private static ChessBoard GetHorizontalMirroredCb(ChessBoard cb)
{
var testCb = ChessBoardInstances.Get(1);
for (var color = White; color <= Black; color++)
{
for (var piece = Pawn; piece <= King; piece++)
{
testCb.Pieces[color][piece] = Util.MirrorHorizontal(cb.Pieces[color][piece]);
}
}
testCb.ColorToMove = cb.ColorToMove;
ChessBoardUtil.Init(testCb);
testCb.MoveCounter = cb.MoveCounter;
return(testCb);
}
private static ChessBoard GetVerticalMirroredCb(ChessBoard cb)
{
var testCb = ChessBoardInstances.Get(1);
for (var piece = Pawn; piece <= King; piece++)
{
testCb.Pieces[White][piece] = Util.MirrorVertical(cb.Pieces[Black][piece]);
}
for (var piece = Pawn; piece <= King; piece++)
{
testCb.Pieces[Black][piece] = Util.MirrorVertical(cb.Pieces[White][piece]);
}
testCb.ColorToMove = cb.ColorToMoveInverse;
ChessBoardUtil.Init(testCb);
testCb.MoveCounter = cb.MoveCounter;
return(testCb);
}
public static void TestValues(ChessBoard cb)
{
var iterativeZk = cb.ZobristKey;
var iterativeZkPawn = cb.PawnZobristKey;
var iterativeAllPieces = cb.AllPieces;
var iterativePsqt = cb.PsqtScore;
var phase = cb.Phase;
long materialKey = cb.MaterialKey;
var testPieceIndexes = new int[64];
Array.Copy(cb.PieceIndexes, testPieceIndexes, cb.PieceIndexes.Length);
Assert.IsTrue(BitOperations.TrailingZeroCount(cb.Pieces[White][King]) == cb.KingIndex[White]);
Assert.IsTrue(BitOperations.TrailingZeroCount(cb.Pieces[Black][King]) == cb.KingIndex[Black]);
ChessBoardUtil.Init(cb);
// zobrist keys
Assert.IsTrue(iterativeZk == cb.ZobristKey);
Assert.IsTrue(iterativeZkPawn == cb.PawnZobristKey);
// combined pieces
Assert.IsTrue(iterativeAllPieces == cb.AllPieces);
// psqt
Assert.IsTrue(iterativePsqt == cb.PsqtScore);
// piece-indexes
for (var i = 0; i < testPieceIndexes.Length; i++)
{
Assert.IsTrue(testPieceIndexes[i] == cb.PieceIndexes[i]);
}
Assert.IsTrue(phase == cb.Phase);
Assert.IsTrue(materialKey == cb.MaterialKey);
}
