cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_struct.py @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions

author	Mark Dickinson <dickinsm@gmail.com>
date	Sat, 06 Feb 2010 23:11:25 +0000
parents	0dd1aa33265f
children	70e115c34f97

rev	line source
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	1 import array
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	2 import unittest
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	3 import struct
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	4 import warnings
50424 df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from Georg Brandl <georg@python.org> parents: 49099 diff changeset	5 warnings.filterwarnings("ignore", "struct integer overflow masking is deprecated",
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from Georg Brandl <georg@python.org> parents: 49099 diff changeset	6 DeprecationWarning)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	7
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	8 from functools import wraps
49099 ff96a313cd1c warnings.catch_warnings() now returns a list or None instead of the custom Brett Cannon <bcannon@gmail.com> parents: 48834 diff changeset	9 from test.test_support import TestFailed, verbose, run_unittest
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	10
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	11 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	12 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	13 IS32BIT = sys.maxsize == 0x7fffffff
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	14
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	15 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	16
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	17 # 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	18 # long long type.
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	19 try:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	20 struct.pack('q', 5)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	21 except struct.error:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	22 HAVE_LONG_LONG = False
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	23 else:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	24 HAVE_LONG_LONG = True
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
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	26 try:
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	27 import _struct
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	28 except ImportError:
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	29 PY_STRUCT_FLOAT_COERCE = 2
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	30 else:
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	31 PY_STRUCT_FLOAT_COERCE = getattr(_struct, '_PY_STRUCT_FLOAT_COERCE', 0)
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38355 diff changeset	32
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	33 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	34 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	35
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	36 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	37 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	38 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	39 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	40 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	41
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	42 def with_warning_restore(func):
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	43 @wraps(func)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	44 def decorator(args, *kw):
49099 ff96a313cd1c warnings.catch_warnings() now returns a list or None instead of the custom Brett Cannon <bcannon@gmail.com> parents: 48834 diff changeset	45 with warnings.catch_warnings():
47942 b35c8b1940af Make test.test_support.catch_warnings more robust as discussed on python-dev. Also add explicit tests for itto test_warnings. Nick Coghlan <ncoghlan@gmail.com> parents: 47721 diff changeset	46 # We need this function to warn every time, so stick an
b35c8b1940af Make test.test_support.catch_warnings more robust as discussed on python-dev. Also add explicit tests for itto test_warnings. Nick Coghlan <ncoghlan@gmail.com> parents: 47721 diff changeset	47 # unqualifed 'always' at the head of the filter list
b35c8b1940af Make test.test_support.catch_warnings more robust as discussed on python-dev. Also add explicit tests for itto test_warnings. Nick Coghlan <ncoghlan@gmail.com> parents: 47721 diff changeset	48 warnings.simplefilter("always")
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	49 warnings.filterwarnings("error", category=DeprecationWarning)
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	50 return func(args, *kw)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	51 return decorator
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 38615 diff changeset	52
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	53 class StructTest(unittest.TestCase):
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: 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 @with_warning_restore
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	56 def check_float_coerce(self, format, number):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	57 # 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	58 if PY_STRUCT_FLOAT_COERCE == 2:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	59 # Test for pre-2.5 struct module
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	60 packed = struct.pack(format, number)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	61 floored = struct.unpack(format, packed)[0]
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	62 self.assertEqual(floored, int(number),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	63 "did not correcly coerce float to int")
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	64 return
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	65 try:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	66 struct.pack(format, number)
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	67 except struct.error:
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	68 if PY_STRUCT_FLOAT_COERCE:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	69 self.fail("expected DeprecationWarning for float coerce")
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	70 except DeprecationWarning:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	71 if not PY_STRUCT_FLOAT_COERCE:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	72 self.fail("expected to raise struct.error for float coerce")
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	73 else:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	74 self.fail("did not raise error for float coerce")
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	75
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	76 def test_isbigendian(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	77 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	78
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	79 def test_consistence(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	80 self.assertRaises(struct.error, struct.calcsize, 'Z')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	81
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	82 sz = struct.calcsize('i')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	83 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	84
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	85 fmt = 'cbxxxxxxhhhhiillffd?'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	86 fmt3 = '3c3b18x12h6i6l6f3d3?'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	87 sz = struct.calcsize(fmt)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	88 sz3 = struct.calcsize(fmt3)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	89 self.assertEqual(sz * 3, sz3)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	90
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	91 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	92 self.assertRaises(struct.error, struct.pack, 'i', 3, 3, 3)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	93 self.assertRaises(struct.error, struct.pack, 'i', 'foo')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	94 self.assertRaises(struct.error, struct.pack, 'P', 'foo')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	95 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	96 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	97 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	98 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	99
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	100 def test_transitiveness(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	101 c = 'a'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	102 b = 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	103 h = 255
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	104 i = 65535
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	105 l = 65536
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	106 f = 3.1415
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	107 d = 3.1415
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	108 t = True
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	109
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	110 for prefix in ('', '@', '<', '>', '=', '!'):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	111 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	112 format = prefix + format
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	113 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	114 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	115 self.assertEqual(cp, c)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	116 self.assertEqual(bp, b)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	117 self.assertEqual(hp, h)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	118 self.assertEqual(ip, i)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	119 self.assertEqual(lp, l)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	120 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	121 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	122 self.assertEqual(tp, t)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	123
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	124 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	125 # 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	126 # (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	127 tests = [
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	128 ('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	129 ('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	130 ('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	131 ('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	132 ('0s', 'helloworld', '', '', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	133 ('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	134 ('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	135 ('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	136 ('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	137 ('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	138 ('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	139 ('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	140 ('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	141 ('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	142 ('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	143 ('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	144 ('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	145 ('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	146 ('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	147 ('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	148 ('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	149 ('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	150 ('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	151 ('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	152 ('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	153 ('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	154 ('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	155 ('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	156 '\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	157 ('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	158 ('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	159 '\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	160 ('?', 0, '\0', '\0', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	161 ('?', 3, '\1', '\1', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	162 ('?', True, '\1', '\1', 0),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	163 ('?', [], '\0', '\0', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	164 ('?', (1,), '\1', '\1', 1),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	165 ]
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	166
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	167 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	168 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	169 ('='+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	170 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	171 self.assertEqual(res, exp)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	172 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	173 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	174 if rev != arg:
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 52540 diff changeset	175 self.assertTrue(asy)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	176
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	177 def test_calcsize(self):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	178 expected_size = {
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	179 'b': 1, 'B': 1,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	180 'h': 2, 'H': 2,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	181 'i': 4, 'I': 4,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	182 'l': 4, 'L': 4,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	183 'q': 8, 'Q': 8,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	184 }
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 # standard integer sizes
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	187 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	188 for byteorder in ('=', '<', '>', '!'):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	189 format = byteorder+code
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	190 size = struct.calcsize(format)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	191 self.assertEqual(size, expected_size[code])
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	192
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	193 # 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	194 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	195 for byteorder in ['', '@']:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	196 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	197 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	198 self.assertEqual(signed_size, unsigned_size)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	199
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	200 # bounds for native integer sizes
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	201 self.assertTrue(struct.calcsize('b')==1)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	202 self.assertTrue(2 <= struct.calcsize('h'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	203 self.assertTrue(4 <= struct.calcsize('l'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	204 self.assertTrue(struct.calcsize('h') <= struct.calcsize('i'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	205 self.assertTrue(struct.calcsize('i') <= struct.calcsize('l'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	206
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	207 # 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	208 if HAVE_LONG_LONG:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	209 self.assertEqual(struct.calcsize('q'), struct.calcsize('Q'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	210 self.assertTrue(8 <= struct.calcsize('q'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	211 self.assertTrue(struct.calcsize('l') <= struct.calcsize('q'))
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	212
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	213 def test_integers(self):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	214 # Integer tests (bBhHiIlLqQ).
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	215 import binascii
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	216
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	217 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	218 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	219 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	220 self.format = format
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	221 self.code = format[-1]
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	222 self.direction = format[:-1]
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	223 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	224 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	225 self.direction)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	226 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	227 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	228 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	229 self.signed = True
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	230 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	231 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	232 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	233 self.signed = False
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	234 self.min_value = 0
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	235 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	236 else:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	237 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	238 self.code)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	239
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	240 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	241 unpack=struct.unpack,
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	242 unhexlify=binascii.unhexlify):
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	243
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	244 format = self.format
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	245 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	246 expected = long(x)
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	247 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	248 expected += 1L << self.bitsize
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	249 self.assertTrue(expected >= 0)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	250 expected = '%x' % expected
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	251 if len(expected) & 1:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	252 expected = "0" + expected
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	253 expected = unhexlify(expected)
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	254 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	255 expected)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	256 if (self.direction == '<' or
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	257 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	258 expected = string_reverse(expected)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	259 self.assertEqual(len(expected), self.bytesize)
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	260
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	261 # Pack work?
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	262 got = pack(format, x)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	263 self.assertEqual(got, expected)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	264
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	265 # Unpack work?
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	266 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	267 self.assertEqual(x, retrieved)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	268
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	269 # 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	270 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	271 '\x01' + got)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	272 else:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	273 # x is out of range -- verify pack realizes that.
55153 b3fb5e6b7e82 Issue #1523: Remove deprecated overflow masking in struct module, and Mark Dickinson <dickinsm@gmail.com> parents: 55150 diff changeset	274 self.assertRaises(struct.error, pack, format, x)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	275
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	276 def run(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	277 from random import randrange
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	278
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	279 # 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	280 values = []
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	281 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	282 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	283
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	284 # Add some random values.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	285 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	286 val = 0L
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	287 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	288 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	289 values.append(val)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	290
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	291 # 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	292 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	293
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	294 # 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	295 # 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	296 # 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	297 # +-(2**n +- 1).
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	298 for base in values:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	299 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	300 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	301 x = val + incr
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	302 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	303 self.test_one(long(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	304
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	305 # Some error cases.
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	306 class NotAnIntNS(object):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	307 def __int__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	308 return 42
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	309
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	310 def __long__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	311 return 1729L
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	312
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	313 class NotAnIntOS:
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	314 def __int__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	315 return 10585
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	316
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	317 def __long__(self):
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	318 return -163L
1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	319
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	320 for badobject in ("a string", 3+42j, randrange,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	321 NotAnIntNS(), NotAnIntOS()):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	322 self.assertRaises(struct.error,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	323 struct.pack, format,
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	324 badobject)
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	325
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	326 byteorders = '', '@', '=', '<', '>', '!'
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	327 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	328 for byteorder in byteorders:
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	329 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	330 not HAVE_LONG_LONG):
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	331 continue
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	332 format = byteorder+code
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	333 t = IntTester(format)
897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	334 t.run()
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	335
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	336 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	337 # 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	338 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	339 ('p','abc', '\x00', ''),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	340 ('1p', 'abc', '\x00', ''),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	341 ('2p', 'abc', '\x01a', 'a'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	342 ('3p', 'abc', '\x02ab', 'ab'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	343 ('4p', 'abc', '\x03abc', 'abc'),
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	344 ('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	345 ('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	346 ('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	347 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	348 self.assertEqual(got, expected)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	349 (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	350 self.assertEqual(got, expectedback)
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	351
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	352 def test_705836(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	353 # 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	354 # 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	355 # 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	356 import math
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	357
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	358 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	359 # 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	360 delta = 0.5
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	361 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	362 delta /= 2.0
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	363 smaller = base - delta
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	364 # 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	365 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	366 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	367 # 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	368 # 16, respectively.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	369 self.assertEqual(base, unpacked)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	370 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	371 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	372 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	373 self.assertEqual(base, unpacked)
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	374
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	375 # Largest finite IEEE single.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	376 big = (1 << 24) - 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	377 big = math.ldexp(big, 127 - 23)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	378 packed = struct.pack(">f", big)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	379 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	380 self.assertEqual(big, unpacked)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	381
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	382 # 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	383 big = (1 << 25) - 1
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	384 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	385 self.assertRaises(OverflowError, struct.pack, ">f", big)
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	386
55121 1fc37fecaf8f Issues #1530559, #1741130: Fix various inconsistencies in struct.pack Mark Dickinson <dickinsm@gmail.com> parents: 55002 diff changeset	387 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	388 # 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	389 for endian in ('', '>', '<'):
55150 897bded80020 Expand test coverage for struct.pack with native integer packing; Mark Dickinson <dickinsm@gmail.com> parents: 55146 diff changeset	390 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	391 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	392 self.check_float_coerce(endian + fmt, 1.5)
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	393
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	394 def test_unpack_from(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	395 test_string = 'abcd01234'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	396 fmt = '4s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	397 s = struct.Struct(fmt)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	398 for cls in (str, buffer):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	399 data = cls(test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	400 self.assertEqual(s.unpack_from(data), ('abcd',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	401 self.assertEqual(s.unpack_from(data, 2), ('cd01',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	402 self.assertEqual(s.unpack_from(data, 4), ('0123',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	403 for i in xrange(6):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	404 self.assertEqual(s.unpack_from(data, i), (data[i:i+4],))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	405 for i in xrange(6, len(test_string) + 1):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	406 self.assertRaises(struct.error, s.unpack_from, data, i)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	407 for cls in (str, buffer):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	408 data = cls(test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	409 self.assertEqual(struct.unpack_from(fmt, data), ('abcd',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	410 self.assertEqual(struct.unpack_from(fmt, data, 2), ('cd01',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	411 self.assertEqual(struct.unpack_from(fmt, data, 4), ('0123',))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	412 for i in xrange(6):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	413 self.assertEqual(struct.unpack_from(fmt, data, i), (data[i:i+4],))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	414 for i in xrange(6, len(test_string) + 1):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	415 self.assertRaises(struct.error, struct.unpack_from, fmt, data, i)
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	416
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	417 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	418 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	419 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	420 fmt = '21s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	421 s = struct.Struct(fmt)
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	422
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	423 # Test without offset
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	424 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	425 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	426 self.assertEqual(from_buf, test_string)
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	427
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	428 # Test with offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	429 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	430 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	431 self.assertEqual(from_buf, test_string[:10] + test_string)
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	432
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	433 # Go beyond boundaries.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	434 small_buf = array.array('c', ' '*10)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	435 self.assertRaises(struct.error, s.pack_into, small_buf, 0, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	436 self.assertRaises(struct.error, s.pack_into, small_buf, 2, test_string)
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	437
51597 bf419cfd7b0a #3694: add test for fix committed in r66693. Georg Brandl <georg@python.org> parents: 51517 diff changeset	438 # Test bogus offset (issue 3694)
bf419cfd7b0a #3694: add test for fix committed in r66693. Georg Brandl <georg@python.org> parents: 51517 diff changeset	439 sb = small_buf
bf419cfd7b0a #3694: add test for fix committed in r66693. Georg Brandl <georg@python.org> parents: 51517 diff changeset	440 self.assertRaises(TypeError, struct.pack_into, b'1', sb, None)
bf419cfd7b0a #3694: add test for fix committed in r66693. Georg Brandl <georg@python.org> parents: 51517 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 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	443 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	444 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	445 fmt = '21s'
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	446 pack_into = lambda args: struct.pack_into(fmt, args)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	447
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	448 # Test without offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	449 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	450 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	451 self.assertEqual(from_buf, test_string)
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	452
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	453 # Test with offset.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	454 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	455 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	456 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	457
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	458 # Go beyond boundaries.
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	459 small_buf = array.array('c', ' '*10)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	460 self.assertRaises(struct.error, pack_into, small_buf, 0, test_string)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	461 self.assertRaises(struct.error, pack_into, small_buf, 2, test_string)
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	462
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	463 def test_unpack_with_buffer(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	464 # SF bug 1563759: struct.unpack doens't support buffer protocol objects
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	465 data1 = array.array('B', '\x12\x34\x56\x78')
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	466 data2 = buffer('......\x12\x34\x56\x78......', 6, 4)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	467 for data in [data1, data2]:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	468 value, = struct.unpack('>I', data)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	469 self.assertEqual(value, 0x12345678)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	470
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	471 def test_bool(self):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	472 for prefix in tuple("<>!=")+('',):
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	473 false = (), [], [], '', 0
58198 0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	474 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	475
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	476 falseFormat = prefix + '?' * len(false)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	477 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	478 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	479
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	480 trueFormat = prefix + '?' * len(true)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	481 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	482 unpackedTrue = struct.unpack(trueFormat, packedTrue)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	483
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	484 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	485 self.assertEqual(len(false), len(unpackedFalse))
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 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 for t in unpackedFalse:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	488 self.assertFalse(t)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	489 for t in unpackedTrue:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	490 self.assertTrue(t)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	491
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	492 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	493
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	494 self.assertEqual(len(packed), struct.calcsize(prefix+'?'))
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	495
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	496 if len(packed) != 1:
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	497 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	498 %packed)
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	499
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	500 for c in '\x01\x7f\xff\x0f\xf0':
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	501 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	502
47721 9155ff78fd06 silence the test when it is skipped on some platforms. should fix a Gregory P. Smith <greg@mad-scientist.com> parents: 47587 diff changeset	503 if IS32BIT:
9155ff78fd06 silence the test when it is skipped on some platforms. should fix a Gregory P. Smith <greg@mad-scientist.com> parents: 47587 diff changeset	504 def test_crasher(self):
47587 1c964ed35ef9 Merge in release25-maint r60793: Gregory P. Smith <greg@mad-scientist.com> parents: 47575 diff changeset	505 self.assertRaises(MemoryError, struct.pack, "357913941c", "a")
1c964ed35ef9 Merge in release25-maint r60793: Gregory P. Smith <greg@mad-scientist.com> parents: 47575 diff changeset	506
1c964ed35ef9 Merge in release25-maint r60793: Gregory P. Smith <greg@mad-scientist.com> parents: 47575 diff changeset	507
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	508
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	509 def test_main():
58198 0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	510 run_unittest(StructTest)
38545 21e8dd3e3945 Fixed struct test to not use unittest. Martin Blais <blais@furius.ca> parents: 38522 diff changeset	511
47575 da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	512 if __name__ == '__main__':
da307beeebb9 convert test_struct to a unittest thanks to Giampaolo Rodola Benjamin Peterson <benjamin@python.org> parents: 45759 diff changeset	513 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_struct.py @ 58765:2ba7677bfa95 legacy-trunk