text: "Test statusbar, coverage 100%."
  
  from idlelib import statusbar
  import unittest
  from test.support import requires
  from tkinter import Tk
  
  
  class Test(unittest.TestCase):
  
      @classmethod
      def setUpClass(cls):
          requires('gui')
          cls.root = Tk()
          cls.root.withdraw()
  
      @classmethod
      def tearDownClass(cls):
          cls.root.update_idletasks()
          cls.root.destroy()
          del cls.root
  
      def test_init(self):
          bar = statusbar.MultiStatusBar(self.root)
          self.assertEqual(bar.labels, {})
  
      def test_set_label(self):
          bar = statusbar.MultiStatusBar(self.root)
          bar.set_label('left', text='sometext', width=10)
          self.assertIn('left', bar.labels)
          left = bar.labels['left']
          self.assertEqual(left['text'], 'sometext')
          self.assertEqual(left['width'], 10)
          bar.set_label('left', text='revised text')
          self.assertEqual(left['text'], 'revised text')
          bar.set_label('right', text='correct text')
          self.assertEqual(bar.labels['right']['text'], 'correct text')
  
  
  if __name__ == '__main__':
      unittest.main(verbosity=2)
  