public void CartMovingTest()
{
// Track
// 0123456789
// 0 >-\ /\
// 1 +-++ |+-
// 2 \-/
var cart = new Day13.Cart(Day13.Directions.east, 0, 0);
var tracks = new Day13.Track[] {
Day13.Track.horizontal,
Day13.Track.curveBackward,
Day13.Track.intersection,
Day13.Track.horizontal,
Day13.Track.intersection,
Day13.Track.intersection,
Day13.Track.curveBackward,
Day13.Track.horizontal,
Day13.Track.curveForward,
Day13.Track.vertical,
Day13.Track.curveForward,
Day13.Track.curveBackward,
Day13.Track.intersection,
Day13.Track.horizontal
};
var expectedX = new int[] { 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 8, 8, 9 };
var expectedY = new int[] { 0, 0, 1, 1, 1, 1, 2, 2, 2, 1, 0, 0, 1, 1 };
for (int i = 0; i < tracks.Length; i++)
{
cart.Move(tracks[i]);
Assert.AreEqual(expectedX[i], cart.X);
Assert.AreEqual(expectedY[i], cart.Y);
}
}
public void CartTurningTest()
{
var cart = new Day13.Cart(Day13.Directions.south, 0, 0);
// Clockwise
cart.TurnRight();
Assert.AreEqual(Day13.Directions.west, cart.Direction);
cart.TurnRight();
Assert.AreEqual(Day13.Directions.north, cart.Direction);
cart.TurnRight();
Assert.AreEqual(Day13.Directions.east, cart.Direction);
// Counter-clockwise
cart.TurnLeft();
Assert.AreEqual(Day13.Directions.north, cart.Direction);
cart.TurnLeft();
Assert.AreEqual(Day13.Directions.west, cart.Direction);
cart.TurnLeft();
Assert.AreEqual(Day13.Directions.south, cart.Direction);
}