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Name	Size	Permission
__pycache__	[ DIR ]	drwxrwxrwx
__init__.py	461 B	-rw-rw-rw-
__main__.py	72 B	-rw-rw-rw-
test_anon.py	2.55 KB	-rw-rw-rw-
test_array_in_pointer.py	1.76 KB	-rw-rw-rw-
test_arrays.py	7.56 KB	-rw-rw-rw-
test_as_parameter.py	6.98 KB	-rw-rw-rw-
test_bitfields.py	10.4 KB	-rw-rw-rw-
test_buffers.py	2.62 KB	-rw-rw-rw-
test_bytes.py	2 KB	-rw-rw-rw-
test_byteswap.py	11.45 KB	-rw-rw-rw-
test_callbacks.py	10.64 KB	-rw-rw-rw-
test_cast.py	3.74 KB	-rw-rw-rw-
test_cfuncs.py	7.71 KB	-rw-rw-rw-
test_checkretval.py	1004 B	-rw-rw-rw-
test_delattr.py	554 B	-rw-rw-rw-
test_errno.py	2.19 KB	-rw-rw-rw-
test_find.py	4.48 KB	-rw-rw-rw-
test_frombuffer.py	5.23 KB	-rw-rw-rw-
test_funcptr.py	4.06 KB	-rw-rw-rw-
test_functions.py	12.59 KB	-rw-rw-rw-
test_incomplete.py	1.04 KB	-rw-rw-rw-
test_init.py	1.05 KB	-rw-rw-rw-
test_internals.py	2.67 KB	-rw-rw-rw-
test_keeprefs.py	4.11 KB	-rw-rw-rw-
test_libc.py	1.01 KB	-rw-rw-rw-
test_loading.py	7.15 KB	-rw-rw-rw-
test_macholib.py	2.14 KB	-rw-rw-rw-
test_memfunctions.py	3.29 KB	-rw-rw-rw-
test_numbers.py	9.54 KB	-rw-rw-rw-
test_objects.py	1.7 KB	-rw-rw-rw-
test_parameters.py	9.59 KB	-rw-rw-rw-
test_pep3118.py	8.54 KB	-rw-rw-rw-
test_pickling.py	2.25 KB	-rw-rw-rw-
test_pointers.py	7.29 KB	-rw-rw-rw-
test_prototypes.py	6.9 KB	-rw-rw-rw-
test_python_api.py	2.79 KB	-rw-rw-rw-
test_random_things.py	2.84 KB	-rw-rw-rw-
test_refcounts.py	2.61 KB	-rw-rw-rw-
test_repr.py	871 B	-rw-rw-rw-
test_returnfuncptrs.py	2.89 KB	-rw-rw-rw-
test_simplesubclasses.py	1.31 KB	-rw-rw-rw-
test_sizes.py	837 B	-rw-rw-rw-
test_slicing.py	6.05 KB	-rw-rw-rw-
test_stringptr.py	2.61 KB	-rw-rw-rw-
test_strings.py	7.36 KB	-rw-rw-rw-
test_struct_fields.py	2.64 KB	-rw-rw-rw-
test_structures.py	27.58 KB	-rw-rw-rw-
test_unaligned_structures.py	1.16 KB	-rw-rw-rw-
test_unicode.py	2.01 KB	-rw-rw-rw-
test_values.py	3.88 KB	-rw-rw-rw-
test_varsize_struct.py	1.85 KB	-rw-rw-rw-
test_win32.py	5.04 KB	-rw-rw-rw-
test_wintypes.py	1.41 KB	-rw-rw-rw-

Code Editor : test_funcptr.py

import unittest
from ctypes import *

try:
    WINFUNCTYPE
except NameError:
    # fake to enable this test on Linux
    WINFUNCTYPE = CFUNCTYPE

import _ctypes_test
lib = CDLL(_ctypes_test.__file__)

class CFuncPtrTestCase(unittest.TestCase):
    def test_basic(self):
        X = WINFUNCTYPE(c_int, c_int, c_int)

def func(*args):
            return len(args)

x = X(func)
        self.assertEqual(x.restype, c_int)
        self.assertEqual(x.argtypes, (c_int, c_int))
        self.assertEqual(sizeof(x), sizeof(c_voidp))
        self.assertEqual(sizeof(X), sizeof(c_voidp))

def test_first(self):
        StdCallback = WINFUNCTYPE(c_int, c_int, c_int)
        CdeclCallback = CFUNCTYPE(c_int, c_int, c_int)

def func(a, b):
            return a + b

s = StdCallback(func)
        c = CdeclCallback(func)

self.assertEqual(s(1, 2), 3)
        self.assertEqual(c(1, 2), 3)
        # The following no longer raises a TypeError - it is now
        # possible, as in C, to call cdecl functions with more parameters.
        #self.assertRaises(TypeError, c, 1, 2, 3)
        self.assertEqual(c(1, 2, 3, 4, 5, 6), 3)
        if not WINFUNCTYPE is CFUNCTYPE:
            self.assertRaises(TypeError, s, 1, 2, 3)

def test_structures(self):
        WNDPROC = WINFUNCTYPE(c_long, c_int, c_int, c_int, c_int)

def wndproc(hwnd, msg, wParam, lParam):
            return hwnd + msg + wParam + lParam

HINSTANCE = c_int
        HICON = c_int
        HCURSOR = c_int
        LPCTSTR = c_char_p

class WNDCLASS(Structure):
            _fields_ = [("style", c_uint),
                        ("lpfnWndProc", WNDPROC),
                        ("cbClsExtra", c_int),
                        ("cbWndExtra", c_int),
                        ("hInstance", HINSTANCE),
                        ("hIcon", HICON),
                        ("hCursor", HCURSOR),
                        ("lpszMenuName", LPCTSTR),
                        ("lpszClassName", LPCTSTR)]

wndclass = WNDCLASS()
        wndclass.lpfnWndProc = WNDPROC(wndproc)

WNDPROC_2 = WINFUNCTYPE(c_long, c_int, c_int, c_int, c_int)

# This is no longer true, now that WINFUNCTYPE caches created types internally.
        ## # CFuncPtr subclasses are compared by identity, so this raises a TypeError:
        ## self.assertRaises(TypeError, setattr, wndclass,
        ##                  "lpfnWndProc", WNDPROC_2(wndproc))
        # instead:

self.assertIs(WNDPROC, WNDPROC_2)
        # 'wndclass.lpfnWndProc' leaks 94 references.  Why?
        self.assertEqual(wndclass.lpfnWndProc(1, 2, 3, 4), 10)

f = wndclass.lpfnWndProc

del wndclass
        del wndproc

self.assertEqual(f(10, 11, 12, 13), 46)

def test_dllfunctions(self):

def NoNullHandle(value):
            if not value:
                raise WinError()
            return value

strchr = lib.my_strchr
        strchr.restype = c_char_p
        strchr.argtypes = (c_char_p, c_char)
        self.assertEqual(strchr(b"abcdefghi", b"b"), b"bcdefghi")
        self.assertEqual(strchr(b"abcdefghi", b"x"), None)

strtok = lib.my_strtok
        strtok.restype = c_char_p
        # Neither of this does work: strtok changes the buffer it is passed
##        strtok.argtypes = (c_char_p, c_char_p)
##        strtok.argtypes = (c_string, c_char_p)

def c_string(init):
            size = len(init) + 1
            return (c_char*size)(*init)

s = b"a\nb\nc"
        b = c_string(s)

##        b = (c_char * (len(s)+1))()
##        b.value = s

##        b = c_string(s)
        self.assertEqual(strtok(b, b"\n"), b"a")
        self.assertEqual(strtok(None, b"\n"), b"b")
        self.assertEqual(strtok(None, b"\n"), b"c")
        self.assertEqual(strtok(None, b"\n"), None)

def test_abstract(self):
        from ctypes import _CFuncPtr

self.assertRaises(TypeError, _CFuncPtr, 13, "name", 42, "iid")

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

${this.title}

Code Editor : test_funcptr.py