def test_prime_numbers_prefix_reduce(self):
size = 12
stream = self.stream(size)
number_list = prefix_reduce(sum, stream)
expected = [5, 10, 17, 28]
self.assertEquals(number_list, expected)
def test_random_numbers_prefix_reduce(self):
size = 5
stream = self.stream(size)
number_list = prefix_reduce(sum, stream)
self.assertEquals(len(number_list), size - 1)
