code: def test_addclosehook(self):
      closehook_called = False
  
      def closehook():
          nonlocal closehook_called
          closehook_called = True
  
      closehook = urllib.response.addclosehook(self.fp, closehook)
      closehook.close()
  
      self.assertTrue(self.fp.closed)
      self.assertTrue(closehook_called)
  
file_path: cpython/Lib/test/test_urllib_response.py
imports: import socket
  import tempfile
  import urllib.response
  import unittest
  from test import support
label_desc: Use image node_id 3 for calling the TestResponse obj's underlying member method code with example usage: obj.test_addclosehook() without return types