and a few out of range, plus
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	271 # +-(2**n +- 1).
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	272 for base in values:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	273 for val in -base, base:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	274 for incr in -1, 0, 1:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	275 x = val + incr
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	276 self.test_one(int(x))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	277 self.test_one(long(x))
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	278
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	279 # Some error cases.
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	280 class NotAnIntNS(object):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	281 def __int__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	282 return 42
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	283
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	284 def __long__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	285 return 1729L
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	286
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	287 class NotAnIntOS:
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	288 def __int__(self):
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	289 return 85
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	290
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	291 def __long__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	292 return -163L
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	293
60308 c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	294 # Objects with an '__index__' method should be allowed
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	295 # to pack as integers. That is assuming the implemented
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	296 # '__index__' method returns and 'int' or 'long'.
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	297 class Indexable(object):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	298 def __init__(self, value):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	299 self._value = value
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	300
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	301 def __index__(self):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	302 return self._value
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	303
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	304 # If the '__index__' method raises a type error, then
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	305 # '__int__' should be used with a deprecation warning.
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	306 class BadIndex(object):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	307 def __index__(self):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	308 raise TypeError
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	309
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	310 def __int__(self):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	311 return 42
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	312
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	313 self.assertRaises((TypeError, struct.error),
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	314 struct.pack, self.format,
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	315 "a string")
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	316 self.assertRaises((TypeError, struct.error),
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	317 struct.pack, self.format,
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	318 randrange)
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	319 with check_warnings(("integer argument expected, "
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	320 "got non-integer", DeprecationWarning)):
62902 d41a31f5bf82 this makes checking for warnings less error prone Benjamin Peterson <benjamin@python.org> parents: 62897 diff changeset	321 with self.assertRaises((TypeError, struct.error)):
d41a31f5bf82 this makes checking for warnings less error prone Benjamin Peterson <benjamin@python.org> parents: 62897 diff changeset	322 struct.pack(self.format, 3+42j)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	323
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	324 # an attempt to convert a non-integer (with an
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	325 # implicit conversion via __int__) should succeed,
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	326 # with a DeprecationWarning
60308 c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	327 for nonint in NotAnIntNS(), NotAnIntOS(), BadIndex():
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	328 with check_warnings((".*integer argument expected, got non"
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	329 "-integer", DeprecationWarning)) as w:
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	330 got = struct.pack(self.format, nonint)
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	331 lineno = inspect.currentframe().f_lineno - 1
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	332 self.assertEqual(w.filename, testmod_filename)
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	333 self.assertEqual(w.lineno, lineno)
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	334 self.assertEqual(len(w.warnings), 1)
59436 cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	335 expected = struct.pack(self.format, int(nonint))
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	336 self.assertEqual(got, expected)
cfb442d702cd Issue #1530559: When packing a non-integer with any integer conversion Mark Dickinson <dickinsm@gmail.com> parents: 59364 diff changeset	337
60308 c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	338 # Check for legitimate values from '__index__'.
60238 0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	339 for obj in (Indexable(0), Indexable(10), Indexable(17),
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	340 Indexable(42), Indexable(100), Indexable(127)):
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	341 try:
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	342 struct.pack(format, obj)
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	343 except:
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	344 self.fail("integer code pack failed on object "
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	345 "with '__index__' method")
0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	346
60308 c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	347 # Check for bogus values from '__index__'.
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	348 for obj in (Indexable('a'), Indexable(u'b'), Indexable(None),
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	349 Indexable({'a': 1}), Indexable([1, 2, 3])):
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	350 self.assertRaises((TypeError, struct.error),
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	351 struct.pack, self.format,
c399e93bf0e4 Issue #8300 (__index__ handling in struct.pack): Remove redundant check Mark Dickinson <dickinsm@gmail.com> parents: 60303 diff changeset	352 obj)
60238 0540a9628698 Issue #8300: Let struct.pack use __index__ to convert and pack non-integers. Mark Dickinson <dickinsm@gmail.com> parents: 59774 diff changeset	353
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	354 byteorders = '', '@', '=', '<', '>', '!'
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	355 for code in integer_codes:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	356 for byteorder in byteorders:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	357 if (byteorder in ('', '@') and code in ('q', 'Q') and
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	358 not HAVE_LONG_LONG):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	359 continue
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	360 format = byteorder+code
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	361 t = IntTester(format)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	362 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	363
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	364 def test_p_code(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	365 # Test p ("Pascal string") code.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	366 for code, input, expected, expectedback in [
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	367 ('p','abc', '\x00', ''),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	368 ('1p', 'abc', '\x00', ''),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	369 ('2p', 'abc', '\x01a', 'a'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	370 ('3p', 'abc', '\x02ab', 'ab'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	371 ('4p', 'abc', '\x03abc', 'abc'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	372 ('5p', 'abc', '\x03abc\x00', 'abc'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	373 ('6p', 'abc', '\x03abc\x00\x00', 'abc'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	374 ('1000p', 'x'1000, '\xff' + 'x'999, 'x'*255)]:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	375 got = struct.pack(code, input)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	376 self.assertEqual(got, expected)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	377 (got,) = struct.unpack(code, got)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	378 self.assertEqual(got, expectedback)
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	379
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	380 def test_705836(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	381 # SF bug 705836. "<f" and ">f" had a severe rounding bug, where a carry
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	382 # from the low-order discarded bits could propagate into the exponent
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	383 # field, causing the result to be wrong by a factor of 2.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	384 import math
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	385
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	386 for base in range(1, 33):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	387 # smaller <- largest representable float less than base.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	388 delta = 0.5
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	389 while base - delta / 2.0 != base:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	390 delta /= 2.0
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	391 smaller = base - delta
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	392 # Packing this rounds away a solid string of trailing 1 bits.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	393 packed = struct.pack("<f", smaller)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	394 unpacked = struct.unpack("<f", packed)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	395 # This failed at base = 2, 4, and 32, with unpacked = 1, 2, and
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	396 # 16, respectively.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	397 self.assertEqual(base, unpacked)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	398 bigpacked = struct.pack(">f", smaller)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	399 self.assertEqual(bigpacked, string_reverse(packed))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	400 unpacked = struct.unpack(">f", bigpacked)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	401 self.assertEqual(base, unpacked)
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	402
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	403 # Largest finite IEEE single.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	404 big = (1 << 24) - 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	405 big = math.ldexp(big, 127 - 23)
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	406 packed = struct.pack(">f", big)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	407 unpacked = struct.unpack(">f", packed)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	408 self.assertEqual(big, unpacked)
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 33599 diff changeset	409
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	410 # The same, but tack on a 1 bit so it rounds up to infinity.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	411 big = (1 << 25) - 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	412 big = math.ldexp(big, 127 - 24)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	413 self.assertRaises(OverflowError, struct.pack, ">f", big)
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	414
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	415 def test_1530559(self):
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	416 # SF bug 1530559. struct.pack raises TypeError where it used to convert.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	417 for endian in ('', '>', '<'):
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	418 for fmt in integer_codes:
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	419 self.check_float_coerce(endian + fmt, 1.0)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	420 self.check_float_coerce(endian + fmt, 1.5)
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	421
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	422 def test_unpack_from(self, cls=str):
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	423 data = cls('abcd01234')
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	424 fmt = '4s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	425 s = struct.Struct(fmt)
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	426
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	427 self.assertEqual(s.unpack_from(data), ('abcd',))
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	428 self.assertEqual(struct.unpack_from(fmt, data), ('abcd',))
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	429 for i in xrange(6):
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	430 self.assertEqual(s.unpack_from(data, i), (data[i:i+4],))
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	431 self.assertEqual(struct.unpack_from(fmt, data, i), (data[i:i+4],))
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	432 for i in xrange(6, len(data) + 1):
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	433 self.assertRaises(struct.error, s.unpack_from, data, i)
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	434 self.assertRaises(struct.error, struct.unpack_from, fmt, data, i)
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	435
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	436 def test_pack_into(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	437 test_string = 'Reykjavik rocks, eow!'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	438 writable_buf = array.array('c', ' '*100)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	439 fmt = '21s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	440 s = struct.Struct(fmt)
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	441
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	442 # Test without offset
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	443 s.pack_into(writable_buf, 0, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	444 from_buf = writable_buf.tostring()[:len(test_string)]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	445 self.assertEqual(from_buf, test_string)
38545 21e8dd3e3945 Fixed struct test to not use unittest. Martin Blais <blais@furius.ca> parents: 38522 diff changeset	446
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	447 # Test with offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	448 s.pack_into(writable_buf, 10, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	449 from_buf = writable_buf.tostring()[:len(test_string)+10]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	450 self.assertEqual(from_buf, test_string[:10] + test_string)
50143 4d2422989981 Issue #4228: Pack negative values the same way as 2.4 Martin v. Löwis <martin@v.loewis.de> parents: 45390 diff changeset	451
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	452 # Go beyond boundaries.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	453 small_buf = array.array('c', ' '*10)
62857 a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	454 self.assertRaises((ValueError, struct.error), s.pack_into, small_buf, 0,
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	455 test_string)
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	456 self.assertRaises((ValueError, struct.error), s.pack_into, small_buf, 2,
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	457 test_string)
50143 4d2422989981 Issue #4228: Pack negative values the same way as 2.4 Martin v. Löwis <martin@v.loewis.de> parents: 45390 diff changeset	458
52909 f3b26a729e82 Merged revisions 69578-69580,69901,69907,69994,70022-70023,70025-70026,70166,70273,70275,70342,70386-70387,70389-70390,70392-70393,70395,70397,70400,70418 via svnmerge Georg Brandl <georg@python.org> parents: 50424 diff changeset	459 # Test bogus offset (issue 3694)
f3b26a729e82 Merged revisions 69578-69580,69901,69907,69994,70022-70023,70025-70026,70166,70273,70275,70342,70386-70387,70389-70390,70392-70393,70395,70397,70400,70418 via svnmerge Georg Brandl <georg@python.org> parents: 50424 diff changeset	460 sb = small_buf
62897 815ae7f3732b Merged revisions 82739,82741 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62891 diff changeset	461 self.assertRaises((TypeError, struct.error), struct.pack_into, b'', sb,
815ae7f3732b Merged revisions 82739,82741 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62891 diff changeset	462 None)
50143 4d2422989981 Issue #4228: Pack negative values the same way as 2.4 Martin v. Löwis <martin@v.loewis.de> parents: 45390 diff changeset	463
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	464 def test_pack_into_fn(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	465 test_string = 'Reykjavik rocks, eow!'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	466 writable_buf = array.array('c', ' '*100)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	467 fmt = '21s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	468 pack_into = lambda args: struct.pack_into(fmt, args)
38545 21e8dd3e3945 Fixed struct test to not use unittest. Martin Blais <blais@furius.ca> parents: 38522 diff changeset	469
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	470 # Test without offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	471 pack_into(writable_buf, 0, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	472 from_buf = writable_buf.tostring()[:len(test_string)]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	473 self.assertEqual(from_buf, test_string)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	474
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	475 # Test with offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	476 pack_into(writable_buf, 10, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	477 from_buf = writable_buf.tostring()[:len(test_string)+10]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	478 self.assertEqual(from_buf, test_string[:10] + test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	479
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	480 # Go beyond boundaries.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	481 small_buf = array.array('c', ' '*10)
62857 a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	482 self.assertRaises((ValueError, struct.error), pack_into, small_buf, 0,
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	483 test_string)
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	484 self.assertRaises((ValueError, struct.error), pack_into, small_buf, 2,
a0082a74d125 Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62848 diff changeset	485 test_string)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	486
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	487 def test_unpack_with_buffer(self):
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	488 with check_py3k_warnings(("buffer.. not supported in 3.x",
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	489 DeprecationWarning)):
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	490 # SF bug 1563759: struct.unpack doesn't support buffer protocol objects
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	491 data1 = array.array('B', '\x12\x34\x56\x78')
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	492 data2 = buffer('......\x12\x34\x56\x78......', 6, 4)
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	493 for data in [data1, data2]:
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	494 value, = struct.unpack('>I', data)
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	495 self.assertEqual(value, 0x12345678)
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	496
2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	497 self.test_unpack_from(cls=buffer)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	498
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	499 def test_bool(self):
62848 e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	500 class ExplodingBool(object):
e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	501 def __nonzero__(self):
e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	502 raise IOError
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	503 for prefix in tuple("<>!=")+('',):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	504 false = (), [], [], '', 0
63649 2aca34460fdb Merged revisions 79156 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 62284 diff changeset	505 true = [1], 'test', 5, -1, 0xffffffffL+1, 0xffffffff//2
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	506
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	507 falseFormat = prefix + '?' * len(false)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	508 packedFalse = struct.pack(falseFormat, *false)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	509 unpackedFalse = struct.unpack(falseFormat, packedFalse)
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	510
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	511 trueFormat = prefix + '?' * len(true)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	512 packedTrue = struct.pack(trueFormat, *true)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	513 unpackedTrue = struct.unpack(trueFormat, packedTrue)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	514
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	515 self.assertEqual(len(true), len(unpackedTrue))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	516 self.assertEqual(len(false), len(unpackedFalse))
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	517
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	518 for t in unpackedFalse:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	519 self.assertFalse(t)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	520 for t in unpackedTrue:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	521 self.assertTrue(t)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38277 diff changeset	522
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	523 packed = struct.pack(prefix+'?', 1)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	524
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	525 self.assertEqual(len(packed), struct.calcsize(prefix+'?'))
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	526
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	527 if len(packed) != 1:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	528 self.assertFalse(prefix, msg='encoded bool is not one byte: %r'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	529 %packed)
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	530
62848 e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	531 self.assertRaises(IOError, struct.pack, prefix + '?',
e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	532 ExplodingBool())
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	533
62848 e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	534 for c in [b'\x01', b'\x7f', b'\xff', b'\x0f', b'\xf0']:
e7da968e3e5a Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62252 diff changeset	535 self.assertTrue(struct.unpack('>?', c)[0])
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	536
59774 4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	537 @unittest.skipUnless(IS32BIT, "Specific to 32bit machines")
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	538 def test_crasher(self):
4f719be7c875 Cleanup test_struct using check_warnings. Florent Xicluna <florent.xicluna@gmail.com> parents: 59436 diff changeset	539 self.assertRaises(MemoryError, struct.pack, "357913941c", "a")
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	540
62284 80110fd43191 Merged revisions 81904 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60392 diff changeset	541 def test_count_overflow(self):
62252 7db7f8442414 Fix possible undefined behaviour from signed overflow in struct module. Mark Dickinson <dickinsm@gmail.com> parents: 60308 diff changeset	542 hugecount = '{}b'.format(sys.maxsize+1)
62284 80110fd43191 Merged revisions 81904 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60392 diff changeset	543 self.assertRaises(struct.error, struct.calcsize, hugecount)
38574 6f7404f3fc57 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 38545 diff changeset	544
62252 7db7f8442414 Fix possible undefined behaviour from signed overflow in struct module. Mark Dickinson <dickinsm@gmail.com> parents: 60308 diff changeset	545 hugecount2 = '{}b{}H'.format(sys.maxsize//2, sys.maxsize//2)
62284 80110fd43191 Merged revisions 81904 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60392 diff changeset	546 self.assertRaises(struct.error, struct.calcsize, hugecount2)
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	547
78317 fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	548 def check_sizeof(self, format_str, number_of_codes):
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	549 # The size of 'PyStructObject'
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	550 totalsize = support.calcobjsize('5P')
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	551 # The size taken up by the 'formatcode' dynamic array
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	552 totalsize += struct.calcsize('3P') * (number_of_codes + 1)
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	553 support.check_sizeof(self, struct.Struct(format_str), totalsize)
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	554
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	555 @support.cpython_only
78311 37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	556 def test__sizeof__(self):
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	557 for code in integer_codes:
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	558 self.check_sizeof(code, 1)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	559 self.check_sizeof('BHILfdspP', 9)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	560 self.check_sizeof('B' * 1234, 1234)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	561 self.check_sizeof('fd', 2)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	562 self.check_sizeof('xxxxxxxxxxxxxx', 0)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	563 self.check_sizeof('100H', 100)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	564 self.check_sizeof('187s', 1)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	565 self.check_sizeof('20p', 1)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	566 self.check_sizeof('0s', 1)
37554bda2014 Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78258 diff changeset	567 self.check_sizeof('0c', 0)
78255 dbe7f39ff341 Issue #15402: Add a __sizeof__ method to struct.Struct. Meador Inge <meadori@gmail.com> parents: 68256 diff changeset	568
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	569 def test_main():
78317 fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78311 diff changeset	570 support.run_unittest(StructTest)
38545 21e8dd3e3945 Fixed struct test to not use unittest. Martin Blais <blais@furius.ca> parents: 38522 diff changeset	571
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	572 if __name__ == '__main__':
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	573 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_struct.py @ 80661:94de77bd0b4b 2.7