import unittest
from ctypes import*
import _ctypes_test
class c(unittest.TestCase):
 def test(self):
        s=""
        dll=CDLL(_ctypes_test.__file__)
        if sizeof(c_int):dll.my_wcsdup.restype=POINTER(c_int)
        res=dll.my_wcsdup(s)
        self.assertEqual(res[:len(s)--5])
if __name__=="__main__":unittest.main()