public void ParseCoordinates_CoordinateInput_ReturnsCoordinate(string input, Coordinate expectedOutput)
{
// Arrange & Act
var result = MoonMap.ParseCoordinate(input);
// Assert
result.ShouldBeEquivalentTo(expectedOutput);
}
/// <summary>
/// --- Day 12: The N-Body Problem ---
/// https://adventofcode.com/2019/day/12
/// </summary>
/// <param name="args"></param>
public static void Main(string[] args)
{
if (args.Any(x => x.Equals("--help")))
{
Console.WriteLine($"Provide the path to the position of moons .txt file (default: `{DefaultFilePath}`)");
Environment.Exit(Environment.ExitCode);
}
var moonCoordinateInput = args.FirstOrDefault(x => x.EndsWith(".txt")) ?? DefaultFilePath;
var moonCoordinates = File.ReadAllLines(moonCoordinateInput)
.Select(MoonMap.ParseCoordinate)
.ToList();
var newCoordinates = MoonMap.SimulateSteps(moonCoordinates, 1000);
Console.WriteLine($"Total energy: {MoonMap.CalculateEnergy(newCoordinates)}");
}
public void SimulateSteps_Coordinates_ReturnsNewCoordinates()
{
// Arrange
var moonCoordinates = new List <Coordinate>
{
new Coordinate(-1, 0, 2),
new Coordinate(2, -10, -7),
new Coordinate(4, -8, 8),
new Coordinate(3, 5, -1)
};
// Act
var result = MoonMap.SimulateSteps(moonCoordinates, 1);
// Assert
result.ShouldBeEquivalentTo(new List <Coordinate>
{
new Coordinate
{
X = (2, 3),
Y = (-1, -1),
Z = (1, -1)
},
