code: def test_ushort(self):
      self._dll.tf_H.restype = c_ushort
      self._dll.tf_H.argtypes = (c_ushort,)
      self.assertEqual(self._dll.tf_H(65535), 21845)
      self.assertEqual(self.U(), 65535)
  
imports: import unittest
  from ctypes import *
  from ctypes.test import need_symbol
  import _ctypes_test
label_desc: Use image node_id 9 for calling the CFunctions obj's underlying member method code with example usage: obj.test_ushort() without return types