code: def test_wchar(self):
      self.dumps(c_char(b"x"))
      # Issue 5049
      self.dumps(c_wchar("x"))
  
file_path: cpython/Lib/test/test_ctypes/test_pickling.py
imports: import _ctypes_test
  import pickle
  import unittest
  from ctypes import CDLL, Structure, CFUNCTYPE, pointer, c_void_p, c_char_p, c_wchar_p, c_char, c_wchar, c_int, c_double
label_desc: Use image node_id 6 for calling the PickleTest obj's underlying member method code with example usage: obj.test_wchar() without return types