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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-05-01 04:20
__init__.py	6.98 KB	-rw-r--r--	2024-04-17 20:28
runtests.py	682 B	-rw-r--r--	2024-04-17 20:28
test_anon.py	2 KB	-rw-r--r--	2024-04-17 20:28
test_array_in_pointer.py	1.7 KB	-rw-r--r--	2024-04-17 20:28
test_arrays.py	5.54 KB	-rw-r--r--	2024-04-17 20:28
test_as_parameter.py	6.63 KB	-rw-r--r--	2024-04-17 20:28
test_bitfields.py	9.08 KB	-rw-r--r--	2024-04-17 20:28
test_buffers.py	2.18 KB	-rw-r--r--	2024-04-17 20:28
test_bytes.py	1.16 KB	-rw-r--r--	2024-04-17 20:28
test_byteswap.py	10.57 KB	-rw-r--r--	2024-04-17 20:28
test_callbacks.py	8.77 KB	-rw-r--r--	2024-04-17 20:28
test_cast.py	3.13 KB	-rw-r--r--	2024-04-17 20:28
test_cfuncs.py	7.44 KB	-rw-r--r--	2024-04-17 20:28
test_checkretval.py	995 B	-rw-r--r--	2024-04-17 20:28
test_delattr.py	533 B	-rw-r--r--	2024-04-17 20:28
test_errcheck.py	477 B	-rw-r--r--	2024-04-17 20:28
test_errno.py	2.25 KB	-rw-r--r--	2024-04-17 20:28
test_find.py	2.41 KB	-rw-r--r--	2024-04-17 20:28
test_frombuffer.py	2.42 KB	-rw-r--r--	2024-04-17 20:28
test_funcptr.py	3.82 KB	-rw-r--r--	2024-04-17 20:28
test_functions.py	12.35 KB	-rw-r--r--	2024-04-17 20:28
test_incomplete.py	1023 B	-rw-r--r--	2024-04-17 20:28
test_init.py	1.01 KB	-rw-r--r--	2024-04-17 20:28
test_integers.py	96 B	-rw-r--r--	2024-04-17 20:28
test_internals.py	2.56 KB	-rw-r--r--	2024-04-17 20:28
test_keeprefs.py	3.93 KB	-rw-r--r--	2024-04-17 20:28
test_libc.py	1005 B	-rw-r--r--	2024-04-17 20:28
test_loading.py	4 KB	-rw-r--r--	2024-04-17 20:28
test_macholib.py	1.56 KB	-rw-r--r--	2024-04-17 20:28
test_memfunctions.py	3.24 KB	-rw-r--r--	2024-04-17 20:28
test_numbers.py	9 KB	-rw-r--r--	2024-04-17 20:28
test_objects.py	1.72 KB	-rw-r--r--	2024-04-17 20:28
test_parameters.py	6.16 KB	-rw-r--r--	2024-04-17 20:28
test_pep3118.py	7.35 KB	-rw-r--r--	2024-04-17 20:28
test_pickling.py	2.15 KB	-rw-r--r--	2024-04-17 20:28
test_pointers.py	6.12 KB	-rw-r--r--	2024-04-17 20:28
test_prototypes.py	6.63 KB	-rw-r--r--	2024-04-17 20:28
test_python_api.py	3.07 KB	-rw-r--r--	2024-04-17 20:28
test_random_things.py	2.77 KB	-rw-r--r--	2024-04-17 20:28
test_refcounts.py	2.52 KB	-rw-r--r--	2024-04-17 20:28
test_repr.py	842 B	-rw-r--r--	2024-04-17 20:28
test_returnfuncptrs.py	2.83 KB	-rw-r--r--	2024-04-17 20:28
test_simplesubclasses.py	1.26 KB	-rw-r--r--	2024-04-17 20:28
test_sizes.py	815 B	-rw-r--r--	2024-04-17 20:28
test_slicing.py	5.95 KB	-rw-r--r--	2024-04-17 20:28
test_stringptr.py	2.48 KB	-rw-r--r--	2024-04-17 20:28
test_strings.py	6.94 KB	-rw-r--r--	2024-04-17 20:28
test_struct_fields.py	1.47 KB	-rw-r--r--	2024-04-17 20:28
test_structures.py	15.43 KB	-rw-r--r--	2024-04-17 20:28
test_unaligned_structures.py	1.19 KB	-rw-r--r--	2024-04-17 20:28
test_unicode.py	1.87 KB	-rw-r--r--	2024-04-17 20:28
test_values.py	3.43 KB	-rw-r--r--	2024-04-17 20:28
test_varsize_struct.py	1.8 KB	-rw-r--r--	2024-04-17 20:28
test_win32.py	3.96 KB	-rw-r--r--	2024-04-17 20:28
test_wintypes.py	1.44 KB	-rw-r--r--	2024-04-17 20:28

Rename

from ctypes import *
import unittest
import sys

class Test(unittest.TestCase):

def test_array2pointer(self):
        array = (c_int * 3)(42, 17, 2)

# casting an array to a pointer works.
        ptr = cast(array, POINTER(c_int))
        self.assertEqual([ptr[i] for i in range(3)], [42, 17, 2])

if 2*sizeof(c_short) == sizeof(c_int):
            ptr = cast(array, POINTER(c_short))
            if sys.byteorder == "little":
                self.assertEqual([ptr[i] for i in range(6)],
                                     [42, 0, 17, 0, 2, 0])
            else:
                self.assertEqual([ptr[i] for i in range(6)],
                                     [0, 42, 0, 17, 0, 2])

def test_address2pointer(self):
        array = (c_int * 3)(42, 17, 2)

address = addressof(array)
        ptr = cast(c_void_p(address), POINTER(c_int))
        self.assertEqual([ptr[i] for i in range(3)], [42, 17, 2])

ptr = cast(address, POINTER(c_int))
        self.assertEqual([ptr[i] for i in range(3)], [42, 17, 2])

def test_p2a_objects(self):
        array = (c_char_p * 5)()
        self.assertEqual(array._objects, None)
        array[0] = b"foo bar"
        self.assertEqual(array._objects, {'0': b"foo bar"})

p = cast(array, POINTER(c_char_p))
        # array and p share a common _objects attribute
        self.assertIs(p._objects, array._objects)
        self.assertEqual(array._objects, {'0': b"foo bar", id(array): array})
        p[0] = b"spam spam"
        self.assertEqual(p._objects, {'0': b"spam spam", id(array): array})
        self.assertIs(array._objects, p._objects)
        p[1] = b"foo bar"
        self.assertEqual(p._objects, {'1': b'foo bar', '0': b"spam spam", id(array): array})
        self.assertIs(array._objects, p._objects)

def test_other(self):
        p = cast((c_int * 4)(1, 2, 3, 4), POINTER(c_int))
        self.assertEqual(p[:4], [1,2, 3, 4])
        self.assertEqual(p[:4:], [1, 2, 3, 4])
        self.assertEqual(p[3:-1:-1], [4, 3, 2, 1])
        self.assertEqual(p[:4:3], [1, 4])
        c_int()
        self.assertEqual(p[:4], [1, 2, 3, 4])
        self.assertEqual(p[:4:], [1, 2, 3, 4])
        self.assertEqual(p[3:-1:-1], [4, 3, 2, 1])
        self.assertEqual(p[:4:3], [1, 4])
        p[2] = 96
        self.assertEqual(p[:4], [1, 2, 96, 4])
        self.assertEqual(p[:4:], [1, 2, 96, 4])
        self.assertEqual(p[3:-1:-1], [4, 96, 2, 1])
        self.assertEqual(p[:4:3], [1, 4])
        c_int()
        self.assertEqual(p[:4], [1, 2, 96, 4])
        self.assertEqual(p[:4:], [1, 2, 96, 4])
        self.assertEqual(p[3:-1:-1], [4, 96, 2, 1])
        self.assertEqual(p[:4:3], [1, 4])

def test_char_p(self):
        # This didn't work: bad argument to internal function
        s = c_char_p(b"hiho")
        self.assertEqual(cast(cast(s, c_void_p), c_char_p).value,
                             b"hiho")

try:
        c_wchar_p
    except NameError:
        pass
    else:
        def test_wchar_p(self):
            s = c_wchar_p("hiho")
            self.assertEqual(cast(cast(s, c_void_p), c_wchar_p).value,
                                 "hiho")

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