public void increase_brightness_by_one()
 {
     var input = "turn on 0,0 through 0,0";
     var parsedInput = AOC_2015_Day06_Answer.ParseInstruction(input);
     var answer = AOC_2015_Day06_Answer.CalculateLitLights2(new[] { parsedInput });
     answer.Should().Be(1);
 }
 public void AOC_2015_Day06b()
 {
     var input = File.ReadAllText(".//Content//Day06.txt")
                     .Split(Environment.NewLine)
                     .Select(x => AOC_2015_Day06_Answer.ParseInstruction(x))
                     .ToArray();
     var answer = AOC_2015_Day06_Answer.CalculateLitLights2(input);
     answer.Should().Be(14110788);
 }