def test0_check_sort(self):
res = list(sort([1], [2, 3], [4, 5]))
ass = [1, 2, 3, 4, 5]
self.assertEqual(res, ass)
def test5_check_sort(self):
res = list(sort([], [], [4]))
ass = [4]
self.assertEqual(res, ass)
def test3_check_sort(self):
res = list(sort([1], [1, 1], [1, 5]))
ass = [1, 1, 1, 1, 5]
self.assertEqual(res, ass)
def test4_check_sort(self):
res = list(sort([5], [3, 5], [4, 5]))
ass = [3, 4, 5, 5, 5]
self.assertEqual(res, ass)
def test2_check_sort(self):
res = list(sort([1000], [3, 2.2], [-1]))
ass = [-1, 2.2, 3, 1000]
self.assertEqual(res, ass)