public void RookMoves()
{
for (int i = 0; i < 64; ++i)
{
IEnumerable <ChessMove> rookMoves = ChessMove.RookMoves(i);
Assert.AreEqual(14, rookMoves.Count(), $"14 moves from square {ChessBoard.SquareName(i)}");
int rank = ChessBoard.RankOf(i), file = ChessBoard.FileOf(i);
foreach (ChessMove cm in rookMoves)
{
int destRank = (int)cm.DestinationSquare.Rank, destFile = (int)cm.DestinationSquare.File;
Assert.IsTrue(rank == destRank || file == destFile, $"correct rank/file @ {cm}");
}
}
}
internal override IEnumerable <ChessMove> GetValidMoves() => ChessMove.RookMoves((int)CurrentSquare);
