def test_sort(self):
input = range(100)
random.shuffle(input)
output = merge_sort.sort(input)
self.assertEqual(range(100), output)
def test_sort_inverted_list(self):
input = range(100)
input.reverse()
output = merge_sort.sort(input)
self.assertEqual(range(100), output)
def test_sort_one_element_list(self):
input = range(1)
output = merge_sort.sort(input)
self.assertEqual(range(1), output)
def test_sort_two_elements_list(self):
input = range(2)
random.shuffle(input)
output = merge_sort.sort(input)
self.assertEqual(range(2), output)
def test_sort_empty_list(self):
input = range(0)
output = merge_sort.sort(input)
self.assertEqual(range(0), output)
