def test_cast(self):
c_int = ctypes.c_int()
c_uint = ctypes.c_uint()
for v in (0, 1, sys.maxsize, sys.maxsize+2, 1<<31, -1, -10):
c_int.value = v
c_uint.value = v
self.assertEqual(c_int.value, TestSupport.cast_int(v))
self.assertEqual(c_uint.value, TestSupport.cast_uint(v))
c_longlong = ctypes.c_longlong()
c_ulonglong = ctypes.c_ulonglong()
for v in (0, 1, sys.maxsize, sys.maxsize+2, 1<<63, -1, -10):
c_longlong.value = v
c_ulonglong.value = v
self.assertEqual(c_longlong.value, TestSupport.cast_longlong(v))
self.assertEqual(c_ulonglong.value, TestSupport.cast_ulonglong(v))
