File Manager

003 File Manager

Current Path: /usr/local/lib/python3.8/ctypes/test

usr / local / lib / python3.8 / ctypes / test /

📁 ..
📄 __init__.py(399 B)
📄 __main__.py(68 B)
📁 __pycache__
📄 test_anon.py(2.48 KB)
📄 test_array_in_pointer.py(1.7 KB)
📄 test_arrays.py(7.33 KB)
📄 test_as_parameter.py(6.76 KB)
📄 test_bitfields.py(9.98 KB)
📄 test_buffers.py(2.55 KB)
📄 test_bytes.py(1.94 KB)
📄 test_byteswap.py(11.14 KB)
📄 test_callbacks.py(10.33 KB)
📄 test_cast.py(3.64 KB)
📄 test_cfuncs.py(7.5 KB)
📄 test_checkretval.py(968 B)
📄 test_delattr.py(533 B)
📄 test_errno.py(2.12 KB)
📄 test_find.py(4.33 KB)
📄 test_frombuffer.py(5.09 KB)
📄 test_funcptr.py(3.93 KB)
📄 test_functions.py(12.26 KB)
📄 test_incomplete.py(1023 B)
📄 test_init.py(1.01 KB)
📄 test_internals.py(2.57 KB)
📄 test_keeprefs.py(3.96 KB)
📄 test_libc.py(1005 B)
📄 test_loading.py(6.91 KB)
📄 test_macholib.py(2.07 KB)
📄 test_memfunctions.py(3.22 KB)
📄 test_numbers.py(9.3 KB)
📄 test_objects.py(1.64 KB)
📄 test_parameters.py(9.35 KB)
📄 test_pep3118.py(8.32 KB)
📄 test_pickling.py(2.17 KB)
📄 test_pointers.py(7.07 KB)
📄 test_prototypes.py(6.68 KB)
📄 test_python_api.py(2.8 KB)
📄 test_random_things.py(2.77 KB)
📄 test_refcounts.py(2.52 KB)
📄 test_repr.py(842 B)
📄 test_returnfuncptrs.py(2.83 KB)
📄 test_simplesubclasses.py(1.26 KB)
📄 test_sizes.py(804 B)
📄 test_slicing.py(5.88 KB)
📄 test_stringptr.py(2.48 KB)
📄 test_strings.py(7.13 KB)
📄 test_struct_fields.py(2.36 KB)
📄 test_structures.py(26.57 KB)
📄 test_unaligned_structures.py(1.11 KB)
📄 test_unicode.py(1.95 KB)
📄 test_values.py(3.78 KB)
📄 test_varsize_struct.py(1.8 KB)
📄 test_win32.py(4.91 KB)
📄 test_wintypes.py(1.36 KB)

Editing: 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()

003 File Manager

Editing: test_funcptr.py

Upload File

Create Folder