if ARGV[0] == "2"
  require_relative "impl_2"
  RESULT = 467835
else
  require_relative "impl"
  RESULT = 4361
end


INPUT = <<~IN
467..114..
...*......
..35..633.
......#...
617*......
.....+.58.
..592.....
......755.
...$.*....
.664.598..
IN

def test_example
  parsed = parse(INPUT)
  result = calculate(parsed)

  if result == RESULT
    puts "Test successful. Now run with real input"
    puts "ruby day_3/run.rb #{ARGV[0]}"
  else
    puts "Test failed"
    puts "expected \"#{RESULT}\" got \"#{result}\""
  end
end

test_example