text: # test errors from bad operations (unary, binary, etc)
  
  def test_exc(code, exc):
      try:
          exec(code)
          print("FAIL")
          raise SystemExit
      except exc:
          pass
  
  # object with buffer protocol needed on rhs
  try:
      (1 << 70) in 1
      print("FAIL")
      raise SystemExit
  except TypeError:
      print("PASS")
  