Golden Age problem

golden_age.rb

def golden_age array
  start = 0
  end_index = 0
  max_sum = 0
  largest = 0
  sub_arr = array.dup
  return_array = []

  array.each_with_index do |num, ind|
    start = ind
    sub_arr.shift
    sum = num

    sub_arr.each_with_index do |num1, ind1|
      sum = sum + num1

      if sum > max_sum
        max_sum = sum
        end_index = ind1 + ind + 1
      end
    end
    if max_sum > largest
      largest = max_sum
      return_array = [start, end_index]
    end
  end

  return_array
end

arr = [5, 3, -5, 1, 19, 2, -4]
arr2 = [100, -101, 200, -3, 1000]



puts golden_age(arr) == [0,5]
puts golden_age(arr2) == [2, 4]
p golden_age arr
p golden_age arr2