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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
__init__.py	399 B	-rw-r--r--	2024-04-17 20:40
__main__.py	68 B	-rw-r--r--	2024-04-17 20:40
test_anon.py	2 KB	-rw-r--r--	2024-04-17 20:40
test_array_in_pointer.py	1.7 KB	-rw-r--r--	2024-04-17 20:40
test_arrays.py	5.5 KB	-rw-r--r--	2024-04-17 20:40
test_as_parameter.py	6.61 KB	-rw-r--r--	2024-04-17 20:40
test_bitfields.py	9.84 KB	-rw-r--r--	2024-04-17 20:40
test_buffers.py	2.23 KB	-rw-r--r--	2024-04-17 20:40
test_bytes.py	1.88 KB	-rw-r--r--	2024-04-17 20:40
test_byteswap.py	10.6 KB	-rw-r--r--	2024-04-17 20:40
test_callbacks.py	8.79 KB	-rw-r--r--	2024-04-17 20:40
test_cast.py	3.11 KB	-rw-r--r--	2024-04-17 20:40
test_cfuncs.py	7.5 KB	-rw-r--r--	2024-04-17 20:40
test_checkretval.py	968 B	-rw-r--r--	2024-04-17 20:40
test_delattr.py	533 B	-rw-r--r--	2024-04-17 20:40
test_errno.py	2.25 KB	-rw-r--r--	2024-04-17 20:40
test_find.py	2.77 KB	-rw-r--r--	2024-04-17 20:40
test_frombuffer.py	4.15 KB	-rw-r--r--	2024-04-17 20:40
test_funcptr.py	3.82 KB	-rw-r--r--	2024-04-17 20:40
test_functions.py	12.26 KB	-rw-r--r--	2024-04-17 20:40
test_incomplete.py	1023 B	-rw-r--r--	2024-04-17 20:40
test_init.py	1.01 KB	-rw-r--r--	2024-04-17 20:40
test_internals.py	2.57 KB	-rw-r--r--	2024-04-17 20:40
test_keeprefs.py	3.96 KB	-rw-r--r--	2024-04-17 20:40
test_libc.py	1005 B	-rw-r--r--	2024-04-17 20:40
test_loading.py	4.29 KB	-rw-r--r--	2024-04-17 20:40
test_macholib.py	1.79 KB	-rw-r--r--	2024-04-17 20:40
test_memfunctions.py	3.22 KB	-rw-r--r--	2024-04-17 20:40
test_numbers.py	9.07 KB	-rw-r--r--	2024-04-17 20:40
test_objects.py	1.64 KB	-rw-r--r--	2024-04-17 20:40
test_parameters.py	6.05 KB	-rw-r--r--	2024-04-17 20:40
test_pep3118.py	7.65 KB	-rw-r--r--	2024-04-17 20:40
test_pickling.py	2.17 KB	-rw-r--r--	2024-04-17 20:40
test_pointers.py	6.72 KB	-rw-r--r--	2024-04-17 20:40
test_prototypes.py	6.58 KB	-rw-r--r--	2024-04-17 20:40
test_python_api.py	2.8 KB	-rw-r--r--	2024-04-17 20:40
test_random_things.py	2.76 KB	-rw-r--r--	2024-04-17 20:40
test_refcounts.py	2.52 KB	-rw-r--r--	2024-04-17 20:40
test_repr.py	842 B	-rw-r--r--	2024-04-17 20:40
test_returnfuncptrs.py	2.83 KB	-rw-r--r--	2024-04-17 20:40
test_simplesubclasses.py	1.26 KB	-rw-r--r--	2024-04-17 20:40
test_sizes.py	815 B	-rw-r--r--	2024-04-17 20:40
test_slicing.py	5.87 KB	-rw-r--r--	2024-04-17 20:40
test_stringptr.py	2.48 KB	-rw-r--r--	2024-04-17 20:40
test_strings.py	6.97 KB	-rw-r--r--	2024-04-17 20:40
test_struct_fields.py	1.47 KB	-rw-r--r--	2024-04-17 20:40
test_structures.py	15.41 KB	-rw-r--r--	2024-04-17 20:40
test_unaligned_structures.py	1.19 KB	-rw-r--r--	2024-04-17 20:40
test_unicode.py	1.72 KB	-rw-r--r--	2024-04-17 20:40
test_values.py	3.42 KB	-rw-r--r--	2024-04-17 20:40
test_varsize_struct.py	1.8 KB	-rw-r--r--	2024-04-17 20:40
test_win32.py	5.16 KB	-rw-r--r--	2024-04-17 20:40
test_wintypes.py	1.43 KB	-rw-r--r--	2024-04-17 20:40

Rename

from ctypes import *
import unittest, sys

def callback_func(arg):
    42 / arg
    raise ValueError(arg)

@unittest.skipUnless(sys.platform == "win32", 'Windows-specific test')
class call_function_TestCase(unittest.TestCase):
    # _ctypes.call_function is deprecated and private, but used by
    # Gary Bishp's readline module.  If we have it, we must test it as well.

def test(self):
        from _ctypes import call_function
        windll.kernel32.LoadLibraryA.restype = c_void_p
        windll.kernel32.GetProcAddress.argtypes = c_void_p, c_char_p
        windll.kernel32.GetProcAddress.restype = c_void_p

hdll = windll.kernel32.LoadLibraryA(b"kernel32")
        funcaddr = windll.kernel32.GetProcAddress(hdll, b"GetModuleHandleA")

self.assertEqual(call_function(funcaddr, (None,)),
                             windll.kernel32.GetModuleHandleA(None))

class CallbackTracbackTestCase(unittest.TestCase):
    # When an exception is raised in a ctypes callback function, the C
    # code prints a traceback.
    #
    # This test makes sure the exception types *and* the exception
    # value is printed correctly.
    #
    # Changed in 0.9.3: No longer is '(in callback)' prepended to the
    # error message - instead an additional frame for the C code is
    # created, then a full traceback printed.  When SystemExit is
    # raised in a callback function, the interpreter exits.

def capture_stderr(self, func, *args, **kw):
        # helper - call function 'func', and return the captured stderr
        import io
        old_stderr = sys.stderr
        logger = sys.stderr = io.StringIO()
        try:
            func(*args, **kw)
        finally:
            sys.stderr = old_stderr
        return logger.getvalue()

def test_ValueError(self):
        cb = CFUNCTYPE(c_int, c_int)(callback_func)
        out = self.capture_stderr(cb, 42)
        self.assertEqual(out.splitlines()[-1],
                             "ValueError: 42")

def test_IntegerDivisionError(self):
        cb = CFUNCTYPE(c_int, c_int)(callback_func)
        out = self.capture_stderr(cb, 0)
        self.assertEqual(out.splitlines()[-1][:19],
                             "ZeroDivisionError: ")

def test_FloatDivisionError(self):
        cb = CFUNCTYPE(c_int, c_double)(callback_func)
        out = self.capture_stderr(cb, 0.0)
        self.assertEqual(out.splitlines()[-1][:19],
                             "ZeroDivisionError: ")

def test_TypeErrorDivisionError(self):
        cb = CFUNCTYPE(c_int, c_char_p)(callback_func)
        out = self.capture_stderr(cb, b"spam")
        self.assertEqual(out.splitlines()[-1],
                             "TypeError: "
                             "unsupported operand type(s) for /: 'int' and 'bytes'")

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