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Nama	Ukuran	Aksi
__pycache__	-	Open
test_aligned_structures.py	10.94 MB	View DL Edit
test_anon.py	2.51 MB	View DL Edit
test_arrays.py	8.74 MB	View DL Edit
test_array_in_pointer.py	1.73 MB	View DL Edit
test_as_parameter.py	7.21 MB	View DL Edit
test_bitfields.py	10.23 MB	View DL Edit
test_buffers.py	2.52 MB	View DL Edit
test_bytes.py	1.98 MB	View DL Edit
test_byteswap.py	13.49 MB	View DL Edit
test_callbacks.py	11.25 MB	View DL Edit
test_cast.py	3.72 MB	View DL Edit
test_cfuncs.py	7.65 MB	View DL Edit
test_checkretval.py	1.05 MB	View DL Edit
test_c_simple_type_meta.py	4.85 MB	View DL Edit
test_delattr.py	562 B	View DL Edit
test_dlerror.py	6.34 MB	View DL Edit
test_errno.py	2.25 MB	View DL Edit
test_find.py	5.33 MB	View DL Edit
test_frombuffer.py	5.15 MB	View DL Edit
test_funcptr.py	4.31 MB	View DL Edit
test_functions.py	14.47 MB	View DL Edit
test_incomplete.py	1.3 MB	View DL Edit
test_init.py	1.03 MB	View DL Edit
test_internals.py	2.48 MB	View DL Edit
test_keeprefs.py	3.14 MB	View DL Edit
test_libc.py	1.17 MB	View DL Edit
test_loading.py	7.59 MB	View DL Edit
test_macholib.py	4.45 MB	View DL Edit
test_memfunctions.py	3.29 MB	View DL Edit
test_numbers.py	6.94 MB	View DL Edit
test_objects.py	1.52 MB	View DL Edit
test_parameters.py	10.65 MB	View DL Edit
test_pep3118.py	8.95 MB	View DL Edit
test_pickling.py	2.39 MB	View DL Edit
test_pointers.py	8.03 MB	View DL Edit
test_prototypes.py	6.89 MB	View DL Edit
test_python_api.py	2.74 MB	View DL Edit
test_random_things.py	2.82 MB	View DL Edit
test_refcounts.py	4.15 MB	View DL Edit
test_repr.py	1 MB	View DL Edit
test_returnfuncptrs.py	2.96 MB	View DL Edit
test_simplesubclasses.py	3.06 MB	View DL Edit
test_sizes.py	1.06 MB	View DL Edit
test_slicing.py	5.6 MB	View DL Edit
test_stringptr.py	2.82 MB	View DL Edit
test_strings.py	3.76 MB	View DL Edit
test_structures.py	32.01 MB	View DL Edit
test_struct_fields.py	4.23 MB	View DL Edit
test_unaligned_structures.py	1.33 MB	View DL Edit
test_unicode.py	1.97 MB	View DL Edit
test_unions.py	1.4 MB	View DL Edit
test_values.py	4.1 MB	View DL Edit
test_varsize_struct.py	1.83 MB	View DL Edit
test_win32.py	5.62 MB	View DL Edit
test_win32_com_foreign_func.py	8.97 MB	View DL Edit
test_wintypes.py	2.06 MB	View DL Edit
_support.py	593 B	View DL Edit
__init__.py	262 B	View DL Edit
__main__.py	73 B	View DL Edit

Edit file: /opt/alt/python313/lib64/python3.13/test/test_ctypes/test_stringptr.py

import sys
import unittest
from test import support
from ctypes import (CDLL, Structure, POINTER, create_string_buffer,
                    c_char, c_char_p)
from test.support import import_helper
_ctypes_test = import_helper.import_module("_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 = create_string_buffer(b"Hello, World")
        self.assertEqual(sys.getrefcount(b), 2)
        x.str = b
        self.assertEqual(sys.getrefcount(b), 3)

# POINTER(c_char) and Python string is NOT compatible
        # POINTER(c_char) and create_string_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 create_string_buffer is NOT compatible
        self.assertEqual(x.str, None)
        x.str = b"Hello, World"
        self.assertEqual(x.str, b"Hello, World")
        b = create_string_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 create_string_buffer are now compatible
        strchr.argtypes = c_char_p, c_char
        self.assertEqual(strchr(b"abcdef", b"c"), b"cdef")
        self.assertEqual(strchr(create_string_buffer(b"abcdef"), b"c"),
                         b"cdef")

# POINTER(c_char) and Python string is NOT compatible
        # POINTER(c_char) and create_string_buffer() is compatible
        strchr.argtypes = POINTER(c_char), c_char
        buf = create_string_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 = create_string_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()

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