diff options
Diffstat (limited to 'lib/python2.7/ctypes/test/test_as_parameter.py')
| -rw-r--r-- | lib/python2.7/ctypes/test/test_as_parameter.py | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/lib/python2.7/ctypes/test/test_as_parameter.py b/lib/python2.7/ctypes/test/test_as_parameter.py deleted file mode 100644 index 0553e66..0000000 --- a/lib/python2.7/ctypes/test/test_as_parameter.py +++ /dev/null @@ -1,233 +0,0 @@ -import unittest -from ctypes import * -import _ctypes_test -import sys - -dll = CDLL(_ctypes_test.__file__) - -try: - CALLBACK_FUNCTYPE = WINFUNCTYPE -except NameError: - # fake to enable this test on Linux - CALLBACK_FUNCTYPE = CFUNCTYPE - -class POINT(Structure): - _fields_ = [("x", c_int), ("y", c_int)] - -class BasicWrapTestCase(unittest.TestCase): - def wrap(self, param): - return param - - def test_wchar_parm(self): - try: - c_wchar - except NameError: - return - f = dll._testfunc_i_bhilfd - f.argtypes = [c_byte, c_wchar, c_int, c_long, c_float, c_double] - result = f(self.wrap(1), self.wrap(u"x"), self.wrap(3), self.wrap(4), self.wrap(5.0), self.wrap(6.0)) - self.assertEqual(result, 139) - self.assertTrue(type(result), int) - - def test_pointers(self): - f = dll._testfunc_p_p - f.restype = POINTER(c_int) - f.argtypes = [POINTER(c_int)] - - # This only works if the value c_int(42) passed to the - # function is still alive while the pointer (the result) is - # used. - - v = c_int(42) - - self.assertEqual(pointer(v).contents.value, 42) - result = f(self.wrap(pointer(v))) - self.assertEqual(type(result), POINTER(c_int)) - self.assertEqual(result.contents.value, 42) - - # This on works... - result = f(self.wrap(pointer(v))) - self.assertEqual(result.contents.value, v.value) - - p = pointer(c_int(99)) - result = f(self.wrap(p)) - self.assertEqual(result.contents.value, 99) - - def test_shorts(self): - f = dll._testfunc_callback_i_if - - args = [] - expected = [262144, 131072, 65536, 32768, 16384, 8192, 4096, 2048, - 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1] - - def callback(v): - args.append(v) - return v - - CallBack = CFUNCTYPE(c_int, c_int) - - cb = CallBack(callback) - f(self.wrap(2**18), self.wrap(cb)) - self.assertEqual(args, expected) - - ################################################################ - - def test_callbacks(self): - f = dll._testfunc_callback_i_if - f.restype = c_int - f.argtypes = None - - MyCallback = CFUNCTYPE(c_int, c_int) - - def callback(value): - #print "called back with", value - return value - - cb = MyCallback(callback) - - result = f(self.wrap(-10), self.wrap(cb)) - self.assertEqual(result, -18) - - # test with prototype - f.argtypes = [c_int, MyCallback] - cb = MyCallback(callback) - - result = f(self.wrap(-10), self.wrap(cb)) - self.assertEqual(result, -18) - - result = f(self.wrap(-10), self.wrap(cb)) - self.assertEqual(result, -18) - - AnotherCallback = CALLBACK_FUNCTYPE(c_int, c_int, c_int, c_int, c_int) - - # check that the prototype works: we call f with wrong - # argument types - cb = AnotherCallback(callback) - self.assertRaises(ArgumentError, f, self.wrap(-10), self.wrap(cb)) - - def test_callbacks_2(self): - # Can also use simple datatypes as argument type specifiers - # for the callback function. - # In this case the call receives an instance of that type - f = dll._testfunc_callback_i_if - f.restype = c_int - - MyCallback = CFUNCTYPE(c_int, c_int) - - f.argtypes = [c_int, MyCallback] - - def callback(value): - #print "called back with", value - self.assertEqual(type(value), int) - return value - - cb = MyCallback(callback) - result = f(self.wrap(-10), self.wrap(cb)) - self.assertEqual(result, -18) - - def test_longlong_callbacks(self): - - f = dll._testfunc_callback_q_qf - f.restype = c_longlong - - MyCallback = CFUNCTYPE(c_longlong, c_longlong) - - f.argtypes = [c_longlong, MyCallback] - - def callback(value): - self.assertTrue(isinstance(value, (int, long))) - return value & 0x7FFFFFFF - - cb = MyCallback(callback) - - self.assertEqual(13577625587, int(f(self.wrap(1000000000000), self.wrap(cb)))) - - def test_byval(self): - # without prototype - ptin = POINT(1, 2) - ptout = POINT() - # EXPORT int _testfunc_byval(point in, point *pout) - result = dll._testfunc_byval(ptin, byref(ptout)) - got = result, ptout.x, ptout.y - expected = 3, 1, 2 - self.assertEqual(got, expected) - - # with prototype - ptin = POINT(101, 102) - ptout = POINT() - dll._testfunc_byval.argtypes = (POINT, POINTER(POINT)) - dll._testfunc_byval.restype = c_int - result = dll._testfunc_byval(self.wrap(ptin), byref(ptout)) - got = result, ptout.x, ptout.y - expected = 203, 101, 102 - self.assertEqual(got, expected) - - def test_struct_return_2H(self): - class S2H(Structure): - _fields_ = [("x", c_short), - ("y", c_short)] - dll.ret_2h_func.restype = S2H - dll.ret_2h_func.argtypes = [S2H] - inp = S2H(99, 88) - s2h = dll.ret_2h_func(self.wrap(inp)) - self.assertEqual((s2h.x, s2h.y), (99*2, 88*3)) - - # This is known cdecl incompatibility between GCC - # and MSVC. It is addressed in GCC issue #36834. - # Python libffi detect it and complain. - @unittest.skipIf(sys.platform == "win32" and sys.version.find("GCC") >= 0, 'XFAIL GCC(mingw)') - def test_struct_return_8H(self): - class S8I(Structure): - _fields_ = [("a", c_int), - ("b", c_int), - ("c", c_int), - ("d", c_int), - ("e", c_int), - ("f", c_int), - ("g", c_int), - ("h", c_int)] - dll.ret_8i_func.restype = S8I - dll.ret_8i_func.argtypes = [S8I] - inp = S8I(9, 8, 7, 6, 5, 4, 3, 2) - s8i = dll.ret_8i_func(self.wrap(inp)) - self.assertEqual((s8i.a, s8i.b, s8i.c, s8i.d, s8i.e, s8i.f, s8i.g, s8i.h), - (9*2, 8*3, 7*4, 6*5, 5*6, 4*7, 3*8, 2*9)) - - def test_recursive_as_param(self): - from ctypes import c_int - - class A(object): - pass - - a = A() - a._as_parameter_ = a - with self.assertRaises(RuntimeError): - c_int.from_param(a) - - -#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -class AsParamWrapper(object): - def __init__(self, param): - self._as_parameter_ = param - -class AsParamWrapperTestCase(BasicWrapTestCase): - wrap = AsParamWrapper - -#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -class AsParamPropertyWrapper(object): - def __init__(self, param): - self._param = param - - def getParameter(self): - return self._param - _as_parameter_ = property(getParameter) - -class AsParamPropertyWrapperTestCase(BasicWrapTestCase): - wrap = AsParamPropertyWrapper - -#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -if __name__ == '__main__': - unittest.main() |