FM / test

/opt/imh-python/lib/python3.9/ctypes/test/

/opt/imh-python/lib/python3.9/ctypes/test

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
test_anon.py	2540	0644	edit dl rm
test_arrays.py	7505	0644	edit dl rm
test_array_in_pointer.py	1738	0644	edit dl rm
test_as_parameter.py	6919	0644	edit dl rm
test_bitfields.py	10222	0644	edit dl rm
test_buffers.py	2611	0644	edit dl rm
test_bytes.py	1987	0644	edit dl rm
test_byteswap.py	11411	0644	edit dl rm
test_callbacks.py	10574	0644	edit dl rm
test_cast.py	3728	0644	edit dl rm
test_cfuncs.py	7680	0644	edit dl rm
test_checkretval.py	968	0644	edit dl rm
test_delattr.py	533	0644	edit dl rm
test_errno.py	2171	0644	edit dl rm
test_find.py	4433	0644	edit dl rm
test_frombuffer.py	5215	0644	edit dl rm
test_funcptr.py	4026	0644	edit dl rm
test_functions.py	12556	0644	edit dl rm
test_incomplete.py	1023	0644	edit dl rm
test_init.py	1039	0644	edit dl rm
test_internals.py	2631	0644	edit dl rm
test_keeprefs.py	4058	0644	edit dl rm
test_libc.py	1005	0644	edit dl rm
test_loading.py	7064	0644	edit dl rm
test_macholib.py	2121	0644	edit dl rm
test_memfunctions.py	3293	0644	edit dl rm
test_numbers.py	9526	0644	edit dl rm
test_objects.py	1677	0644	edit dl rm
test_parameters.py	9570	0644	edit dl rm
test_pep3118.py	8516	0644	edit dl rm
test_pickling.py	2218	0644	edit dl rm
test_pointers.py	7239	0644	edit dl rm
test_prototypes.py	6845	0644	edit dl rm
test_python_api.py	2866	0644	edit dl rm
test_random_things.py	2836	0644	edit dl rm
test_refcounts.py	2576	0644	edit dl rm
test_repr.py	842	0644	edit dl rm
test_returnfuncptrs.py	2893	0644	edit dl rm
test_simplesubclasses.py	1289	0644	edit dl rm
test_sizes.py	804	0644	edit dl rm
test_slicing.py	6025	0644	edit dl rm
test_stringptr.py	2598	0644	edit dl rm
test_strings.py	7303	0644	edit dl rm
test_structures.py	27430	0644	edit dl rm
test_struct_fields.py	2421	0644	edit dl rm
test_unaligned_structures.py	1140	0644	edit dl rm
test_unicode.py	1997	0644	edit dl rm
test_values.py	3871	0644	edit dl rm
test_varsize_struct.py	1842	0644	edit dl rm
test_win32.py	5027	0644	edit dl rm
test_wintypes.py	1397	0644	edit dl rm
__init__.py	399	0644	edit dl rm
__main__.py	68	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/ctypes/test/test_refcounts.py (2576B)

import unittest
from test import support
import ctypes
import gc

MyCallback = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_int)
OtherCallback = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_int, ctypes.c_ulonglong)

import _ctypes_test
dll = ctypes.CDLL(_ctypes_test.__file__)

class RefcountTestCase(unittest.TestCase):

@support.refcount_test
    def test_1(self):
        from sys import getrefcount as grc

f = dll._testfunc_callback_i_if
        f.restype = ctypes.c_int
        f.argtypes = [ctypes.c_int, MyCallback]

def callback(value):
            #print "called back with", value
            return value

self.assertEqual(grc(callback), 2)
        cb = MyCallback(callback)

self.assertGreater(grc(callback), 2)
        result = f(-10, cb)
        self.assertEqual(result, -18)
        cb = None

gc.collect()

self.assertEqual(grc(callback), 2)

@support.refcount_test
    def test_refcount(self):
        from sys import getrefcount as grc
        def func(*args):
            pass
        # this is the standard refcount for func
        self.assertEqual(grc(func), 2)

# the CFuncPtr instance holds at least one refcount on func:
        f = OtherCallback(func)
        self.assertGreater(grc(func), 2)

# and may release it again
        del f
        self.assertGreaterEqual(grc(func), 2)

# but now it must be gone
        gc.collect()
        self.assertEqual(grc(func), 2)

class X(ctypes.Structure):
            _fields_ = [("a", OtherCallback)]
        x = X()
        x.a = OtherCallback(func)

# the CFuncPtr instance holds at least one refcount on func:
        self.assertGreater(grc(func), 2)

# and may release it again
        del x
        self.assertGreaterEqual(grc(func), 2)

# and now it must be gone again
        gc.collect()
        self.assertEqual(grc(func), 2)

f = OtherCallback(func)

# the CFuncPtr instance holds at least one refcount on func:
        self.assertGreater(grc(func), 2)

# create a cycle
        f.cycle = f

del f
        gc.collect()
        self.assertEqual(grc(func), 2)

class AnotherLeak(unittest.TestCase):
    def test_callback(self):
        import sys

proto = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_int, ctypes.c_int)
        def func(a, b):
            return a * b * 2
        f = proto(func)

a = sys.getrefcount(ctypes.c_int)
        f(1, 2)
        self.assertEqual(sys.getrefcount(ctypes.c_int), a)

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

cmd: