cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_struct.py @ 83524:d232cff25bbd

Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.

author	Antoine Pitrou <solipsis@pitrou.net>
date	Sat, 27 Apr 2013 00:20:04 +0200
parents	7d69d04522e3
children	6707637f68ca

rev	line source
83524 d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	1 from collections import abc
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	2 import array
83524 d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	3 import operator
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	4 import unittest
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	5 import struct
59366 81477192cf7a Remove unused imports & clean up sys imports in test_struct. Mark Dickinson <dickinsm@gmail.com> parents: 55593 diff changeset	6 import sys
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	7
78315 efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	8 from test import support
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	9
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	10 ISBIGENDIAN = sys.byteorder == "big"
48321 f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	11 IS32BIT = sys.maxsize == 0x7fffffff
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	12
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	13 integer_codes = 'b', 'B', 'h', 'H', 'i', 'I', 'l', 'L', 'q', 'Q', 'n', 'N'
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	14 byteorders = '', '@', '=', '<', '>', '!'
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	15
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	16 def iter_integer_formats(byteorders=byteorders):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	17 for code in integer_codes:
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	18 for byteorder in byteorders:
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	19 if (byteorder in ('', '@') and code in ('q', 'Q') and
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	20 not HAVE_LONG_LONG):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	21 continue
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	22 if (byteorder not in ('', '@') and code in ('n', 'N')):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	23 continue
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	24 yield code, byteorder
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	25
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	26 # Native 'q' packing isn't available on systems that don't have the C
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	27 # long long type.
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	28 try:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	29 struct.pack('q', 5)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	30 except struct.error:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	31 HAVE_LONG_LONG = False
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	32 else:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	33 HAVE_LONG_LONG = True
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	34
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 def string_reverse(s):
41891 b7cfb3fd8db0 Make struct tests pass. Guido van Rossum <guido@python.org> parents: 41642 diff changeset	36 return s[::-1]
18111 099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	37
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	38 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	39 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	40 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	41 else:
099ae4918069 Generalize the new qQ std-mode tests to all int codes (bBhHiIlLqQ). Tim Peters <tim.peters@gmail.com> parents: 18094 diff changeset	42 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	43
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	44 class StructTest(unittest.TestCase):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	45 def test_isbigendian(self):
48325 5f9435317de1 Another merge error, seen on bigendian machines Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48321 diff changeset	46 self.assertEqual((struct.pack('=i', 1)[0] == 0), ISBIGENDIAN)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	47
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	48 def test_consistence(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	49 self.assertRaises(struct.error, struct.calcsize, 'Z')
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	50
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	51 sz = struct.calcsize('i')
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	52 self.assertEqual(sz * 3, struct.calcsize('iii'))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	53
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	54 fmt = 'cbxxxxxxhhhhiillffd?'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	55 fmt3 = '3c3b18x12h6i6l6f3d3?'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	56 sz = struct.calcsize(fmt)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	57 sz3 = struct.calcsize(fmt3)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	58 self.assertEqual(sz * 3, sz3)
4706 9785114326ab A test of the struct module Barry Warsaw <barry@python.org> parents: diff changeset	59
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	60 self.assertRaises(struct.error, struct.pack, 'iii', 3)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	61 self.assertRaises(struct.error, struct.pack, 'i', 3, 3, 3)
62894 10c0630f1c14 allow more exceptions Benjamin Peterson <benjamin@python.org> parents: 62890 diff changeset	62 self.assertRaises((TypeError, struct.error), struct.pack, 'i', 'foo')
10c0630f1c14 allow more exceptions Benjamin Peterson <benjamin@python.org> parents: 62890 diff changeset	63 self.assertRaises((TypeError, struct.error), struct.pack, 'P', 'foo')
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	64 self.assertRaises(struct.error, struct.unpack, 'd', b'flap')
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	65 s = struct.pack('ii', 1, 2)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	66 self.assertRaises(struct.error, struct.unpack, 'iii', s)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	67 self.assertRaises(struct.error, struct.unpack, 'i', s)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	68
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	69 def test_transitiveness(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	70 c = b'a'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	71 b = 1
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	72 h = 255
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	73 i = 65535
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	74 l = 65536
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	75 f = 3.1415
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	76 d = 3.1415
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	77 t = True
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	78
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	79 for prefix in ('', '@', '<', '>', '=', '!'):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	80 for format in ('xcbhilfd?', 'xcBHILfd?'):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	81 format = prefix + format
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	82 s = struct.pack(format, c, b, h, i, l, f, d, t)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	83 cp, bp, hp, ip, lp, fp, dp, tp = struct.unpack(format, s)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	84 self.assertEqual(cp, c)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	85 self.assertEqual(bp, b)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	86 self.assertEqual(hp, h)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	87 self.assertEqual(ip, i)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	88 self.assertEqual(lp, l)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	89 self.assertEqual(int(100 * fp), int(100 * f))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	90 self.assertEqual(int(100 * dp), int(100 * d))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	91 self.assertEqual(tp, t)
4847 d53812d68408 Exercise the new feature set somewhat. Guido van Rossum <guido@python.org> parents: 4706 diff changeset	92
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	93 def test_new_features(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	94 # Test some of the new features in detail
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	95 # (format, argument, big-endian result, little-endian result, asymmetric)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	96 tests = [
67181 b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	97 ('c', b'a', b'a', b'a', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	98 ('xc', b'a', b'\0a', b'\0a', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	99 ('cx', b'a', b'a\0', b'a\0', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	100 ('s', b'a', b'a', b'a', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	101 ('0s', b'helloworld', b'', b'', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	102 ('1s', b'helloworld', b'h', b'h', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	103 ('9s', b'helloworld', b'helloworl', b'helloworl', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	104 ('10s', b'helloworld', b'helloworld', b'helloworld', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	105 ('11s', b'helloworld', b'helloworld\0', b'helloworld\0', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	106 ('20s', b'helloworld', b'helloworld'+10b'\0', b'helloworld'+10b'\0', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	107 ('b', 7, b'\7', b'\7', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	108 ('b', -7, b'\371', b'\371', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	109 ('B', 7, b'\7', b'\7', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	110 ('B', 249, b'\371', b'\371', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	111 ('h', 700, b'\002\274', b'\274\002', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	112 ('h', -700, b'\375D', b'D\375', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	113 ('H', 700, b'\002\274', b'\274\002', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	114 ('H', 0x10000-700, b'\375D', b'D\375', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	115 ('i', 70000000, b'\004,\035\200', b'\200\035,\004', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	116 ('i', -70000000, b'\373\323\342\200', b'\200\342\323\373', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	117 ('I', 70000000, b'\004,\035\200', b'\200\035,\004', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	118 ('I', 0x100000000-70000000, b'\373\323\342\200', b'\200\342\323\373', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	119 ('l', 70000000, b'\004,\035\200', b'\200\035,\004', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	120 ('l', -70000000, b'\373\323\342\200', b'\200\342\323\373', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	121 ('L', 70000000, b'\004,\035\200', b'\200\035,\004', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	122 ('L', 0x100000000-70000000, b'\373\323\342\200', b'\200\342\323\373', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	123 ('f', 2.0, b'@\000\000\000', b'\000\000\000@', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	124 ('d', 2.0, b'@\000\000\000\000\000\000\000',
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	125 b'\000\000\000\000\000\000\000@', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	126 ('f', -2.0, b'\300\000\000\000', b'\000\000\000\300', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	127 ('d', -2.0, b'\300\000\000\000\000\000\000\000',
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	128 b'\000\000\000\000\000\000\000\300', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	129 ('?', 0, b'\0', b'\0', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	130 ('?', 3, b'\1', b'\1', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	131 ('?', True, b'\1', b'\1', 0),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	132 ('?', [], b'\0', b'\0', 1),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	133 ('?', (1,), b'\1', b'\1', 1),
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	134 ]
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	135
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	136 for fmt, arg, big, lil, asy in tests:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	137 for (xfmt, exp) in [('>'+fmt, big), ('!'+fmt, big), ('<'+fmt, lil),
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	138 ('='+fmt, ISBIGENDIAN and big or lil)]:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	139 res = struct.pack(xfmt, arg)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	140 self.assertEqual(res, exp)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	141 self.assertEqual(struct.calcsize(xfmt), len(res))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	142 rev = struct.unpack(xfmt, res)[0]
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	143 if rev != arg:
55593 0bb232078b8c Merged revisions 73715 via svnmerge from Georg Brandl <georg@python.org> parents: 53271 diff changeset	144 self.assertTrue(asy)
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	145
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	146 def test_calcsize(self):
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	147 expected_size = {
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	148 'b': 1, 'B': 1,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	149 'h': 2, 'H': 2,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	150 'i': 4, 'I': 4,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	151 'l': 4, 'L': 4,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	152 'q': 8, 'Q': 8,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	153 }
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	154
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	155 # standard integer sizes
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	156 for code, byteorder in iter_integer_formats(('=', '<', '>', '!')):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	157 format = byteorder+code
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	158 size = struct.calcsize(format)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	159 self.assertEqual(size, expected_size[code])
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	160
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	161 # native integer sizes
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	162 native_pairs = 'bB', 'hH', 'iI', 'lL', 'nN'
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	163 if HAVE_LONG_LONG:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	164 native_pairs += 'qQ',
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	165 for format_pair in native_pairs:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	166 for byteorder in '', '@':
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	167 signed_size = struct.calcsize(byteorder + format_pair[0])
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	168 unsigned_size = struct.calcsize(byteorder + format_pair[1])
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	169 self.assertEqual(signed_size, unsigned_size)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	170
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	171 # bounds for native integer sizes
60305 58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	172 self.assertEqual(struct.calcsize('b'), 1)
58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	173 self.assertLessEqual(2, struct.calcsize('h'))
58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	174 self.assertLessEqual(4, struct.calcsize('l'))
58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	175 self.assertLessEqual(struct.calcsize('h'), struct.calcsize('i'))
58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	176 self.assertLessEqual(struct.calcsize('i'), struct.calcsize('l'))
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	177 if HAVE_LONG_LONG:
60305 58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	178 self.assertLessEqual(8, struct.calcsize('q'))
58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	179 self.assertLessEqual(struct.calcsize('l'), struct.calcsize('q'))
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	180 self.assertGreaterEqual(struct.calcsize('n'), struct.calcsize('i'))
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	181 self.assertGreaterEqual(struct.calcsize('n'), struct.calcsize('P'))
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	182
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	183 def test_integers(self):
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	184 # Integer tests (bBhHiIlLqQnN).
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	185 import binascii
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	186
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	187 class IntTester(unittest.TestCase):
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	188 def __init__(self, format):
52827 c50c079b09eb Merged revisions 70837,70864,70878,71004,71032,71043 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 52414 diff changeset	189 super(IntTester, self).__init__(methodName='test_one')
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	190 self.format = format
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	191 self.code = format[-1]
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	192 self.byteorder = format[:-1]
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	193 if not self.byteorder in byteorders:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	194 raise ValueError("unrecognized packing byteorder: %s" %
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	195 self.byteorder)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	196 self.bytesize = struct.calcsize(format)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	197 self.bitsize = self.bytesize * 8
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	198 if self.code in tuple('bhilqn'):
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	199 self.signed = True
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	200 self.min_value = -(2**(self.bitsize-1))
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	201 self.max_value = 2**(self.bitsize-1) - 1
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	202 elif self.code in tuple('BHILQN'):
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	203 self.signed = False
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	204 self.min_value = 0
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	205 self.max_value = 2**self.bitsize - 1
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	206 else:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	207 raise ValueError("unrecognized format code: %s" %
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	208 self.code)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	209
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	210 def test_one(self, x, pack=struct.pack,
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	211 unpack=struct.unpack,
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	212 unhexlify=binascii.unhexlify):
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	213
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	214 format = self.format
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	215 if self.min_value <= x <= self.max_value:
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	216 expected = x
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	217 if self.signed and x < 0:
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	218 expected += 1 << self.bitsize
60305 58dc4f316ff6 Merged revisions 79740 via svnmerge from Ezio Melotti <ezio.melotti@gmail.com> parents: 60267 diff changeset	219 self.assertGreaterEqual(expected, 0)
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	220 expected = '%x' % expected
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	221 if len(expected) & 1:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	222 expected = "0" + expected
63244 f214ad09c384 Issue #4770: Restrict binascii module to accept only bytes (as specified). Florent Xicluna <florent.xicluna@gmail.com> parents: 62991 diff changeset	223 expected = expected.encode('ascii')
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	224 expected = unhexlify(expected)
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	225 expected = (b"\x00" * (self.bytesize - len(expected)) +
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	226 expected)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	227 if (self.byteorder == '<' or
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	228 self.byteorder in ('', '@', '=') and not ISBIGENDIAN):
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	229 expected = string_reverse(expected)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	230 self.assertEqual(len(expected), self.bytesize)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	231
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	232 # Pack work?
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	233 got = pack(format, x)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	234 self.assertEqual(got, expected)
18084 bbcdbd8f4469 Added q/Q standard (x-platform 8-byte ints) mode in struct module. Tim Peters <tim.peters@gmail.com> parents: 18070 diff changeset	235
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	236 # Unpack work?
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	237 retrieved = unpack(format, got)[0]
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	238 self.assertEqual(x, retrieved)
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	239
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	240 # Adding any byte should cause a "too big" error.
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	241 self.assertRaises((struct.error, TypeError), unpack, format,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	242 b'\x01' + got)
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	243 else:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	244 # x is out of range -- verify pack realizes that.
62932 5e60c7db0f51 ValueError is eventually what we want to move to, I suppose Benjamin Peterson <benjamin@python.org> parents: 62896 diff changeset	245 self.assertRaises((OverflowError, ValueError, struct.error),
5e60c7db0f51 ValueError is eventually what we want to move to, I suppose Benjamin Peterson <benjamin@python.org> parents: 62896 diff changeset	246 pack, format, x)
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	247
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	248 def run(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	249 from random import randrange
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	250
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	251 # Create all interesting powers of 2.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	252 values = []
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	253 for exp in range(self.bitsize + 3):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	254 values.append(1 << exp)
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	255
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	256 # Add some random values.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	257 for i in range(self.bitsize):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	258 val = 0
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	259 for j in range(self.bytesize):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	260 val = (val << 8) \| randrange(256)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	261 values.append(val)
19924 01f66f5db326 The 'p' (Pascal string) pack code acts unreasonably when the string size Tim Peters <tim.peters@gmail.com> parents: 18149 diff changeset	262
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	263 # Values absorbed from other tests
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	264 values.extend([300, 700000, sys.maxsize*4])
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	265
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	266 # Try all those, and their negations, and +-1 from
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	267 # them. Note that this tests all power-of-2
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	268 # boundaries in range, and a few out of range, plus
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	269 # +-(2**n +- 1).
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	270 for base in values:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	271 for val in -base, base:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	272 for incr in -1, 0, 1:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	273 x = val + incr
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	274 self.test_one(x)
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	275
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	276 # Some error cases.
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	277 class NotAnInt:
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	278 def __int__(self):
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	279 return 42
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	280
60309 72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	281 # Objects with an '__index__' method should be allowed
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	282 # to pack as integers. That is assuming the implemented
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	283 # '__index__' method returns and 'int' or 'long'.
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	284 class Indexable(object):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	285 def __init__(self, value):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	286 self._value = value
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	287
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	288 def __index__(self):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	289 return self._value
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	290
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	291 # If the '__index__' method raises a type error, then
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	292 # '__int__' should be used with a deprecation warning.
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	293 class BadIndex(object):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	294 def __index__(self):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	295 raise TypeError
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	296
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	297 def __int__(self):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	298 return 42
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	299
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	300 self.assertRaises((TypeError, struct.error),
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	301 struct.pack, self.format,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	302 "a string")
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	303 self.assertRaises((TypeError, struct.error),
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	304 struct.pack, self.format,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	305 randrange)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	306 self.assertRaises((TypeError, struct.error),
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	307 struct.pack, self.format,
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	308 3+42j)
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	309 self.assertRaises((TypeError, struct.error),
bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	310 struct.pack, self.format,
60309 72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	311 NotAnInt())
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	312 self.assertRaises((TypeError, struct.error),
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	313 struct.pack, self.format,
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	314 BadIndex())
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	315
60309 72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	316 # Check for legitimate values from '__index__'.
60267 aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	317 for obj in (Indexable(0), Indexable(10), Indexable(17),
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	318 Indexable(42), Indexable(100), Indexable(127)):
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	319 try:
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	320 struct.pack(format, obj)
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	321 except:
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	322 self.fail("integer code pack failed on object "
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	323 "with '__index__' method")
aa121a39a956 Merged revisions 79674 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60247 diff changeset	324
60309 72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	325 # Check for bogus values from '__index__'.
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	326 for obj in (Indexable(b'a'), Indexable('b'), Indexable(None),
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	327 Indexable({'a': 1}), Indexable([1, 2, 3])):
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	328 self.assertRaises((TypeError, struct.error),
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	329 struct.pack, self.format,
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	330 obj)
72409b231967 Merged revisions 79745 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 60305 diff changeset	331
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	332 for code, byteorder in iter_integer_formats():
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	333 format = byteorder+code
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	334 t = IntTester(format)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	335 t.run()
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	336
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	337 def test_nN_code(self):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	338 # n and N don't exist in standard sizes
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	339 def assertStructError(func, args, *kwargs):
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	340 with self.assertRaises(struct.error) as cm:
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	341 func(args, *kwargs)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	342 self.assertIn("bad char in struct format", str(cm.exception))
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	343 for code in 'nN':
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	344 for byteorder in ('=', '<', '>', '!'):
60247 bd5121bf6996 Clean up integer tests in test_struct, and bring them more in line with the trunk tests. Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	345 format = byteorder+code
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	346 assertStructError(struct.calcsize, format)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	347 assertStructError(struct.pack, format, 0)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	348 assertStructError(struct.unpack, format, b"")
28334 9f287e5eb037 SF bug 705836: struct.pack of floats in non-native endian order Tim Peters <tim.peters@gmail.com> parents: 28089 diff changeset	349
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	350 def test_p_code(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	351 # Test p ("Pascal string") code.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	352 for code, input, expected, expectedback in [
67181 b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	353 ('p', b'abc', b'\x00', b''),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	354 ('1p', b'abc', b'\x00', b''),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	355 ('2p', b'abc', b'\x01a', b'a'),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	356 ('3p', b'abc', b'\x02ab', b'ab'),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	357 ('4p', b'abc', b'\x03abc', b'abc'),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	358 ('5p', b'abc', b'\x03abc\x00', b'abc'),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	359 ('6p', b'abc', b'\x03abc\x00\x00', b'abc'),
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	360 ('1000p', b'x'1000, b'\xff' + b'x'999, b'x'*255)]:
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	361 got = struct.pack(code, input)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	362 self.assertEqual(got, expected)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	363 (got,) = struct.unpack(code, got)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	364 self.assertEqual(got, expectedback)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	365
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	366 def test_705836(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	367 # SF bug 705836. "<f" and ">f" had a severe rounding bug, where a carry
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	368 # from the low-order discarded bits could propagate into the exponent
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	369 # field, causing the result to be wrong by a factor of 2.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	370 import math
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	371
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	372 for base in range(1, 33):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	373 # smaller <- largest representable float less than base.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	374 delta = 0.5
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	375 while base - delta / 2.0 != base:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	376 delta /= 2.0
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	377 smaller = base - delta
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	378 # Packing this rounds away a solid string of trailing 1 bits.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	379 packed = struct.pack("<f", smaller)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	380 unpacked = struct.unpack("<f", packed)[0]
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	381 # This failed at base = 2, 4, and 32, with unpacked = 1, 2, and
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	382 # 16, respectively.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	383 self.assertEqual(base, unpacked)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	384 bigpacked = struct.pack(">f", smaller)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	385 self.assertEqual(bigpacked, string_reverse(packed))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	386 unpacked = struct.unpack(">f", bigpacked)[0]
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	387 self.assertEqual(base, unpacked)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	388
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	389 # Largest finite IEEE single.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	390 big = (1 << 24) - 1
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	391 big = math.ldexp(big, 127 - 23)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	392 packed = struct.pack(">f", big)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	393 unpacked = struct.unpack(">f", packed)[0]
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	394 self.assertEqual(big, unpacked)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	395
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	396 # The same, but tack on a 1 bit so it rounds up to infinity.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	397 big = (1 << 25) - 1
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	398 big = math.ldexp(big, 127 - 24)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	399 self.assertRaises(OverflowError, struct.pack, ">f", big)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	400
53271 4527c152daa9 Issue #5463: Remove deprecated float coercion from struct module, along Mark Dickinson <dickinsm@gmail.com> parents: 52827 diff changeset	401 def test_1530559(self):
72749 db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	402 for code, byteorder in iter_integer_formats():
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	403 format = byteorder + code
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	404 self.assertRaises(struct.error, struct.pack, format, 1.0)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N' Antoine Pitrou <solipsis@pitrou.net> parents: 68586 diff changeset	405 self.assertRaises(struct.error, struct.pack, format, 1.5)
53271 4527c152daa9 Issue #5463: Remove deprecated float coercion from struct module, along Mark Dickinson <dickinsm@gmail.com> parents: 52827 diff changeset	406 self.assertRaises(struct.error, struct.pack, 'P', 1.0)
4527c152daa9 Issue #5463: Remove deprecated float coercion from struct module, along Mark Dickinson <dickinsm@gmail.com> parents: 52827 diff changeset	407 self.assertRaises(struct.error, struct.pack, 'P', 1.5)
4527c152daa9 Issue #5463: Remove deprecated float coercion from struct module, along Mark Dickinson <dickinsm@gmail.com> parents: 52827 diff changeset	408
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	409 def test_unpack_from(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	410 test_string = b'abcd01234'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	411 fmt = '4s'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	412 s = struct.Struct(fmt)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	413 for cls in (bytes, bytearray):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	414 data = cls(test_string)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	415 self.assertEqual(s.unpack_from(data), (b'abcd',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	416 self.assertEqual(s.unpack_from(data, 2), (b'cd01',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	417 self.assertEqual(s.unpack_from(data, 4), (b'0123',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	418 for i in range(6):
67181 b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8 Victor Stinner <victor.stinner@haypocalc.com> parents: 64355 diff changeset	419 self.assertEqual(s.unpack_from(data, i), (data[i:i+4],))
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	420 for i in range(6, len(test_string) + 1):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	421 self.assertRaises(struct.error, s.unpack_from, data, i)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	422 for cls in (bytes, bytearray):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	423 data = cls(test_string)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	424 self.assertEqual(struct.unpack_from(fmt, data), (b'abcd',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	425 self.assertEqual(struct.unpack_from(fmt, data, 2), (b'cd01',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	426 self.assertEqual(struct.unpack_from(fmt, data, 4), (b'0123',))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	427 for i in range(6):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	428 self.assertEqual(struct.unpack_from(fmt, data, i), (data[i:i+4],))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	429 for i in range(6, len(test_string) + 1):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	430 self.assertRaises(struct.error, struct.unpack_from, fmt, data, i)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	431
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	432 def test_pack_into(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	433 test_string = b'Reykjavik rocks, eow!'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	434 writable_buf = array.array('b', b' '*100)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	435 fmt = '21s'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	436 s = struct.Struct(fmt)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	437
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	438 # Test without offset
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	439 s.pack_into(writable_buf, 0, test_string)
64355 fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to Antoine Pitrou <solipsis@pitrou.net> parents: 63419 diff changeset	440 from_buf = writable_buf.tobytes()[:len(test_string)]
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	441 self.assertEqual(from_buf, test_string)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	442
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	443 # Test with offset.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	444 s.pack_into(writable_buf, 10, test_string)
64355 fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to Antoine Pitrou <solipsis@pitrou.net> parents: 63419 diff changeset	445 from_buf = writable_buf.tobytes()[:len(test_string)+10]
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	446 self.assertEqual(from_buf, test_string[:10] + test_string)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	447
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	448 # Go beyond boundaries.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	449 small_buf = array.array('b', b' '*10)
62856 8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	450 self.assertRaises((ValueError, struct.error), s.pack_into, small_buf, 0,
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	451 test_string)
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	452 self.assertRaises((ValueError, struct.error), s.pack_into, small_buf, 2,
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	453 test_string)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	454
51596 a83f10edb6ff #3694: fix an "XXX undetected error" leak in struct. Georg Brandl <georg@python.org> parents: 51518 diff changeset	455 # Test bogus offset (issue 3694)
a83f10edb6ff #3694: fix an "XXX undetected error" leak in struct. Georg Brandl <georg@python.org> parents: 51518 diff changeset	456 sb = small_buf
62896 7d9ab35e43bc wrap Benjamin Peterson <benjamin@python.org> parents: 62894 diff changeset	457 self.assertRaises((TypeError, struct.error), struct.pack_into, b'', sb,
7d9ab35e43bc wrap Benjamin Peterson <benjamin@python.org> parents: 62894 diff changeset	458 None)
51596 a83f10edb6ff #3694: fix an "XXX undetected error" leak in struct. Georg Brandl <georg@python.org> parents: 51518 diff changeset	459
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	460 def test_pack_into_fn(self):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	461 test_string = b'Reykjavik rocks, eow!'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	462 writable_buf = array.array('b', b' '*100)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	463 fmt = '21s'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	464 pack_into = lambda args: struct.pack_into(fmt, args)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	465
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	466 # Test without offset.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	467 pack_into(writable_buf, 0, test_string)
64355 fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to Antoine Pitrou <solipsis@pitrou.net> parents: 63419 diff changeset	468 from_buf = writable_buf.tobytes()[:len(test_string)]
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	469 self.assertEqual(from_buf, test_string)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	470
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	471 # Test with offset.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	472 pack_into(writable_buf, 10, test_string)
64355 fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to Antoine Pitrou <solipsis@pitrou.net> parents: 63419 diff changeset	473 from_buf = writable_buf.tobytes()[:len(test_string)+10]
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	474 self.assertEqual(from_buf, test_string[:10] + test_string)
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 33599 diff changeset	475
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	476 # Go beyond boundaries.
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	477 small_buf = array.array('b', b' '*10)
62856 8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	478 self.assertRaises((ValueError, struct.error), pack_into, small_buf, 0,
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	479 test_string)
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	480 self.assertRaises((ValueError, struct.error), pack_into, small_buf, 2,
8c6b3dc652fb Merged revisions 82637 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62855 diff changeset	481 test_string)
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 38669 diff changeset	482
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	483 def test_unpack_with_buffer(self):
68585 bf94b6a73fc8 #11565: Fix several typos. Patch by Piotr Kasprzyk. Ezio Melotti <ezio.melotti@gmail.com> parents: 62856 diff changeset	484 # SF bug 1563759: struct.unpack doesn't support buffer protocol objects
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	485 data1 = array.array('B', b'\x12\x34\x56\x78')
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	486 data2 = memoryview(b'\x12\x34\x56\x78') # XXX b'......XXXX......', 6, 4
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	487 for data in [data1, data2]:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	488 value, = struct.unpack('>I', data)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	489 self.assertEqual(value, 0x12345678)
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	490
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	491 def test_bool(self):
62855 55a024f51524 Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62251 diff changeset	492 class ExplodingBool(object):
55a024f51524 Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62251 diff changeset	493 def __bool__(self):
81039 7d69d04522e3 Replace IOError with OSError (#16715) Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78316 diff changeset	494 raise OSError
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	495 for prefix in tuple("<>!=")+('',):
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	496 false = (), [], [], '', 0
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	497 true = [1], 'test', 5, -1, 0xffffffff+1, 0xffffffff/2
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	498
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	499 falseFormat = prefix + '?' * len(false)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	500 packedFalse = struct.pack(falseFormat, *false)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	501 unpackedFalse = struct.unpack(falseFormat, packedFalse)
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	502
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	503 trueFormat = prefix + '?' * len(true)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	504 packedTrue = struct.pack(trueFormat, *true)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	505 unpackedTrue = struct.unpack(trueFormat, packedTrue)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	506
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	507 self.assertEqual(len(true), len(unpackedTrue))
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	508 self.assertEqual(len(false), len(unpackedFalse))
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	509
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	510 for t in unpackedFalse:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	511 self.assertFalse(t)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	512 for t in unpackedTrue:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	513 self.assertTrue(t)
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	514
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	515 packed = struct.pack(prefix+'?', 1)
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	516
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	517 self.assertEqual(len(packed), struct.calcsize(prefix+'?'))
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	518
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	519 if len(packed) != 1:
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	520 self.assertFalse(prefix, msg='encoded bool is not one byte: %r'
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	521 %packed)
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	522
62991 60fdf147032c Yield more information on failure in test_struct boolean test. Mark Dickinson <dickinsm@gmail.com> parents: 62932 diff changeset	523 try:
60fdf147032c Yield more information on failure in test_struct boolean test. Mark Dickinson <dickinsm@gmail.com> parents: 62932 diff changeset	524 struct.pack(prefix + '?', ExplodingBool())
81039 7d69d04522e3 Replace IOError with OSError (#16715) Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78316 diff changeset	525 except OSError:
62991 60fdf147032c Yield more information on failure in test_struct boolean test. Mark Dickinson <dickinsm@gmail.com> parents: 62932 diff changeset	526 pass
60fdf147032c Yield more information on failure in test_struct boolean test. Mark Dickinson <dickinsm@gmail.com> parents: 62932 diff changeset	527 else:
81039 7d69d04522e3 Replace IOError with OSError (#16715) Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78316 diff changeset	528 self.fail("Expected OSError: struct.pack(%r, "
62991 60fdf147032c Yield more information on failure in test_struct boolean test. Mark Dickinson <dickinsm@gmail.com> parents: 62932 diff changeset	529 "ExplodingBool())" % (prefix + '?'))
62855 55a024f51524 Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62251 diff changeset	530
55a024f51524 Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62251 diff changeset	531 for c in [b'\x01', b'\x7f', b'\xff', b'\x0f', b'\xf0']:
55a024f51524 Merged revisions 82628,82630 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 62251 diff changeset	532 self.assertTrue(struct.unpack('>?', c)[0])
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40910 diff changeset	533
62251 50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	534 def test_count_overflow(self):
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	535 hugecount = '{}b'.format(sys.maxsize+1)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	536 self.assertRaises(struct.error, struct.calcsize, hugecount)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	537
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	538 hugecount2 = '{}b{}H'.format(sys.maxsize//2, sys.maxsize//2)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	539 self.assertRaises(struct.error, struct.calcsize, hugecount2)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 59366 diff changeset	540
48321 f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	541 if IS32BIT:
f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	542 def test_crasher(self):
f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	543 self.assertRaises(MemoryError, struct.pack, "357913941b", "a")
f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	544
62243 3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	545 def test_trailing_counter(self):
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	546 store = array.array('b', b' '*100)
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	547
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	548 # format lists containing only count spec should result in an error
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	549 self.assertRaises(struct.error, struct.pack, '12345')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	550 self.assertRaises(struct.error, struct.unpack, '12345', '')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	551 self.assertRaises(struct.error, struct.pack_into, '12345', store, 0)
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	552 self.assertRaises(struct.error, struct.unpack_from, '12345', store, 0)
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	553
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	554 # Format lists with trailing count spec should result in an error
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	555 self.assertRaises(struct.error, struct.pack, 'c12345', 'x')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	556 self.assertRaises(struct.error, struct.unpack, 'c12345', 'x')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	557 self.assertRaises(struct.error, struct.pack_into, 'c12345', store, 0,
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	558 'x')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	559 self.assertRaises(struct.error, struct.unpack_from, 'c12345', store,
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	560 0)
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	561
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	562 # Mixed format tests
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	563 self.assertRaises(struct.error, struct.pack, '14s42', 'spam and eggs')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	564 self.assertRaises(struct.error, struct.unpack, '14s42',
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	565 'spam and eggs')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	566 self.assertRaises(struct.error, struct.pack_into, '14s42', store, 0,
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	567 'spam and eggs')
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	568 self.assertRaises(struct.error, struct.unpack_from, '14s42', store, 0)
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored. Alexander Belopolsky <alexander.belopolsky@gmail.com> parents: 60309 diff changeset	569
63419 1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	570 def test_Struct_reinitialization(self):
1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	571 # Issue 9422: there was a memory leak when reinitializing a
1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	572 # Struct instance. This test can be used to detect the leak
1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	573 # when running with regrtest -L.
1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	574 s = struct.Struct('i')
1f0271c036e1 Add test for memory leak reported in issue 9422. Mark Dickinson <dickinsm@gmail.com> parents: 63244 diff changeset	575 s.__init__('ii')
48321 f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47750 diff changeset	576
78315 efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	577 def check_sizeof(self, format_str, number_of_codes):
efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	578 # The size of 'PyStructObject'
78316 d43ff8eb4cb3 Issue #15467: Merge 3.2 Martin v. Löwis <martin@v.loewis.de> parents: 78313 78315 diff changeset	579 totalsize = support.calcobjsize('2n3P')
78315 efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	580 # The size taken up by the 'formatcode' dynamic array
78316 d43ff8eb4cb3 Issue #15467: Merge 3.2 Martin v. Löwis <martin@v.loewis.de> parents: 78313 78315 diff changeset	581 totalsize += struct.calcsize('P2n0P') * (number_of_codes + 1)
78315 efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	582 support.check_sizeof(self, struct.Struct(format_str), totalsize)
efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	583
efade142ef01 Issue #15467: Move helpers for __sizeof__ tests into test_support. Martin v. Löwis <martin@v.loewis.de> parents: 78312 diff changeset	584 @support.cpython_only
78312 97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	585 def test__sizeof__(self):
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	586 for code in integer_codes:
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	587 self.check_sizeof(code, 1)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	588 self.check_sizeof('BHILfdspP', 9)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	589 self.check_sizeof('B' * 1234, 1234)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	590 self.check_sizeof('fd', 2)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	591 self.check_sizeof('xxxxxxxxxxxxxx', 0)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	592 self.check_sizeof('100H', 100)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	593 self.check_sizeof('187s', 1)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	594 self.check_sizeof('20p', 1)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	595 self.check_sizeof('0s', 1)
97dd2090a36c Issue #15402: Simplify Struct.__sizeof__ and make tests more precise. Meador Inge <meadori@gmail.com> parents: 78259 diff changeset	596 self.check_sizeof('0c', 0)
78256 3e7b517e1b68 Issue #15402: Add a __sizeof__ method to struct.Struct. Meador Inge <meadori@gmail.com> parents: 68586 diff changeset	597
83524 d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	598
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	599 class UnpackIteratorTest(unittest.TestCase):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	600 """
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	601 Tests for iterative unpacking (struct.Struct.iter_unpack).
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	602 """
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	603
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	604 def test_construct(self):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	605 def _check_iterator(it):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	606 self.assertIsInstance(it, abc.Iterator)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	607 self.assertIsInstance(it, abc.Iterable)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	608 s = struct.Struct('>ibcp')
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	609 it = s.iter_unpack(b"")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	610 _check_iterator(it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	611 it = s.iter_unpack(b"1234567")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	612 _check_iterator(it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	613 # Wrong bytes length
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	614 with self.assertRaises(struct.error):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	615 s.iter_unpack(b"123456")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	616 with self.assertRaises(struct.error):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	617 s.iter_unpack(b"12345678")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	618 # Zero-length struct
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	619 s = struct.Struct('>')
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	620 with self.assertRaises(struct.error):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	621 s.iter_unpack(b"")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	622 with self.assertRaises(struct.error):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	623 s.iter_unpack(b"12")
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	624
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	625 def test_iterate(self):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	626 s = struct.Struct('>IB')
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	627 b = bytes(range(1, 16))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	628 it = s.iter_unpack(b)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	629 self.assertEqual(next(it), (0x01020304, 5))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	630 self.assertEqual(next(it), (0x06070809, 10))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	631 self.assertEqual(next(it), (0x0b0c0d0e, 15))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	632 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	633 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	634
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	635 def test_arbitrary_buffer(self):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	636 s = struct.Struct('>IB')
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	637 b = bytes(range(1, 11))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	638 it = s.iter_unpack(memoryview(b))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	639 self.assertEqual(next(it), (0x01020304, 5))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	640 self.assertEqual(next(it), (0x06070809, 10))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	641 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	642 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	643
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	644 def test_length_hint(self):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	645 lh = operator.length_hint
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	646 s = struct.Struct('>IB')
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	647 b = bytes(range(1, 16))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	648 it = s.iter_unpack(b)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	649 self.assertEqual(lh(it), 3)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	650 next(it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	651 self.assertEqual(lh(it), 2)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	652 next(it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	653 self.assertEqual(lh(it), 1)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	654 next(it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	655 self.assertEqual(lh(it), 0)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	656 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	657 self.assertEqual(lh(it), 0)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	658
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	659 def test_module_func(self):
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	660 # Sanity check for the global struct.iter_unpack()
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	661 it = struct.iter_unpack('>IB', bytes(range(1, 11)))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	662 self.assertEqual(next(it), (0x01020304, 5))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	663 self.assertEqual(next(it), (0x06070809, 10))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	664 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	665 self.assertRaises(StopIteration, next, it)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	666
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	667
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	668 def test_main():
83524 d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking. Antoine Pitrou <solipsis@pitrou.net> parents: 81039 diff changeset	669 support.run_unittest(__name__)
40737 6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from Thomas Wouters <thomas@python.org> parents: 40644 diff changeset	670
47750 f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	671 if __name__ == '__main__':
f64996760984 Merged revisions 64089,64098,64100-64102,64113,64115-64116,64118,64120,64132,64342 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 47201 diff changeset	672 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_struct.py @ 83524:d232cff25bbd