def METHOD_NAME(self):
    # test the getter method get_saved
    # test the setter method set_saved
    # indirectly test check_saved
    d = self.delegator
    self.assertTrue(d.get_saved())
    self.text.insert('insert', 'a')
    self.assertFalse(d.get_saved())
    d.saved_change_hook = Mock()
    d.set_saved(True)
    self.assertEqual(d.pointer, d.saved)
    self.assertTrue(d.saved_change_hook.called)
    d.set_saved(False)
    self.assertEqual(d.saved, -1)
    self.assertTrue(d.saved_change_hook.called)