public void ShouldUpdatePlyAfterMakingMove()
{
const string initialBoardSetup = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetup);
board.GenerateMoves();
board.MakeMove(board.Moves[0][0]);
board.Ply.Should().Be(1);
}
public void ShouldSetInitialMoveCorrectly()
{
const string initialBoardSetup = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetup);
board.GenerateMoves();
board.MakeMove(board.Moves[0][0]);
board.Moves[0][0].ToSquare.Should().Be(41);
}
public void ShouldSetTheWhiteKingRookSquareWhenItIsAWhiteKingSideCastle()
{
const string initialBoardSetupForWhiteKingSideCastle = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQK2R w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteKingSideCastle);
var m = new Move(new King(), 27, true);
board.MakeMove(m);
board.Squares[28].Type.Should().Be(PieceType.Empty);
}
public void ShouldSetTheBlackQueenRookSquareWhenItIsABlackQueenSideCastle()
{
const string initialBoardSetupForWhiteQueenSideCastle = "rnbqk2r/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR b KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteQueenSideCastle);
var m = new Move(new King(), 97, true);
board.MakeMove(m);
board.Squares[98].Type.Should().Be(PieceType.Empty);
}
public void ShouldMoveTheWhiteQueenRookWhenItIsAWhiteQueenSideCastle()
{
const string initialBoardSetupForWhiteQueenSideCastle = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/R3KBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteQueenSideCastle);
var m = new Move(new King(), 23, true);
board.MakeMove(m);
board.Squares[24].Type.Should().Be(PieceType.Rook);
}
public void ShouldSwitchSide()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 31, Color = Color.White
}, 41);
board.MakeMove(m);
board.SideToMove.Should().Be(Color.Black);
}
public void ShouldNotPromoteIfThereIsNoPromotion()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 31, Color = Color.White
}, 41);
board.MakeMove(m);
board.Squares[41].Type.Should().Be(PieceType.Pawn);
}
public void ShouldGenerateTwentyInitialReplies()
{
const string initialBoardSetup = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetup);
board.GenerateMoves();
board.MakeMove(board.Moves[0][0]);
board.GenerateMoves();
board.Moves[board.Ply].Count.Should().Be(20);
}
public void ShouldReturnFalseIfTheKingIsInCheck()
{
const string blackKingAttackedAfterRookMove = "3k4/3r4/8/3R4/8/8/8/4K3 b KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(blackKingAttackedAfterRookMove);
var m = new Move(new Rook {
Square = 84, Color = Color.Black
}, 86);
board.MakeMove(m).Should().BeFalse();
}
public void ShouldUpdateThePly()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.MakeMove(m);
board.Ply.Should().Be(1);
}
public void ShouldUpdateTheCastlePermissionsIfTheBlackKingRookHasMoved()
{
const string initialBoardSetupForWhiteRookMove = "rnbqkbnr/ppppppp1/8/8/8/8/PPPPPPPP/RBNQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteRookMove);
var m = new Move(new Rook {
Color = Color.Black, Square = 98
}, 88);
board.MakeMove(m);
((int)(board.CastlePermission & CastlePermissions.BlackKing)).Should().Be(0);
}
public void ShouldHashOutTheEnPassantKeyIfItIsSet()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var initialPosKey = board.PositionKey;
board.EnPassantSquare = 41;
var m = new Move(new Pawn(), 23);
board.MakeMove(m);
board.PositionKey.Should().NotBe(initialPosKey);
}
public void ShouldUpdateTheFifyMoveCountInHistoryEntry()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.MakeMove(m);
board.History[0].FiftyMoveCount.Should().Be(board.FiftyMoveCount);
}
public void ShouldUpdateTheEnPassantSquareHistoryEntry()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.MakeMove(m);
board.History[0].EnPassantSquare.Should().Be(board.EnPassantSquare);
}
public void ShouldUpdateTheCastlePermissionsInHistoryEntry()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.MakeMove(m);
board.History[0].CastlePermissions.Should().Be(board.CastlePermission);
}
public void ShouldUpdateTheCastlePermissionsIfTheWhiteQueenRookHasMoved()
{
const string initialBoardSetupForWhiteRookMove = "rnbqkbnr/pppppppp/8/8/8/8/1PPPPPPP/RBNQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteRookMove);
var m = new Move(new Rook {
Color = Color.White, Square = 21
}, 22);
board.MakeMove(m);
((int)(board.CastlePermission & CastlePermissions.WhiteQueen)).Should().Be(0);
}
public void ShouldAddANewEntryToHistory()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.MakeMove(m);
board.History.Count.Should().Be(1);
}
public void ShouldPromoteIfThereIsAPromotion()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 81, Color = Color.White
}, 91, new Queen {
Square = 91
});
board.MakeMove(m);
board.Squares[91].Type.Should().Be(PieceType.Queen);
}
public void ShouldChangePositionKeyIfTheBlackKingRookMoves()
{
const string initialBoardSetupForWhiteRookMove = "rnbqkbnr/ppppppp1/8/8/8/8/1PPPPPPP/RBNQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteRookMove);
var initialPosKey = board.PositionKey;
var m = new Move(new Rook {
Color = Color.White, Square = 98
}, 88);
board.MakeMove(m);
board.PositionKey.Should().NotBe(initialPosKey);
}
public void ShouldHasInTheNewSide()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var oldPosition = board.PositionKey;
var m = new Move(new Pawn {
Square = 31, Color = Color.White
}, 31);
board.MakeMove(m);
board.PositionKey.Should().NotBe(oldPosition);
}
public void ShouldSetTheEnPassantSquareIfItIsABlackPawnStartMove()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 81, Color = Color.Black
}, 61)
{
IsPawnStartMove = true
};
board.MakeMove(m);
board.EnPassantSquare.Should().Be(71);
}
public void ShouldResetTheFiftyMoveCountIfItIsAPawnMove()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 22
}, 23);
board.FiftyMoveCount = 1;
board.MakeMove(m);
board.FiftyMoveCount.Should().Be(0);
}
public void ShouldUpdateThePositionKeyWhenItItAnEnPassantMove()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 81, Color = Color.Black
}, 61)
{
IsPawnStartMove = true
};
var originalPositionKey = board.PositionKey;
board.MakeMove(m);
originalPositionKey.Should().NotBe(board.PositionKey);
}
public void ShouldClearTheWhitePawnWhenItIsABlackEnPassantCapture()
{
const string initialBoardSetupForEnPassantCaptureWhiteToMove = "rnbqkbnr/pp1ppppp/8/8/2pP4/8/PPP1PPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForEnPassantCaptureWhiteToMove);
var m = new Move(new Pawn {
Square = 53, Color = Color.Black
}, 44)
{
IsEnPassantCapture = true
};
board.Squares[54].Type.Should().Be(PieceType.Pawn);
board.MakeMove(m);
board.Squares[54].Type.Should().Be(PieceType.Empty);
}
public void ShouldResetThePositionKeyAfterCastling()
{
const string initialBoardSetupWhiteToMove = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/R3KBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new King {
Square = 25, Color = Color.White
}, 23, true);
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}
public void ShouldGenerateFourHundredMovesAtDepthOneFromInitialPosition()
{
const string initialBoardSetup = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetup);
board.GenerateMoves();
for (int count = 0; count < board.Moves[board.Ply].Count; count++)
{
if (board.MakeMove(board.Moves[0][count]))
{
board.GenerateMoves();
board.TakeMove();
}
}
board.Moves[0].Count.Should().Be(20);
board.Moves[1].Count.Should().Be(20);
}
public void ShouldUpdateThePositionInHistoryEntry()
{
var board = new Game.Board();
board.ParseFen(InitialBoardSetupWhiteToMove);
// move to the same square
var m = new Move(new Pawn {
Square = 22
}, 22);
board.MakeMove(m);
// undo the side change
board.HashSide();
board.History[0].PositionKey.Should().Be(board.PositionKey);
}
public void ShouldResetTheFiftyMoveCountWhenAPieceWhenIsCaptured()
{
const string initialBoardSetupForWhiteRookMove = "rnbqkbnr/ppppppp1/8/8/8/8/1PPPPPPP/RBNQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupForWhiteRookMove);
board.Squares[28].Type.Should().Be(PieceType.Rook);
var m = new Move(new Rook {
Color = Color.Black, Square = 98
},
new Rook {
Color = Color.White, Square = 28
});
board.FiftyMoveCount = 1;
board.MakeMove(m);
board.FiftyMoveCount.Should().Be(0);
}
public void ShouldResetThePositionKeyPromotion()
{
const string initialBoardSetupWhiteToMove = "1nbqkbnr/Pppppppp/8/8/8/8/1PPPPPPP/RNBQKBNR w KQk - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 81, Color = Color.White
}, 91, new Queen {
Square = 91, Color = Color.White
});
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}
public void ShouldResetThePositionKeyAfterCapture()
{
const string initialBoardSetupWhiteToMove = "rnbqkbnr/pppppppp/8/8/8/8/1PPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new Rook {
Square = 21, Color = Color.White
}, new Pawn {
Square = 81, Color = Color.Black
});
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}