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_stringptr.py (2598B)

import unittest
from test import support
from ctypes import *

import _ctypes_test

lib = CDLL(_ctypes_test.__file__)

class StringPtrTestCase(unittest.TestCase):

@support.refcount_test
    def test__POINTER_c_char(self):
        class X(Structure):
            _fields_ = [("str", POINTER(c_char))]
        x = X()

# NULL pointer access
        self.assertRaises(ValueError, getattr, x.str, "contents")
        b = c_buffer(b"Hello, World")
        from sys import getrefcount as grc
        self.assertEqual(grc(b), 2)
        x.str = b
        self.assertEqual(grc(b), 3)

# POINTER(c_char) and Python string is NOT compatible
        # POINTER(c_char) and c_buffer() is compatible
        for i in range(len(b)):
            self.assertEqual(b[i], x.str[i])

self.assertRaises(TypeError, setattr, x, "str", "Hello, World")

def test__c_char_p(self):
        class X(Structure):
            _fields_ = [("str", c_char_p)]
        x = X()

# c_char_p and Python string is compatible
        # c_char_p and c_buffer is NOT compatible
        self.assertEqual(x.str, None)
        x.str = b"Hello, World"
        self.assertEqual(x.str, b"Hello, World")
        b = c_buffer(b"Hello, World")
        self.assertRaises(TypeError, setattr, x, b"str", b)

def test_functions(self):
        strchr = lib.my_strchr
        strchr.restype = c_char_p

# c_char_p and Python string is compatible
        # c_char_p and c_buffer are now compatible
        strchr.argtypes = c_char_p, c_char
        self.assertEqual(strchr(b"abcdef", b"c"), b"cdef")
        self.assertEqual(strchr(c_buffer(b"abcdef"), b"c"), b"cdef")

# POINTER(c_char) and Python string is NOT compatible
        # POINTER(c_char) and c_buffer() is compatible
        strchr.argtypes = POINTER(c_char), c_char
        buf = c_buffer(b"abcdef")
        self.assertEqual(strchr(buf, b"c"), b"cdef")
        self.assertEqual(strchr(b"abcdef", b"c"), b"cdef")

# XXX These calls are dangerous, because the first argument
        # to strchr is no longer valid after the function returns!
        # So we must keep a reference to buf separately

strchr.restype = POINTER(c_char)
        buf = c_buffer(b"abcdef")
        r = strchr(buf, b"c")
        x = r[0], r[1], r[2], r[3], r[4]
        self.assertEqual(x, (b"c", b"d", b"e", b"f", b"\000"))
        del buf
        # Because r is a pointer to memory that is freed after deleting buf,
        # the pointer is hanging and using it would reference freed memory.

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

cmd: