defmodule SolutionTest do
  use ExUnit.Case
  doctest Solution

  test "example 1" do
    assert Solution.max_area([1, 8, 6, 2, 5, 4, 8, 3, 7]) == 49
  end

  test "example 2" do
    assert Solution.max_area([1, 1]) == 1
  end

  test "large input" do
    length = Integer.pow(10, 7)
    input = Enum.map(1..length, fn _ -> :rand.uniform(10000) end)
    Solution.max_area(input)
  end
end