code: def test_getint(self):
      tcl = self.interp.tk
      for i in self.get_integers():
          self.assertEqual(tcl.getint(" %d " % i), i)
          self.assertEqual(tcl.getint(" %#o " % i), i)
          # Numbers starting with 0 are parsed as decimal in Tcl 9.0
          # and as octal in older versions.
          self.assertEqual(
              tcl.getint((" %#o " % i).replace("o", "")),
              i if tcl_version < (9, 0) else int("%o" % i),
          )
          self.assertEqual(tcl.getint(" %#x " % i), i)
      self.assertEqual(tcl.getint(42), 42)
      self.assertRaises(TypeError, tcl.getint)
      self.assertRaises(TypeError, tcl.getint, "42", "10")
      self.assertRaises(TypeError, tcl.getint, b"42")
      self.assertRaises(TypeError, tcl.getint, 42.0)
      self.assertRaises(TclError, tcl.getint, "a")
      self.assertRaises(
          (TypeError, ValueError, TclError), tcl.getint, "42\0"
      )
      self.assertRaises(
          (UnicodeEncodeError, ValueError, TclError),
          tcl.getint,
          "42\ud800",
      )
  
imports: import unittest
  import subprocess
  import sys
  import os
  from test import support
  from test.support import import_helper
  from test.support import os_helper
  import tkinter
  from tkinter import Tcl
  from _tkinter import TclError
label_desc: Use image node_id 20 for calling the TclTest obj's underlying member method code with example usage: obj.test_getint() without return types