diff options
Diffstat (limited to 'lib/python2.7/ctypes/test/test_funcptr.py')
-rw-r--r-- | lib/python2.7/ctypes/test/test_funcptr.py | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/lib/python2.7/ctypes/test/test_funcptr.py b/lib/python2.7/ctypes/test/test_funcptr.py deleted file mode 100644 index 99af5ed..0000000 --- a/lib/python2.7/ctypes/test/test_funcptr.py +++ /dev/null @@ -1,127 +0,0 @@ -import os, 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 and os.name != "ce": - 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.assertTrue(WNDPROC is 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("abcdefghi", "b"), "bcdefghi") - self.assertEqual(strchr("abcdefghi", "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 = "a\nb\nc" - b = c_string(s) - -## b = (c_char * (len(s)+1))() -## b.value = s - -## b = c_string(s) - self.assertEqual(strtok(b, "\n"), "a") - self.assertEqual(strtok(None, "\n"), "b") - self.assertEqual(strtok(None, "\n"), "c") - self.assertEqual(strtok(None, "\n"), None) - -if __name__ == '__main__': - unittest.main() |