public void KnightNot()
{
var from = new Position(3, 3);
var s = new ChessState();
var m = new KnightMoveTemplate();
Assert.IsFalse(m.CanApply(from, new Position(2, 2), s));
}
public void KnightUpRight()
{
var from = new Position(3, 3);
var s = new ChessState();
var m = new KnightMoveTemplate();
Assert.IsTrue(m.CanApply(from, new Position(4, 5), s));
Assert.IsTrue(m.CanApply(from, new Position(5, 4), s));
}
public void KnightDownLeft()
{
var from = new Position(3, 3);
var s = new ChessState();
var m = new KnightMoveTemplate();
Assert.IsTrue(m.CanApply(from, new Position(2, 1), s));
Assert.IsTrue(m.CanApply(from, new Position(1, 2), s));
}
public void KnightCanSkip()
{
var from = new Position(3, 3);
var s = new ChessState();
s[new Position(3, 4)] = new ChessPiece();
var m = new KnightMoveTemplate();
Assert.IsTrue(m.CanApply(from, new Position(4, 5), s));
}
private static Position EnemyPawn(ChessState state)
{
switch (state.EnPassant.Rank)
{
case 3: return new Position(state.EnPassant.File, state.EnPassant.Rank + 1);
case 6: return new Position(state.EnPassant.File, state.EnPassant.Rank - 1);
}
throw new ArgumentException();
}
public void PromotionWrongType()
{
var from = new Position("a7");
var s = new ChessState();
var piece = new ChessPiece { Player = new Player(1) };
s[from] = piece;
var m = new Promotion(new PawnMoveTemplate(), new[] { PieceTypes.Knight, PieceTypes.Bishop, PieceTypes.Rook, PieceTypes.Queen });
Assert.IsFalse(m.CanApply(from, new Position("a8"), s, PieceTypes.Pawn));
}
public void GetPossibleMove()
{
var pos = new Position(1, 1);
var s = new ChessState();
var p = new ChessPiece();
p.Move(new Position(2, 2));
p.PossibleMoves.Add(new MockTemplate());
Assert.IsNotNull(p.GetPossibleMove(pos, s, PieceTypes.Pawn));
}
public void CanNotAttack()
{
var pos = new Position(1, 1);
var s = new ChessState();
var p = new ChessPiece();
p.Move(new Position(2, 2));
p.PossibleMoves.Add(new MockTemplate(null, false));
Assert.IsFalse(p.CanAttack(pos, s));
}
public void IsUnderAttackEmpty()
{
var s = new ChessState();
var players = new List<Player> { new Player(1), new Player(2) };
var from = new Position(1, 1);
var to = new Position(2, 2);
s[from] = ChessPieceFactory.CreatePiece('K', new EnglishFENPresentation(), players);
s[from].Move(from);
Assert.IsTrue(s.IsUnderAttack(to, players[1]));
}
public void EnPassantFar()
{
var from = new Position("c5");
var to = new Position("a3");
var s = new ChessState();
s.EnPassant = to;
s[from] = new ChessPiece { Player = new Player(2) };
var m = new EnPassantTemplate();
Assert.IsFalse(m.CanApply(from, to, s));
}
public void NoPossibleMoves()
{
var s = new ChessState();
var from = new Position(1, 1);
var to = new Position(1, 3);
var p = new ChessPiece();
s[from] = p;
s[from].Move(from);
p.PossibleMoves.Add(new MockTemplate(1));
Assert.IsNull(p.GetPossibleMove(to, s, PieceTypes.Pawn));
}
public void IsKingOpen()
{
var s = new ChessState();
var players = new List<Player> {new Player(1), new Player(2)};
var from = new Position(1, 1);
var to = new Position(3, 3);
s[from] = ChessPieceFactory.CreatePiece('K', new EnglishFENPresentation(), players);
s[to] = ChessPieceFactory.CreatePiece('q', new EnglishFENPresentation(), players);
s[from].Move(from);
s[to].Move(to);
Assert.IsTrue(s.IsKingOpen(players[0]));
}
public ChessState(ChessState o)
: this()
{
Player = o.Player;
Castling = o.Castling;
EnPassant = o.EnPassant;
HalfMoves = o.HalfMoves;
FullMoves = o.FullMoves;
foreach (ChessPiece p in o)
Board[p.Pos.File - 1, p.Pos.Rank - 1] = new ChessPiece(p);
}
public void PromotionApply()
{
var from = new Position("a7");
var to = new Position("a8");
var piece = new ChessPiece { Type = PieceTypes.Pawn, Player = new Player(1) };
var s = new ChessState();
s[from] = piece;
var m = new Promotion(new PawnMoveTemplate(), new[] { PieceTypes.Knight, PieceTypes.Bishop, PieceTypes.Rook, PieceTypes.Queen });
var concretePromotion = m.Concretize(from, to, PieceTypes.Queen);
concretePromotion.Apply(s);
Assert.AreEqual(PieceTypes.Queen, piece.Type);
}
public void CanAttack()
{
var s = new ChessState();
var from = new Position(1, 1);
var to = new Position(2, 2);
var p = new ChessPiece();
s[from] = p;
s[from].Move(from);
s[to] = new ChessPiece();
s[to].Move(to);
s[from].PossibleMoves.Add(new MockTemplate(null, true));
Assert.IsTrue(p.CanAttack(to, s));
}
public void CastlingKingside()
{
var c = new CastlingTemplate(CastlingTemplate.CastlingType.Kingside);
var from = new Position(5, 1);
var to = new Position(7, 1);
var rook = new Position(8, 1);
var s = new ChessState();
s[rook] = new ChessPiece {Type = PieceTypes.Rook};
s[rook].Move(rook);
s[from] = new ChessPiece {Type = PieceTypes.King};
s[from].Move(from);
Assert.IsTrue(c.CanApply(from, to, s));
}
protected virtual IConcreteMove Solve(ChessState state)
{
if (CastlingKingside)
{
From = new Position(5, Player.Order == 1 ? 1 : 8);
To = new Position(7, Player.Order == 1 ? 1 : 8);
}
if (CastlingQueenside)
{
From = new Position(5, Player.Order == 1 ? 1 : 8);
To = new Position(3, Player.Order == 1 ? 1 : 8);
}
Position from = null;
var possibleMoves = new List<IConcreteMove>();
foreach (ChessPiece p in state)
if (!p.IsEmpty &&
p.Type == PieceType &&
p.Player == Player &&
From.Equals(p.Pos))
{
var mv = p.GetPossibleMove(To, state, PromotionTo);
if (mv != null)
{
mv.Apply(state);
if (!state.IsKingOpen(Player))
{
from = p.Pos;
possibleMoves.Add(mv);
}
mv.Rollback(state);
}
}
if (possibleMoves.Count != 1)
{
throw new Exception("Ambiguous move.");
}
else
{
From = from;
return possibleMoves[0];
}
}
public void EnPassantCapture()
{
var enmy = new Position("a4");
var from = new Position("b4");
var to = new Position("a3");
var s = new ChessState();
s.EnPassant = to;
s[from] = new ChessPiece { Player = new Player(2) };
s[from].Move(from);
s[enmy] = new ChessPiece();
s[enmy].Move(enmy);
var m = new EnPassantConcrete(from, to);
Assert.IsFalse(s[enmy].IsEmpty);
m.Apply(s);
Assert.IsTrue(s[enmy].IsEmpty);
}
public void CastlingBarrierQ()
{
var c = new CastlingTemplate(CastlingTemplate.CastlingType.Queenside);
var from = new Position(5, 1);
var to = new Position(3, 1);
var rook = new Position(1, 1);
var enmy = new Position(2, 1);
var white = new Player(1);
var s = new ChessState();
s[rook] = new ChessPiece { Type = PieceTypes.Rook, Player = white };
s[rook].Move(rook);
s[from] = new ChessPiece { Type = PieceTypes.King, Player = white };
s[from].Move(from);
s[enmy] = new ChessPiece { Type = PieceTypes.Rook, Player = white };
s[enmy].Move(enmy);
Assert.IsFalse(c.CanApply(from, to, s));
}
public void EnPassantSetting()
{
var from = new Position("a2");
var to = new Position("a4");
var s = new ChessState();
s[from] = new ChessPiece { Player = new Player(1) };
var m = new PawnConcreteMove(from, to);
m.Apply(s);
Assert.AreEqual(new Position("a3"), s.EnPassant);
}
public void PawnCaptureLeft()
{
var from = new Position("b3");
var to = new Position("a4");
var s = new ChessState();
s[from] = new ChessPiece { Player = new Player(1) };
s[to] = new ChessPiece();
var m = new PawnCaptureTemplate();
Assert.IsTrue(m.CanApply(from, to, s));
}
public void SwitchPlayersTest()
{
var s = new ChessState();
Assert.AreEqual('w', s.Player);
s.SwitchPlayers();
Assert.AreEqual('b', s.Player);
s.SwitchPlayers();
Assert.AreEqual('w', s.Player);
}
public void NewEmptyPieceTest()
{
var s = new ChessState();
var pos = new Position(1, 1);
s[pos] = new ChessPiece();
s.NewEmptyPiece(pos);
Assert.IsTrue(s[pos].IsEmpty);
}
public ChessMove FindBestMove(ChessState state)
{
_BestMove = null;
Recheck = false;
Error = false;
if (_Path == null)
{
Error = true;
return null;
}
if (P != null && !P.HasExited)
P.Kill();
while (Worker.IsAlive)
Worker.Abort();
Worker = new Thread(StartProcess);
Worker.Start();
GameState = state;
return null;
}
private void SetPosition(Process engine, ChessState gameState)
{
if (gameState != null)
engine.StandardInput.WriteLine("position fen " + FENParser.Generate(gameState));
}
private Boolean IsKingsPathFree(Position from, Position to, ChessState cState)
{
Boolean result = true;
switch (CType)
{
case CastlingType.Kingside:
for (int kingPathFile = from.File + 1; kingPathFile <= to.File; ++kingPathFile)
result &= !cState.IsUnderAttack(new Position(kingPathFile, from.Rank), cState[from].Player);
break;
case CastlingType.Queenside:
for (int kingPathFile = from.File - 1; kingPathFile >= to.File; --kingPathFile)
result &= !cState.IsUnderAttack(new Position(kingPathFile, from.Rank), cState[from].Player);
break;
}
return result;
}
public void RookPathUnderAttack()
{
var c = new CastlingTemplate(CastlingTemplate.CastlingType.Kingside);
var from = new Position(5, 1);
var to = new Position(7, 1);
var rook = new Position(8, 1);
var enmy = new Position(8, 3);
var white = new Player(1);
var s = new ChessState();
s[rook] = new ChessPiece { Type = PieceTypes.Rook, Player = white };
s[rook].Move(rook);
s[from] = new ChessPiece { Type = PieceTypes.King, Player = white };
s[from].Move(from);
s[enmy] = new ChessPiece { Type = PieceTypes.Rook, Player = new Player(2) };
s[enmy].Move(enmy);
ChessPieceFactory.AddMoves((ChessPiece)s[enmy]);
Assert.IsTrue(c.CanApply(from, to, s));
}
public void MakeMove()
{
state = null;
Game.MakeMove();
OnPropertyChanged("FEN");
}
public void UndoMove()
{
state = null;
Game.UndoMove();
OnPropertyChanged("FEN");
}
public void PawnUp()
{
var from = new Position("a2");
var to = new Position("a3");
var s = new ChessState();
s[from] = new ChessPiece {Player = new Player(1)};
var m = new PawnMoveTemplate();
Assert.IsTrue(m.CanApply(from,to,s));
}