      def test_merge_sort(self):
          merge_sort = MergeSort()
  
          print('None input')
          assert_raises(TypeError, merge_sort.sort, None)
  
          print('Empty input')
          assert_equal(merge_sort.sort([]), [])
  
          print('One element')
 
</s> remove         assert_equal(merge_sort.sort([]), [])
 </s> add         self.assertEqual(merge_sort.sort([]), []) </s> remove         assert_raises(TypeError, quick_sort.sort, None)
 </s> add         self.assertRaises(TypeError, quick_sort.sort, None) </s> remove         assert_raises(TypeError, insertion_sort.sort, None)
 </s> add         self.assertRaises(TypeError, insertion_sort.sort, None) </s> remove         assert_raises(TypeError, func, None)
 </s> add         self.assertRaises(TypeError, func, None) </s> remove         assert_equal(insertion_sort.sort([]), [])
 </s> add         self.assertEqual(insertion_sort.sort([]), [])
        self.assertRaises(TypeError, merge_sort.sort, None)
      def test_merge_sort(self):
          merge_sort = MergeSort()
  
          print('None input')
        self.assertRaises(TypeError, merge_sort.sort, None)
  
          print('Empty input')
          assert_equal(merge_sort.sort([]), [])
  
          print('One element')
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for sorting_searching/ (#278) 
sorting_searching/merge_sort/test_merge_sort.py