code: def test_data_received_after_closing(self):
      ssl_proto = self.ssl_protocol()
      self.connection_made(ssl_proto)
      transp = ssl_proto._app_transport
  
      transp.close()
  
      # should not raise
      self.assertIsNone(ssl_proto.buffer_updated(5))
  
imports: import logging
  import socket
  import unittest
  import weakref
  from test import support
  from test.support import socket_helper
  from unittest import mock
  import asyncio
  from asyncio import log
  from asyncio import protocols
  from asyncio import sslproto
  from test.test_asyncio import utils
  from test.test_asyncio import functional
label_desc: Use image node_id 13 for calling the SslProtoHandshakeTests obj's underlying member method code with example usage: obj.test_data_received_after_closing() without return types