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Issue #20532: Tests which use _testcapi now are marked as CPython only.

This commit is contained in:
Serhiy Storchaka 2014-02-07 10:06:39 +02:00
parent fe4ef392d5
commit 5cfc79deae
25 changed files with 239 additions and 106 deletions
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25
Lib/test/string_tests.py
View File

@ -5,7 +5,6 @@ Common tests shared by test_str, test_unicode, test_userstring and test_string.
import unittest, string, sys, struct
from test import support
from collections import UserList
import _testcapi
class Sequence:
def __init__(self, seq='wxyz'): self.seq = seq
@ -1185,20 +1184,28 @@ class MixinStrUnicodeUserStringTest:
# Outrageously large width or precision should raise ValueError.
self.checkraises(ValueError, '%%%df' % (2**64), '__mod__', (3.2))
self.checkraises(ValueError, '%%.%df' % (2**64), '__mod__', (3.2))
self.checkraises(OverflowError, '%*s', '__mod__',
(_testcapi.PY_SSIZE_T_MAX + 1, ''))
(sys.maxsize + 1, ''))
self.checkraises(OverflowError, '%.*f', '__mod__',
(_testcapi.INT_MAX + 1, 1. / 7))
# Issue 15989
self.checkraises(OverflowError, '%*s', '__mod__',
(1 << (_testcapi.PY_SSIZE_T_MAX.bit_length() + 1), ''))
self.checkraises(OverflowError, '%.*f', '__mod__',
(_testcapi.UINT_MAX + 1, 1. / 7))
(sys.maxsize + 1, 1. / 7))
class X(object): pass
self.checkraises(TypeError, 'abc', '__mod__', X())
@support.cpython_only
def test_formatting_c_limits(self):
from _testcapi import PY_SSIZE_T_MAX, INT_MAX, UINT_MAX
SIZE_MAX = (1 << (PY_SSIZE_T_MAX.bit_length() + 1)) - 1
self.checkraises(OverflowError, '%*s', '__mod__',
(PY_SSIZE_T_MAX + 1, ''))
self.checkraises(OverflowError, '%.*f', '__mod__',
(INT_MAX + 1, 1. / 7))
# Issue 15989
self.checkraises(OverflowError, '%*s', '__mod__',
(SIZE_MAX + 1, ''))
self.checkraises(OverflowError, '%.*f', '__mod__',
(UINT_MAX + 1, 1. / 7))
def test_floatformatting(self):
# float formatting
for prec in range(100):

2
Lib/test/support/__init__.py
View File

@ -25,7 +25,6 @@ import fnmatch
import logging.handlers
import struct
import tempfile
import _testcapi
try:
import _thread, threading
@ -1349,6 +1348,7 @@ _TPFLAGS_HAVE_GC = 1<<14
_TPFLAGS_HEAPTYPE = 1<<9
def check_sizeof(test, o, size):
import _testcapi
result = sys.getsizeof(o)
# add GC header size
if ((type(o) == type) and (o.__flags__ & _TPFLAGS_HEAPTYPE) or\

3
Lib/test/test_capi.py
View File

@ -17,7 +17,8 @@ try:
import threading
except ImportError:
threading = None
import _testcapi
# Skip this test if the _testcapi module isn't available.
_testcapi = support.import_module('_testcapi')
def testfunction(self):

5
Lib/test/test_code.py
View File

@ -104,7 +104,7 @@ consts: ('None',)
import unittest
import weakref
import _testcapi
from test.support import run_doctest, run_unittest, cpython_only
def consts(t):
@ -126,7 +126,9 @@ def dump(co):
class CodeTest(unittest.TestCase):
@cpython_only
def test_newempty(self):
import _testcapi
co = _testcapi.code_newempty("filename", "funcname", 15)
self.assertEqual(co.co_filename, "filename")
self.assertEqual(co.co_name, "funcname")
@ -159,7 +161,6 @@ class CodeWeakRefTest(unittest.TestCase):
def test_main(verbose=None):
from test.support import run_doctest, run_unittest
from test import test_code
run_doctest(test_code, verbose)
run_unittest(CodeTest, CodeWeakRefTest)

87
Lib/test/test_codecs.py
View File

@ -1,4 +1,3 @@
import _testcapi
import codecs
import io
import locale
@ -1710,7 +1709,7 @@ broken_incremental_coders = broken_unicode_with_streams + [
class BasicUnicodeTest(unittest.TestCase, MixInCheckStateHandling):
def test_basics(self):
s = "abc123" # all codecs should be able to encode these
s = "abc123" # all codecs should be able to encode these
for encoding in all_unicode_encodings:
name = codecs.lookup(encoding).name
if encoding.endswith("_codec"):
@ -1722,9 +1721,9 @@ class BasicUnicodeTest(unittest.TestCase, MixInCheckStateHandling):
with support.check_warnings():
# unicode-internal has been deprecated
(b, size) = codecs.getencoder(encoding)(s)
self.assertEqual(size, len(s), "%r != %r (encoding=%r)" % (size, len(s), encoding))
self.assertEqual(size, len(s), "encoding=%r" % encoding)
(chars, size) = codecs.getdecoder(encoding)(b)
self.assertEqual(chars, s, "%r != %r (encoding=%r)" % (chars, s, encoding))
self.assertEqual(chars, s, "encoding=%r" % encoding)
if encoding not in broken_unicode_with_streams:
# check stream reader/writer
@ -1742,15 +1741,13 @@ class BasicUnicodeTest(unittest.TestCase, MixInCheckStateHandling):
for c in encodedresult:
q.write(bytes([c]))
decodedresult += reader.read()
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
self.assertEqual(decodedresult, s, "encoding=%r" % encoding)
if encoding not in broken_incremental_coders:
# check incremental decoder/encoder (fetched via the Python
# and C API) and iterencode()/iterdecode()
# check incremental decoder/encoder and iterencode()/iterdecode()
try:
encoder = codecs.getincrementalencoder(encoding)()
cencoder = _testcapi.codec_incrementalencoder(encoding)
except LookupError: # no IncrementalEncoder
except LookupError: # no IncrementalEncoder
pass
else:
# check incremental decoder/encoder
@ -1763,45 +1760,71 @@ class BasicUnicodeTest(unittest.TestCase, MixInCheckStateHandling):
for c in encodedresult:
decodedresult += decoder.decode(bytes([c]))
decodedresult += decoder.decode(b"", True)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
# check C API
encodedresult = b""
for c in s:
encodedresult += cencoder.encode(c)
encodedresult += cencoder.encode("", True)
cdecoder = _testcapi.codec_incrementaldecoder(encoding)
decodedresult = ""
for c in encodedresult:
decodedresult += cdecoder.decode(bytes([c]))
decodedresult += cdecoder.decode(b"", True)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
self.assertEqual(decodedresult, s,
"encoding=%r" % encoding)
# check iterencode()/iterdecode()
result = "".join(codecs.iterdecode(codecs.iterencode(s, encoding), encoding))
self.assertEqual(result, s, "%r != %r (encoding=%r)" % (result, s, encoding))
result = "".join(codecs.iterdecode(
codecs.iterencode(s, encoding), encoding))
self.assertEqual(result, s, "encoding=%r" % encoding)
# check iterencode()/iterdecode() with empty string
result = "".join(codecs.iterdecode(codecs.iterencode("", encoding), encoding))
result = "".join(codecs.iterdecode(
codecs.iterencode("", encoding), encoding))
self.assertEqual(result, "")
if encoding not in ("idna", "mbcs"):
# check incremental decoder/encoder with errors argument
try:
encoder = codecs.getincrementalencoder(encoding)("ignore")
cencoder = _testcapi.codec_incrementalencoder(encoding, "ignore")
except LookupError: # no IncrementalEncoder
except LookupError: # no IncrementalEncoder
pass
else:
encodedresult = b"".join(encoder.encode(c) for c in s)
decoder = codecs.getincrementaldecoder(encoding)("ignore")
decodedresult = "".join(decoder.decode(bytes([c])) for c in encodedresult)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
decodedresult = "".join(decoder.decode(bytes([c]))
for c in encodedresult)
self.assertEqual(decodedresult, s,
"encoding=%r" % encoding)
@support.cpython_only
def test_basics_capi(self):
from _testcapi import codec_incrementalencoder, codec_incrementaldecoder
s = "abc123" # all codecs should be able to encode these
for encoding in all_unicode_encodings:
if encoding not in broken_incremental_coders:
# check incremental decoder/encoder (fetched via the C API)
try:
cencoder = codec_incrementalencoder(encoding)
except LookupError: # no IncrementalEncoder
pass
else:
# check C API
encodedresult = b""
for c in s:
encodedresult += cencoder.encode(c)
encodedresult += cencoder.encode("", True)
cdecoder = codec_incrementaldecoder(encoding)
decodedresult = ""
for c in encodedresult:
decodedresult += cdecoder.decode(bytes([c]))
decodedresult += cdecoder.decode(b"", True)
self.assertEqual(decodedresult, s,
"encoding=%r" % encoding)
if encoding not in ("idna", "mbcs"):
# check incremental decoder/encoder with errors argument
try:
cencoder = codec_incrementalencoder(encoding, "ignore")
except LookupError: # no IncrementalEncoder
pass
else:
encodedresult = b"".join(cencoder.encode(c) for c in s)
cdecoder = _testcapi.codec_incrementaldecoder(encoding, "ignore")
decodedresult = "".join(cdecoder.decode(bytes([c])) for c in encodedresult)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
cdecoder = codec_incrementaldecoder(encoding, "ignore")
decodedresult = "".join(cdecoder.decode(bytes([c]))
for c in encodedresult)
self.assertEqual(decodedresult, s,
"encoding=%r" % encoding)
def test_seek(self):
# all codecs should be able to encode these

1
Lib/test/test_descr.py
View File

@ -2046,6 +2046,7 @@ order (MRO) for bases """
prop2 = property(fset=setter)
self.assertEqual(prop2.__doc__, None)
@support.cpython_only
def test_testcapi_no_segfault(self):
# this segfaulted in 2.5b2
try:

15
Lib/test/test_devpoll.py
View File

@ -3,8 +3,7 @@
# Initial tests are copied as is from "test_poll.py"
import os, select, random, unittest, sys
from test.support import TESTFN, run_unittest
from _testcapi import USHRT_MAX
from test.support import TESTFN, run_unittest, cpython_only
try:
select.devpoll
@ -94,8 +93,18 @@ class DevPollTests(unittest.TestCase):
pollster.register(w)
# Issue #17919
self.assertRaises(OverflowError, pollster.register, 0, -1)
self.assertRaises(OverflowError, pollster.register, 0, USHRT_MAX + 1)
self.assertRaises(OverflowError, pollster.register, 0, 1 << 64)
self.assertRaises(OverflowError, pollster.modify, 1, -1)
self.assertRaises(OverflowError, pollster.modify, 1, 1 << 64)
@cpython_only
def test_events_mask_overflow_c_limits(self):
from _testcapi import USHRT_MAX
pollster = select.devpoll()
w, r = os.pipe()
pollster.register(w)
# Issue #17919
self.assertRaises(OverflowError, pollster.register, 0, USHRT_MAX + 1)
self.assertRaises(OverflowError, pollster.modify, 1, USHRT_MAX + 1)

2
Lib/test/test_exceptions.py
View File

@ -832,6 +832,7 @@ class ExceptionTests(unittest.TestCase):
self.assertIn("maximum recursion depth exceeded", str(v))
@cpython_only
def test_MemoryError(self):
# PyErr_NoMemory always raises the same exception instance.
# Check that the traceback is not doubled.
@ -890,6 +891,7 @@ class ExceptionTests(unittest.TestCase):
self.assertEqual(error5.a, 1)
self.assertEqual(error5.__doc__, "")
@cpython_only
def test_memory_error_cleanup(self):
# Issue #5437: preallocated MemoryError instances should not keep
# traceback objects alive.

47
Lib/test/test_fcntl.py
View File

@ -7,9 +7,9 @@ import platform
import os
import struct
import sys
import _testcapi
import unittest
from test.support import verbose, TESTFN, unlink, run_unittest, import_module
from test.support import (verbose, TESTFN, unlink, run_unittest, import_module,
cpython_only)
# Skip test if no fcntl module.
fcntl = import_module('fcntl')
@ -50,6 +50,12 @@ def get_lockdata():
lockdata = get_lockdata()
class BadFile:
def __init__(self, fn):
self.fn = fn
def fileno(self):
return self.fn
class TestFcntl(unittest.TestCase):
def setUp(self):
@ -81,24 +87,27 @@ class TestFcntl(unittest.TestCase):
self.f.close()
def test_fcntl_bad_file(self):
class F:
def __init__(self, fn):
self.fn = fn
def fileno(self):
return self.fn
self.assertRaises(ValueError, fcntl.fcntl, -1, fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(ValueError, fcntl.fcntl, F(-1), fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(TypeError, fcntl.fcntl, 'spam', fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(TypeError, fcntl.fcntl, F('spam'), fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(ValueError):
fcntl.fcntl(-1, fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(ValueError):
fcntl.fcntl(BadFile(-1), fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(TypeError):
fcntl.fcntl('spam', fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(TypeError):
fcntl.fcntl(BadFile('spam'), fcntl.F_SETFL, os.O_NONBLOCK)
@cpython_only
def test_fcntl_bad_file_overflow(self):
from _testcapi import INT_MAX, INT_MIN
# Issue 15989
self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MAX + 1,
fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MAX + 1),
fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MIN - 1,
fcntl.F_SETFL, os.O_NONBLOCK)
self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MIN - 1),
fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(OverflowError):
fcntl.fcntl(INT_MAX + 1, fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(OverflowError):
fcntl.fcntl(BadFile(INT_MAX + 1), fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(OverflowError):
fcntl.fcntl(INT_MIN - 1, fcntl.F_SETFL, os.O_NONBLOCK)
with self.assertRaises(OverflowError):
fcntl.fcntl(BadFile(INT_MIN - 1), fcntl.F_SETFL, os.O_NONBLOCK)
@unittest.skipIf(
platform.machine().startswith('arm') and platform.system() == 'Linux',

7
Lib/test/test_fileio.py
View File

@ -8,9 +8,8 @@ import unittest
from array import array
from weakref import proxy
from functools import wraps
import _testcapi
from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd
from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd, cpython_only
from collections import UserList
from _io import FileIO as _FileIO
@ -362,7 +361,11 @@ class OtherFileTests(unittest.TestCase):
if sys.platform == 'win32':
import msvcrt
self.assertRaises(IOError, msvcrt.get_osfhandle, make_bad_fd())
@cpython_only
def testInvalidFd_overflow(self):
# Issue 15989
import _testcapi
self.assertRaises(TypeError, _FileIO, _testcapi.INT_MAX + 1)
self.assertRaises(TypeError, _FileIO, _testcapi.INT_MIN - 1)

22
Lib/test/test_format.py
View File

@ -313,21 +313,31 @@ def test_main():
support.run_unittest(FormatTest)
def test_precision(self):
INT_MAX = 2147483647
f = 1.2
self.assertEqual(format(f, ".0f"), "1")
self.assertEqual(format(f, ".3f"), "1.200")
with self.assertRaises(ValueError) as cm:
format(f, ".%sf" % (INT_MAX + 1))
format(f, ".%sf" % (sys.maxsize + 1))
self.assertEqual(str(cm.exception), "precision too big")
c = complex(f)
self.assertEqual(format(f, ".0f"), "1")
self.assertEqual(format(f, ".3f"), "1.200")
self.assertEqual(format(c, ".0f"), "1+0j")
self.assertEqual(format(c, ".3f"), "1.200+0.000j")
with self.assertRaises(ValueError) as cm:
format(c, ".%sf" % (sys.maxsize + 1))
self.assertEqual(str(cm.exception), "precision too big")
@support.cpython_only
def test_precision_c_limits(self):
from _testcapi import INT_MAX
f = 1.2
with self.assertRaises(ValueError) as cm:
format(f, ".%sf" % (INT_MAX + 1))
self.assertEqual(str(cm.exception), "precision too big")
c = complex(f)
with self.assertRaises(ValueError) as cm:
format(c, ".%sf" % (INT_MAX + 1))
if __name__ == "__main__":

2
Lib/test/test_getargs2.py
View File

@ -1,5 +1,7 @@
import unittest
from test import support
# Skip this test if the _testcapi module isn't available.
support.import_module('_testcapi')
from _testcapi import getargs_keywords, getargs_keyword_only
"""

5
Lib/test/test_io.py
View File

@ -32,7 +32,6 @@ import time
import unittest
import warnings
import weakref
import _testcapi
from collections import deque, UserList
from itertools import cycle, count
from test import support
@ -1977,8 +1976,10 @@ class TextIOWrapperTest(unittest.TestCase):
os.environ.clear()
os.environ.update(old_environ)
# Issue 15989
@support.cpython_only
def test_device_encoding(self):
# Issue 15989
import _testcapi
b = self.BytesIO()
b.fileno = lambda: _testcapi.INT_MAX + 1
self.assertRaises(OverflowError, self.TextIOWrapper, b)

15
Lib/test/test_poll.py
View File

@ -3,14 +3,13 @@
import os
import random
import select
from _testcapi import USHRT_MAX, INT_MAX, UINT_MAX
try:
import threading
except ImportError:
threading = None
import time
import unittest
from test.support import TESTFN, run_unittest, reap_threads
from test.support import TESTFN, run_unittest, reap_threads, cpython_only
try:
select.poll
@ -161,8 +160,18 @@ class PollTests(unittest.TestCase):
# Issues #15989, #17919
self.assertRaises(OverflowError, pollster.register, 0, -1)
self.assertRaises(OverflowError, pollster.register, 0, USHRT_MAX + 1)
self.assertRaises(OverflowError, pollster.register, 0, 1 << 64)
self.assertRaises(OverflowError, pollster.modify, 1, -1)
self.assertRaises(OverflowError, pollster.modify, 1, 1 << 64)
@cpython_only
def test_poll_c_limits(self):
from _testcapi import USHRT_MAX, INT_MAX, UINT_MAX
pollster = select.poll()
pollster.register(1)
# Issues #15989, #17919
self.assertRaises(OverflowError, pollster.register, 0, USHRT_MAX + 1)
self.assertRaises(OverflowError, pollster.modify, 1, USHRT_MAX + 1)
self.assertRaises(OverflowError, pollster.poll, INT_MAX + 1)
self.assertRaises(OverflowError, pollster.poll, UINT_MAX + 1)

6
Lib/test/test_posix.py
View File

@ -17,7 +17,6 @@ import stat
import tempfile
import unittest
import warnings
import _testcapi
_DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(),
support.TESTFN + '-dummy-symlink')
@ -615,7 +614,12 @@ class PosixTester(unittest.TestCase):
except OSError:
pass
@support.cpython_only
@unittest.skipUnless(hasattr(os, 'pipe2'), "test needs os.pipe2()")
@support.requires_linux_version(2, 6, 27)
def test_pipe2_c_limits(self):
# Issue 15989
import _testcapi
self.assertRaises(OverflowError, os.pipe2, _testcapi.INT_MAX + 1)
self.assertRaises(OverflowError, os.pipe2, _testcapi.UINT_MAX + 1)

36
Lib/test/test_socket.py
View File

@ -7,7 +7,6 @@ import io
import socket
import select
import tempfile
import _testcapi
import time
import traceback
import queue
@ -1274,7 +1273,10 @@ class GeneralModuleTests(unittest.TestCase):
srv.listen(backlog)
srv.close()
@support.cpython_only
def test_listen_backlog_overflow(self):
# Issue 15989
import _testcapi
srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
srv.bind((HOST, 0))
self.assertRaises(OverflowError, srv.listen, _testcapi.INT_MAX + 1)
@ -1592,6 +1594,14 @@ class BasicTCPTest(SocketConnectedTest):
self.done.wait()
def _testShutdown(self):
self.serv_conn.send(MSG)
self.serv_conn.shutdown(2)
testShutdown_overflow = support.cpython_only(testShutdown)
@support.cpython_only
def _testShutdown_overflow(self):
import _testcapi
self.serv_conn.send(MSG)
# Issue 15989
self.assertRaises(OverflowError, self.serv_conn.shutdown,
@ -2361,7 +2371,12 @@ class CmsgMacroTests(unittest.TestCase):
# code with these functions.
# Match the definition in socketmodule.c
socklen_t_limit = min(0x7fffffff, _testcapi.INT_MAX)
try:
import _testcapi
except ImportError:
socklen_t_limit = 0x7fffffff
else:
socklen_t_limit = min(0x7fffffff, _testcapi.INT_MAX)
@requireAttrs(socket, "CMSG_LEN")
def testCMSG_LEN(self):
@ -3586,14 +3601,23 @@ class NonBlockingTCPTests(ThreadedTCPSocketTest):
pass
end = time.time()
self.assertTrue((end - start) < 1.0, "Error setting non-blocking mode.")
# Issue 15989
if _testcapi.UINT_MAX < _testcapi.ULONG_MAX:
self.serv.setblocking(_testcapi.UINT_MAX + 1)
self.assertIsNone(self.serv.gettimeout())
def _testSetBlocking(self):
pass
@support.cpython_only
def testSetBlocking_overflow(self):
# Issue 15989
import _testcapi
if _testcapi.UINT_MAX >= _testcapi.ULONG_MAX:
self.skipTest('needs UINT_MAX < ULONG_MAX')
self.serv.setblocking(False)
self.assertEqual(self.serv.gettimeout(), 0.0)
self.serv.setblocking(_testcapi.UINT_MAX + 1)
self.assertIsNone(self.serv.gettimeout())
_testSetBlocking_overflow = support.cpython_only(_testSetBlocking)
@unittest.skipUnless(hasattr(socket, 'SOCK_NONBLOCK'),
'test needs socket.SOCK_NONBLOCK')
@support.requires_linux_version(2, 6, 28)

8
Lib/test/test_structmembers.py
View File

@ -1,3 +1,8 @@
import unittest
from test import support
# Skip this test if the _testcapi module isn't available.
support.import_module('_testcapi')
from _testcapi import _test_structmembersType, \
CHAR_MAX, CHAR_MIN, UCHAR_MAX, \
SHRT_MAX, SHRT_MIN, USHRT_MAX, \
@ -6,9 +11,6 @@ from _testcapi import _test_structmembersType, \
LLONG_MAX, LLONG_MIN, ULLONG_MAX, \
PY_SSIZE_T_MAX, PY_SSIZE_T_MIN
import unittest
from test import support
ts=_test_structmembersType(False, # T_BOOL
1, # T_BYTE
2, # T_UBYTE

1
Lib/test/test_sys.py
View File

@ -610,6 +610,7 @@ class SysModuleTest(unittest.TestCase):
ret, out, err = assert_python_ok(*args)
self.assertIn(b"free PyDictObjects", err)
@test.support.cpython_only
class SizeofTest(unittest.TestCase):
def setUp(self):

12
Lib/test/test_tcl.py
View File

@ -1,7 +1,6 @@
import unittest
import sys
import os
import _testcapi
from test import support
# Skip this test if the _tkinter module wasn't built.
@ -13,6 +12,11 @@ support.import_fresh_module('tkinter')
from tkinter import Tcl
from _tkinter import TclError
try:
from _testcapi import INT_MAX, PY_SSIZE_T_MAX
except ImportError:
INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
tcl_version = _tkinter.TCL_VERSION.split('.')
try:
for i in range(len(tcl_version)):
@ -539,9 +543,9 @@ class BigmemTclTest(unittest.TestCase):
def setUp(self):
self.interp = Tcl()
@unittest.skipUnless(_testcapi.INT_MAX < _testcapi.PY_SSIZE_T_MAX,
"needs UINT_MAX < SIZE_MAX")
@support.bigmemtest(size=_testcapi.INT_MAX + 1, memuse=5, dry_run=False)
@support.cpython_only
@unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
@support.bigmemtest(size=INT_MAX + 1, memuse=5, dry_run=False)
def test_huge_string(self, size):
value = ' ' * size
self.assertRaises(OverflowError, self.interp.call, 'set', '_', value)

3
Lib/test/test_threading.py
View File

@ -3,7 +3,7 @@ Tests for the threading module.
"""
import test.support
from test.support import verbose, strip_python_stderr, import_module
from test.support import verbose, strip_python_stderr, import_module, cpython_only
from test.script_helper import assert_python_ok
import random
@ -773,6 +773,7 @@ class ThreadJoinOnShutdown(BaseTestCase):
for t in threads:
t.join()
@cpython_only
@unittest.skipIf(_testcapi is None, "need _testcapi module")
def test_frame_tstate_tracing(self):
# Issue #14432: Crash when a generator is created in a C thread that is

3
Lib/test/test_time.py
View File

@ -573,6 +573,7 @@ class TestPytime(unittest.TestCase):
-(2.0 ** 100.0), 2.0 ** 100.0,
)
@support.cpython_only
def test_time_t(self):
from _testcapi import pytime_object_to_time_t
for obj, time_t in (
@ -588,6 +589,7 @@ class TestPytime(unittest.TestCase):
for invalid in self.invalid_values:
self.assertRaises(OverflowError, pytime_object_to_time_t, invalid)
@support.cpython_only
def test_timeval(self):
from _testcapi import pytime_object_to_timeval
for obj, timeval in (
@ -607,6 +609,7 @@ class TestPytime(unittest.TestCase):
for invalid in self.invalid_values:
self.assertRaises(OverflowError, pytime_object_to_timeval, invalid)
@support.cpython_only
def test_timespec(self):
from _testcapi import pytime_object_to_timespec
for obj, timespec in (

7
Lib/test/test_traceback.py
View File

@ -1,12 +1,11 @@
"""Test cases for traceback module"""
from _testcapi import traceback_print, exception_print
from io import StringIO
import sys
import unittest
import re
from test.support import run_unittest, Error, captured_output
from test.support import TESTFN, unlink
from test.support import TESTFN, unlink, cpython_only
import traceback
@ -173,7 +172,9 @@ class SyntaxTracebackCases(unittest.TestCase):
class TracebackFormatTests(unittest.TestCase):
@cpython_only
def test_traceback_format(self):
from _testcapi import traceback_print
try:
raise KeyError('blah')
except KeyError:
@ -360,7 +361,9 @@ class CExcReportingTests(BaseExceptionReportingTests, unittest.TestCase):
# This checks built-in reporting by the interpreter.
#
@cpython_only
def get_report(self, e):
from _testcapi import exception_print
e = self.get_exception(e)
with captured_output("stderr") as s:
exception_print(e)

18
Lib/test/test_ucn.py
View File

@ -9,12 +9,16 @@ Modified for Python 2.0 by Fredrik Lundh (fredrik@pythonware.com)
import unittest
import unicodedata
import _testcapi
from test import support
from http.client import HTTPException
from test.test_normalization import check_version
try:
from _testcapi import INT_MAX, PY_SSIZE_T_MAX, UINT_MAX
except ImportError:
INT_MAX = PY_SSIZE_T_MAX = UINT_MAX = 2**64 - 1
class UnicodeNamesTest(unittest.TestCase):
def checkletter(self, name, code):
@ -216,15 +220,13 @@ class UnicodeNamesTest(unittest.TestCase):
str, b"\\NSPACE", 'unicode-escape', 'strict'
)
@unittest.skipUnless(_testcapi.INT_MAX < _testcapi.PY_SSIZE_T_MAX,
"needs UINT_MAX < SIZE_MAX")
@support.bigmemtest(size=_testcapi.UINT_MAX + 1,
memuse=2 + 1, dry_run=False)
@support.cpython_only
@unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
@support.bigmemtest(size=UINT_MAX + 1, memuse=2 + 1, dry_run=False)
def test_issue16335(self, size):
# very very long bogus character name
x = b'\\N{SPACE' + b'x' * (_testcapi.UINT_MAX + 1) + b'}'
self.assertEqual(len(x), len(b'\\N{SPACE}') +
(_testcapi.UINT_MAX + 1))
x = b'\\N{SPACE' + b'x' * (UINT_MAX + 1) + b'}'
self.assertEqual(len(x), len(b'\\N{SPACE}') + (UINT_MAX + 1))
self.assertRaisesRegex(UnicodeError,
'unknown Unicode character name',
x.decode, 'unicode-escape'

11
Lib/test/test_unicode.py
View File

@ -1108,8 +1108,13 @@ class UnicodeTest(string_tests.CommonTest,
self.assertEqual('%.1s' % "a\xe9\u20ac", 'a')
self.assertEqual('%.2s' % "a\xe9\u20ac", 'a\xe9')
@support.cpython_only
def test_formatting_huge_precision(self):
format_string = "%.{}f".format(sys.maxsize + 1)
with self.assertRaises(ValueError):
result = format_string % 2.34
@support.cpython_only
def test_formatting_huge_precision_c_limits(self):
from _testcapi import INT_MAX
format_string = "%.{}f".format(INT_MAX + 1)
with self.assertRaises(ValueError):
@ -2090,6 +2095,7 @@ class UnicodeTest(string_tests.CommonTest,
self.assertEqual(PyUnicode_FromFormat(b'%.%s', b'abc'), '%.%s')
# Test PyUnicode_AsWideChar()
@support.cpython_only
def test_aswidechar(self):
from _testcapi import unicode_aswidechar
support.import_module('ctypes')
@ -2127,6 +2133,7 @@ class UnicodeTest(string_tests.CommonTest,
self.assertEqual(wchar, nonbmp + '\0')
# Test PyUnicode_AsWideCharString()
@support.cpython_only
def test_aswidecharstring(self):
from _testcapi import unicode_aswidecharstring
support.import_module('ctypes')
@ -2161,6 +2168,7 @@ class UnicodeTest(string_tests.CommonTest,
s += "4"
self.assertEqual(s, "3")
@support.cpython_only
def test_encode_decimal(self):
from _testcapi import unicode_encodedecimal
self.assertEqual(unicode_encodedecimal('123'),
@ -2176,6 +2184,7 @@ class UnicodeTest(string_tests.CommonTest,
"^'decimal' codec can't encode character",
unicode_encodedecimal, "123\u20ac", "replace")
@support.cpython_only
def test_transform_decimal(self):
from _testcapi import unicode_transformdecimaltoascii as transform_decimal
self.assertEqual(transform_decimal('123'),

2
Misc/NEWS
View File

@ -324,6 +324,8 @@ IDLE
Tests
-----
- Issue #20532: Tests which use _testcapi are now marked as CPython only.
- Issue #19920: Added tests for TarFile.list(). Based on patch by Vajrasky Kok.
- Issue #19990: Added tests for the imghdr module. Based on patch by