public void SnakeGame_PlaceNextPiece()
{
Position head = new Position(), tail = new Position();
eCellType[] field = new eCellType[64];
FieldMatrix.Seed(field, head, tail);
var rnd = new Random();
while (field.Any(f => f == eCellType.None))
{
var currentEmpty = field.Count(f => f == eCellType.None);
FieldMatrix.PlaceNextPiece(field, (byte)rnd.Next());
var nextEmpty = field.Count(f => f == eCellType.None);
Assert.AreEqual(currentEmpty - 1, nextEmpty, "Did not place next piece");
}
Assert.ThrowsException <GameCompletedException>(() => FieldMatrix.PlaceNextPiece(field, 10));
}
public void SnakeGame_GameIteration_TurnUp()
{
Position head = new Position(), tail = new Position();
eCellType[] field = new eCellType[64];
FieldMatrix.Seed(field, head, tail);
eDirectionType currentDirection = eDirectionType.None, nextDirection = eDirectionType.Up;
GameEngine.ApplyChange(field, head, tail, currentDirection, nextDirection, out bool expanded);
Assert.AreEqual(3, field.Count(c => c != eCellType.None));
Assert.AreEqual(eCellType.SnakeRight, field[TestOffset(3, 3)], "Tail did not move to the right");
Assert.AreEqual(eCellType.SnakeUp, field[TestOffset(3, 4)], "Body did not move to the right");
Assert.AreEqual(eCellType.SnakeHead, field[TestOffset(2, 4)], "Head did not move up");
}
public void SnakeGame_GameIteration_Expanded()
{
Position head = new Position(), tail = new Position();
eCellType[] field = new eCellType[64];
FieldMatrix.Seed(field, head, tail);
field[TestOffset(3, 5)] = eCellType.NextPart;
eDirectionType currentDirection = eDirectionType.None, nextDirection = eDirectionType.Right;
GameEngine.ApplyChange(field, head, tail, currentDirection, nextDirection, out bool expanded);
Assert.IsTrue(expanded, "Snake did not expand");
Assert.AreEqual(4, field.Count(c => c != eCellType.None));
Assert.AreEqual(eCellType.SnakeRight, field[TestOffset(3, 2)], "Tail moved");
Assert.AreEqual(eCellType.SnakeRight, field[TestOffset(3, 3)], "Body moved");
Assert.AreEqual(eCellType.SnakeRight, field[TestOffset(3, 4)], "Body moved");
Assert.AreEqual(eCellType.SnakeHead, field[TestOffset(3, 5)], "Head did not extend");
}
