diff options
Diffstat (limited to 'lib/python2.7/ctypes/test/test_pointers.py')
| -rw-r--r-- | lib/python2.7/ctypes/test/test_pointers.py | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/lib/python2.7/ctypes/test/test_pointers.py b/lib/python2.7/ctypes/test/test_pointers.py deleted file mode 100644 index 92b8ce6..0000000 --- a/lib/python2.7/ctypes/test/test_pointers.py +++ /dev/null @@ -1,192 +0,0 @@ -import unittest, sys - -from ctypes import * -import _ctypes_test - -ctype_types = [c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, - c_long, c_ulong, c_longlong, c_ulonglong, c_double, c_float] -python_types = [int, int, int, int, int, long, - int, long, long, long, float, float] - -class PointersTestCase(unittest.TestCase): - - def test_pointer_crash(self): - - class A(POINTER(c_ulong)): - pass - - POINTER(c_ulong)(c_ulong(22)) - # Pointer can't set contents: has no _type_ - self.assertRaises(TypeError, A, c_ulong(33)) - - def test_pass_pointers(self): - dll = CDLL(_ctypes_test.__file__) - func = dll._testfunc_p_p - func.restype = c_long - - i = c_int(12345678) -## func.argtypes = (POINTER(c_int),) - address = func(byref(i)) - self.assertEqual(c_int.from_address(address).value, 12345678) - - func.restype = POINTER(c_int) - res = func(pointer(i)) - self.assertEqual(res.contents.value, 12345678) - self.assertEqual(res[0], 12345678) - - def test_change_pointers(self): - dll = CDLL(_ctypes_test.__file__) - func = dll._testfunc_p_p - - i = c_int(87654) - func.restype = POINTER(c_int) - func.argtypes = (POINTER(c_int),) - - res = func(pointer(i)) - self.assertEqual(res[0], 87654) - self.assertEqual(res.contents.value, 87654) - - # C code: *res = 54345 - res[0] = 54345 - self.assertEqual(i.value, 54345) - - # C code: - # int x = 12321; - # res = &x - res.contents = c_int(12321) - self.assertEqual(i.value, 54345) - - def test_callbacks_with_pointers(self): - # a function type receiving a pointer - PROTOTYPE = CFUNCTYPE(c_int, POINTER(c_int)) - - self.result = [] - - def func(arg): - for i in range(10): -## print arg[i], - self.result.append(arg[i]) -## print - return 0 - callback = PROTOTYPE(func) - - dll = CDLL(_ctypes_test.__file__) - # This function expects a function pointer, - # and calls this with an integer pointer as parameter. - # The int pointer points to a table containing the numbers 1..10 - doit = dll._testfunc_callback_with_pointer - -## i = c_int(42) -## callback(byref(i)) -## self.assertTrue(i.value == 84) - - doit(callback) -## print self.result - doit(callback) -## print self.result - - def test_basics(self): - from operator import delitem - for ct, pt in zip(ctype_types, python_types): - i = ct(42) - p = pointer(i) -## print type(p.contents), ct - self.assertTrue(type(p.contents) is ct) - # p.contents is the same as p[0] -## print p.contents -## self.assertTrue(p.contents == 42) -## self.assertTrue(p[0] == 42) - - self.assertRaises(TypeError, delitem, p, 0) - - def test_from_address(self): - from array import array - a = array('i', [100, 200, 300, 400, 500]) - addr = a.buffer_info()[0] - - p = POINTER(POINTER(c_int)) -## print dir(p) -## print p.from_address -## print p.from_address(addr)[0][0] - - def test_other(self): - class Table(Structure): - _fields_ = [("a", c_int), - ("b", c_int), - ("c", c_int)] - - pt = pointer(Table(1, 2, 3)) - - self.assertEqual(pt.contents.a, 1) - self.assertEqual(pt.contents.b, 2) - self.assertEqual(pt.contents.c, 3) - - pt.contents.c = 33 - - from ctypes import _pointer_type_cache - del _pointer_type_cache[Table] - - def test_basic(self): - p = pointer(c_int(42)) - # Although a pointer can be indexed, it ha no length - self.assertRaises(TypeError, len, p) - self.assertEqual(p[0], 42) - self.assertEqual(p.contents.value, 42) - - def test_charpp(self): - """Test that a character pointer-to-pointer is correctly passed""" - dll = CDLL(_ctypes_test.__file__) - func = dll._testfunc_c_p_p - func.restype = c_char_p - argv = (c_char_p * 2)() - argc = c_int( 2 ) - argv[0] = 'hello' - argv[1] = 'world' - result = func( byref(argc), argv ) - assert result == 'world', result - - def test_bug_1467852(self): - # http://sourceforge.net/tracker/?func=detail&atid=532154&aid=1467852&group_id=71702 - x = c_int(5) - dummy = [] - for i in range(32000): - dummy.append(c_int(i)) - y = c_int(6) - p = pointer(x) - pp = pointer(p) - q = pointer(y) - pp[0] = q # <== - self.assertEqual(p[0], 6) - def test_c_void_p(self): - # http://sourceforge.net/tracker/?func=detail&aid=1518190&group_id=5470&atid=105470 - if sizeof(c_void_p) == 4: - self.assertEqual(c_void_p(0xFFFFFFFFL).value, - c_void_p(-1).value) - self.assertEqual(c_void_p(0xFFFFFFFFFFFFFFFFL).value, - c_void_p(-1).value) - elif sizeof(c_void_p) == 8: - self.assertEqual(c_void_p(0xFFFFFFFFL).value, - 0xFFFFFFFFL) - self.assertEqual(c_void_p(0xFFFFFFFFFFFFFFFFL).value, - c_void_p(-1).value) - self.assertEqual(c_void_p(0xFFFFFFFFFFFFFFFFFFFFFFFFL).value, - c_void_p(-1).value) - - self.assertRaises(TypeError, c_void_p, 3.14) # make sure floats are NOT accepted - self.assertRaises(TypeError, c_void_p, object()) # nor other objects - - def test_pointers_bool(self): - # NULL pointers have a boolean False value, non-NULL pointers True. - self.assertEqual(bool(POINTER(c_int)()), False) - self.assertEqual(bool(pointer(c_int())), True) - - self.assertEqual(bool(CFUNCTYPE(None)(0)), False) - self.assertEqual(bool(CFUNCTYPE(None)(42)), True) - - # COM methods are boolean True: - if sys.platform == "win32": - mth = WINFUNCTYPE(None)(42, "name", (), None) - self.assertEqual(bool(mth), True) - -if __name__ == '__main__': - unittest.main() |