code: def test_c_wchar_p(self):
      c_wchar_p("foo bar")
      self.assertRaises(TypeError, c_wchar_p, b"foo bar")
  
file_path: cpython/Lib/test/test_ctypes/test_bytes.py
imports: import sys
  import unittest
  from _ctypes import _SimpleCData
  from ctypes import Structure, c_char, c_char_p, c_wchar, c_wchar_p
label_desc: Use image node_id 4 for calling the BytesTest obj's underlying member method code with example usage: obj.test_c_wchar_p() without return types