code: def test_setstate_validates_input(self):
      decoder = codecs.getincrementaldecoder("euc_jp")()
      self.assertRaises(TypeError, decoder.setstate, 123)
      self.assertRaises(TypeError, decoder.setstate, ("invalid", 0))
      self.assertRaises(
          TypeError, decoder.setstate, (b"1234", "invalid")
      )
      self.assertRaises(
          UnicodeError, decoder.setstate, (b"123456789", 0)
      )
  
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 6 for calling the Test_IncrementalDecoder obj's underlying member method code with example usage: obj.test_setstate_validates_input() without return types