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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
__init__.py	445 B	-rw-r--r--	2025-06-04 09:23
__main__.py	68 B	-rw-r--r--	2025-06-04 09:23
test_anon.py	2.48 KB	-rw-r--r--	2025-06-04 09:23
test_array_in_pointer.py	1.7 KB	-rw-r--r--	2025-06-04 09:23
test_arrays.py	7.33 KB	-rw-r--r--	2025-06-04 09:23
test_as_parameter.py	6.76 KB	-rw-r--r--	2025-06-04 09:23
test_bitfields.py	10.11 KB	-rw-r--r--	2025-06-04 09:23
test_buffers.py	2.55 KB	-rw-r--r--	2025-06-04 09:23
test_bytes.py	1.94 KB	-rw-r--r--	2025-06-04 09:23
test_byteswap.py	11.14 KB	-rw-r--r--	2025-06-04 09:23
test_callbacks.py	10.33 KB	-rw-r--r--	2025-06-04 09:23
test_cast.py	3.64 KB	-rw-r--r--	2025-06-04 09:23
test_cfuncs.py	7.5 KB	-rw-r--r--	2025-06-04 09:23
test_checkretval.py	968 B	-rw-r--r--	2025-06-04 09:23
test_delattr.py	533 B	-rw-r--r--	2025-06-04 09:23
test_errno.py	2.12 KB	-rw-r--r--	2025-06-04 09:23
test_find.py	4.36 KB	-rw-r--r--	2025-06-04 09:23
test_frombuffer.py	5.09 KB	-rw-r--r--	2025-06-04 09:23
test_funcptr.py	3.93 KB	-rw-r--r--	2025-06-04 09:23
test_functions.py	12.21 KB	-rw-r--r--	2025-06-04 09:23
test_incomplete.py	1023 B	-rw-r--r--	2025-06-04 09:23
test_init.py	1.01 KB	-rw-r--r--	2025-06-04 09:23
test_internals.py	2.57 KB	-rw-r--r--	2025-06-04 09:23
test_keeprefs.py	3.96 KB	-rw-r--r--	2025-06-04 09:23
test_libc.py	1005 B	-rw-r--r--	2025-06-04 09:23
test_loading.py	6.97 KB	-rw-r--r--	2025-06-04 09:23
test_macholib.py	2.07 KB	-rw-r--r--	2025-06-04 09:23
test_memfunctions.py	3.22 KB	-rw-r--r--	2025-06-04 09:23
test_numbers.py	9.25 KB	-rw-r--r--	2025-06-04 09:23
test_objects.py	1.64 KB	-rw-r--r--	2025-06-04 09:23
test_parameters.py	10.83 KB	-rw-r--r--	2025-06-04 09:23
test_pep3118.py	8.48 KB	-rw-r--r--	2025-06-04 09:23
test_pickling.py	2.17 KB	-rw-r--r--	2025-06-04 09:23
test_pointers.py	7.07 KB	-rw-r--r--	2025-06-04 09:23
test_prototypes.py	6.68 KB	-rw-r--r--	2025-06-04 09:23
test_python_api.py	2.7 KB	-rw-r--r--	2025-06-04 09:23
test_random_things.py	2.77 KB	-rw-r--r--	2025-06-04 09:23
test_refcounts.py	3.06 KB	-rw-r--r--	2025-06-04 09:23
test_repr.py	842 B	-rw-r--r--	2025-06-04 09:23
test_returnfuncptrs.py	2.83 KB	-rw-r--r--	2025-06-04 09:23
test_simplesubclasses.py	1.26 KB	-rw-r--r--	2025-06-04 09:23
test_sizes.py	804 B	-rw-r--r--	2025-06-04 09:23
test_slicing.py	5.88 KB	-rw-r--r--	2025-06-04 09:23
test_stringptr.py	2.54 KB	-rw-r--r--	2025-06-04 09:23
test_strings.py	7.13 KB	-rw-r--r--	2025-06-04 09:23
test_struct_fields.py	2.92 KB	-rw-r--r--	2025-06-04 09:23
test_structures.py	26.77 KB	-rw-r--r--	2025-06-04 09:23
test_unaligned_structures.py	1.11 KB	-rw-r--r--	2025-06-04 09:23
test_unicode.py	1.95 KB	-rw-r--r--	2025-06-04 09:23
test_values.py	3.78 KB	-rw-r--r--	2025-06-04 09:23
test_varsize_struct.py	1.8 KB	-rw-r--r--	2025-06-04 09:23
test_win32.py	4.91 KB	-rw-r--r--	2025-06-04 09:23
test_wintypes.py	1.36 KB	-rw-r--r--	2025-06-04 09:23

Rename

import unittest, os, errno
import threading

from ctypes import *
from ctypes.util import find_library

class Test(unittest.TestCase):
    def test_open(self):
        libc_name = find_library("c")
        if libc_name is None:
            raise unittest.SkipTest("Unable to find C library")
        libc = CDLL(libc_name, use_errno=True)
        if os.name == "nt":
            libc_open = libc._open
        else:
            libc_open = libc.open

libc_open.argtypes = c_char_p, c_int

self.assertEqual(libc_open(b"", 0), -1)
        self.assertEqual(get_errno(), errno.ENOENT)

self.assertEqual(set_errno(32), errno.ENOENT)
        self.assertEqual(get_errno(), 32)

def _worker():
            set_errno(0)

libc = CDLL(libc_name, use_errno=False)
            if os.name == "nt":
                libc_open = libc._open
            else:
                libc_open = libc.open
            libc_open.argtypes = c_char_p, c_int
            self.assertEqual(libc_open(b"", 0), -1)
            self.assertEqual(get_errno(), 0)

t = threading.Thread(target=_worker)
        t.start()
        t.join()

self.assertEqual(get_errno(), 32)
        set_errno(0)

@unittest.skipUnless(os.name == "nt", 'Test specific to Windows')
    def test_GetLastError(self):
        dll = WinDLL("kernel32", use_last_error=True)
        GetModuleHandle = dll.GetModuleHandleA
        GetModuleHandle.argtypes = [c_wchar_p]

self.assertEqual(0, GetModuleHandle("foo"))
        self.assertEqual(get_last_error(), 126)

self.assertEqual(set_last_error(32), 126)
        self.assertEqual(get_last_error(), 32)

def _worker():
            set_last_error(0)

dll = WinDLL("kernel32", use_last_error=False)
            GetModuleHandle = dll.GetModuleHandleW
            GetModuleHandle.argtypes = [c_wchar_p]
            GetModuleHandle("bar")

self.assertEqual(get_last_error(), 0)

t = threading.Thread(target=_worker)
        t.start()
        t.join()

self.assertEqual(get_last_error(), 32)

set_last_error(0)

if __name__ == "__main__":
    unittest.main()