code: def test_ulonglong_plus(self):
      self._dll.tf_bQ.restype = c_ulonglong
      self._dll.tf_bQ.argtypes = (c_byte, c_ulonglong)
      self.assertEqual(
          self._dll.tf_bQ(0, 18446744073709551615), 6148914691236517205
      )
      self.assertEqual(self.U(), 18446744073709551615)
  
imports: import _ctypes_test
  import ctypes
  import unittest
  from ctypes import CDLL, c_byte, c_ubyte, c_char, c_short, c_ushort, c_int, c_uint, c_long, c_ulong, c_longlong, c_ulonglong, c_float, c_double, c_longdouble
label_desc: Use image node_id 22 for calling the CFunctions obj's underlying member method code with example usage: obj.test_ulonglong_plus() without return types