import pytest

from src.modules.exercises.essentials import *

def test_subarray_sum():
	input = [2,3,-8,7,-1,2,3]
	result = maximum_subarray_sum(input)
	expected = [11, [7, -1, 2, 3]]
	assert result == expected
	input = [-2,-4]
	result = maximum_subarray_sum(input)
	expected = [-2, [-2]]
	assert result == expected
	input = [5,4,1,7,8]
	result = maximum_subarray_sum(input)
	expected = [25, [5,4,1,7,8]]
	assert result == expected