public void GetMoves_WhitePawn_EnPassant()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.White);
board.SetSpot(5, 1, ChessPiece.WhiteKing);
board.SetSpot(5, 8, ChessPiece.BlackKing);
// Black's pawn has doublemoved.
board.SetSpot(3, 5, ChessPiece.BlackPawn);
// White has two pawns that could capture it.
board.SetSpot(2, 5, ChessPiece.WhitePawn);
board.SetSpot(4, 5, ChessPiece.WhitePawn);
board.SetEnPassantCaptureSquare(3, 6);
var expectedMoves = new List <string>
{
"Ke1-d1",
"Ke1-f1",
"Ke1-d2",
"Ke1-e2",
"Ke1-f2",
"Pb5-b6",
"Pb5xc6", // En Passant Capture
"Pd5xc6", // En Passant Capture
"Pd5-d6"
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_BlackPawn_PromotionCapture()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.Black);
board.SetSpot(4, 2, ChessPiece.BlackPawn);
board.SetSpot(3, 1, ChessPiece.WhiteKnight);
board.SetSpot(5, 1, ChessPiece.WhiteKnight);
var expectedMoves = new List <string>
{
"Pd2xc1=b",
"Pd2xc1=n",
"Pd2xc1=q",
"Pd2xc1=r",
"Pd2-d1=b",
"Pd2-d1=n",
"Pd2-d1=q",
"Pd2-d1=r",
"Pd2xe1=b",
"Pd2xe1=n",
"Pd2xe1=q",
"Pd2xe1=r",
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_BlackPawn_PromotionCapture_Blockers()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.Black);
board.SetSpot(4, 2, ChessPiece.BlackPawn);
board.SetSpot(3, 1, ChessPiece.WhiteKnight);
board.SetSpot(5, 1, ChessPiece.BlackKnight);
var expectedMoves = new List <string>
{
// Knight moves (don't forget!)
"Ne1-c2",
"Ne1-g2",
"Ne1-d3",
"Ne1-f3",
"Pd2xc1=b",
"Pd2xc1=n",
"Pd2xc1=q",
"Pd2xc1=r",
"Pd2-d1=b",
"Pd2-d1=n",
"Pd2-d1=q",
"Pd2-d1=r",
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_Rook(ChessColor color)
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(color);
board.SetSpot(4, 5, color == ChessColor.White ? ChessPiece.WhiteRook : ChessPiece.BlackRook);
var expectedMoves = new List <string>
{
"Rd5-d1",
"Rd5-d2",
"Rd5-d3",
"Rd5-d4",
"Rd5-a5",
"Rd5-b5",
"Rd5-c5",
"Rd5-e5",
"Rd5-f5",
"Rd5-g5",
"Rd5-h5",
"Rd5-d6",
"Rd5-d7",
"Rd5-d8"
};
CheckPossibleMoves(board, expectedMoves);
}
private void GetMoves_Bishop(ChessColor color)
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(color);
board.SetSpot(4, 5, color == ChessColor.White ? ChessPiece.WhiteBishop : ChessPiece.BlackBishop);
var expectedMoves = new List <string>
{
"Bd5-h1",
"Bd5-a2",
"Bd5-g2",
"Bd5-b3",
"Bd5-f3",
"Bd5-c4",
"Bd5-e4",
"Bd5-c6",
"Bd5-e6",
"Bd5-b7",
"Bd5-f7",
"Bd5-a8",
"Bd5-g8"
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_BlackKnight_Corner()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.Black);
board.SetSpot(1, 1, ChessPiece.BlackKnight);
var expectedMoves = new List <string>
{
"Na1-c2",
"Na1-b3"
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_BlackPawn_PushCapture()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.Black);
board.SetSpot(4, 5, ChessPiece.BlackPawn);
board.SetSpot(3, 4, ChessPiece.WhitePawn);
board.SetSpot(5, 4, ChessPiece.WhitePawn);
var expectedMoves = new List <string>
{
"Pd5xc4",
"Pd5-d4",
"Pd5xe4",
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_Checkmate()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.White);
board.SetSpot(5, 1, ChessPiece.WhiteKing);
board.SetSpot(5, 8, ChessPiece.BlackKing);
board.SetSpot(1, 1, ChessPiece.BlackRook);
board.SetSpot(2, 2, ChessPiece.BlackRook);
var expectedMoves = new List <string>
{
};
CheckPossibleMoves(board, expectedMoves);
var isGameOver = board.IsGameOver(out int gameResult);
Assert.IsTrue(isGameOver, "The game should be over, but it's not.");
Assert.AreEqual(-1, gameResult, $"Black should be the winner, but they're not. Expected result of -1 (Black wins), but result was {gameResult}.");
}
private void GetMoves_Knight(ChessColor color)
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(color);
board.SetSpot(4, 5, color == ChessColor.White ? ChessPiece.WhiteKnight : ChessPiece.BlackKnight);
var expectedMoves = new List <string>
{
"Nd5-c3",
"Nd5-e3",
"Nd5-b4",
"Nd5-f4",
"Nd5-b6",
"Nd5-f6",
"Nd5-c7",
"Nd5-e7"
};
CheckPossibleMoves(board, expectedMoves);
}
public void GetMoves_WhiteQueen_SimpleCheck()
{
var board = new ChessBoardState();
board.Clear();
board.SetSideToMove(ChessColor.Black);
board.SetSpot(2, 2, ChessPiece.WhiteQueen);
board.SetSpot(1, 1, ChessPiece.WhiteKing);
board.SetSpot(4, 4, ChessPiece.BlackKing);
board.SetSpot(8, 8, ChessPiece.BlackQueen);
var expectedMoves = new List <string>
{
"Kd4-d3",
"Kd4-e3",
"Kd4-c4",
"Kd4-e4",
"Kd4-c5",
"Kd4-d5"
};
CheckPossibleMoves(board, expectedMoves);
}