def test_getLastItem(self):
     items = self.book.objectValues()[:]
     items.reverse()
     lastItem = items[0]
     adapter = INextPreviousProvider(self.book)
     self.assertEqual(
         lastItem, adapter.getLastItem(), 'Incorrect last item')
 def test_isLastItem(self):
     items = self.book.objectValues()[:]
     items.reverse()
     lastItem = items[0]
     adapter = INextPreviousProvider(self.book)
     self.assertEqual(
         lastItem, adapter.getLastItem(), 'Last item check failed.')