code: def testErrors(self):
      f = self.f
      self.assertEqual(f.name, TESTFN)
      self.assertFalse(f.isatty())
      self.assertFalse(f.closed)
  
      if hasattr(f, "readinto"):
          self.assertRaises((OSError, TypeError), f.readinto, "")
      f.close()
      self.assertTrue(f.closed)
  
imports: import sys
  import os
  import unittest
  from array import array
  from weakref import proxy
  import io
  import _pyio
  from test.support import gc_collect
  from test.support.os_helper import TESTFN
  from test.support import os_helper
  from test.support import warnings_helper
  from collections import UserList
label_desc: Use image node_id 11 for calling the AutoFileTests obj's underlying member method code with example usage: obj.testErrors() without return types