code: def test_state_methods_with_non_buffer_state(self):
      # iso2022_jp stores state without using a buffer
      encoder = codecs.getincrementalencoder("iso2022_jp")()
  
      self.assertEqual(encoder.encode("z"), b"z")
      en_state = encoder.getstate()
  
      self.assertEqual(
          encoder.encode("\u3042"), b"\x1b\x24\x42\x24\x22"
      )
      jp_state = encoder.getstate()
      self.assertEqual(encoder.encode("z"), b"\x1b\x28\x42z")
  
      encoder.setstate(jp_state)
      self.assertEqual(encoder.encode("\u3042"), b"\x24\x22")
  
      encoder.setstate(en_state)
      self.assertEqual(encoder.encode("z"), b"z")
  
imports: import _multibytecodec
  import codecs
  import io
  import sys
  import textwrap
  import unittest
  from test import support
  from test.support import os_helper
  from test.support.os_helper import TESTFN
label_desc: Use image node_id 5 for calling the Test_IncrementalEncoder obj's underlying member method code with example usage: obj.test_state_methods_with_non_buffer_state() without return types