public void ShouldHashOutASinglePiece()
{
var board = new Game.Board();
var piece = new Pawn {
Square = 1
};
board.HashPiece(piece);
board.HashPiece(piece);
board.PositionKey.Should().Be(0);
}
public void ShouldHashOutASecondPiece()
{
var board = new Game.Board();
var pawn1 = new Pawn {
Square = 1
};
var pawn2 = new Pawn {
Square = 2
};
board.HashPiece(pawn2);
board.HashPiece(pawn1);
board.HashPiece(pawn2);
board.PositionKey.Should().Be(HashPawnSquareOne);
}
public void ShouldHashInTheSide()
{
var board = new Game.Board();
var pawn1 = new Pawn {
Square = 1
};
board.HashSide();
board.HashPiece(pawn1);
board.PositionKey.Should().NotBe(HashPawnSquareOne);
board.HashSide();
board.PositionKey.Should().Be(HashPawnSquareOne);
}
public void ShouldHashInAnEnPassentSquare()
{
var board = new Game.Board();
const int enPassantSquare = 42;
var pawn1 = new Pawn {
Square = 1
};
board.HashEnPassant(enPassantSquare);
board.HashPiece(pawn1);
board.PositionKey.Should().NotBe(HashPawnSquareOne);
board.HashEnPassant(enPassantSquare);
board.PositionKey.Should().Be(HashPawnSquareOne);
}
public void ShouldHashPieceIn()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMoveNoWhiteRooksPawn);
int initialPositionKey = board.PositionKey;
var from = new Rook {
Square = 21, Color = Color.White
};
var to = new Rook {
Square = 31, Color = Color.White
};
board.CastlePiece(from, to);
board.HashPiece(from);
board.HashPiece(to);
var positionKey = board.PositionKey;
positionKey.Should().Be(initialPositionKey);
}
public void ShouldHashPieceIn()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMoveNoWhiteRook);
int initialPositionKey = board.PositionKey;
board.AddPiece(new Rook {
Square = 21, Color = Color.White
});
board.HashPiece(board.Squares[21]);
var positionKey = board.PositionKey;
positionKey.Should().Be(initialPositionKey);
}
public void ShouldHashOutPiece()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
int initialPositionKey = board.PositionKey;
board.ClearPiece(board.Squares[21]);
board.HashPiece(new Rook {
Square = 21
});
var positionKey = board.PositionKey;
initialPositionKey.Should().Be(positionKey);
}