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 IPiece this[Position index]
{
get
{
try
{
return this[index.File, index.Rank];
}
catch
{
throw new ArgumentOutOfRangeException("index");
}
}
set
{
try
{
this[index.File, index.Rank] = value;
}
catch
{
throw new ArgumentOutOfRangeException("index");
}
}
}
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 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 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));
}
public void MoveTest()
{
var p = new Piece();
var pos = new Position(1, 1);
p.Move(pos);
Assert.AreEqual(1, p.PathLength);
Assert.AreEqual(pos, p.Pos);
}
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 NewEmptyPiece()
{
var s = new GameState(5, 5);
var pos = new Position(3, 3);
s[pos] = new Piece();
s.NewEmptyPiece(pos);
Assert.IsTrue(s[pos].IsEmpty);
}
public void UnmoveTest()
{
var to = new Position(1, 1);
var p = new Piece();
p.Move(to);
p.Unmove();
Assert.AreEqual(0, p.PathLength);
Assert.AreEqual(null, p.Pos);
}
public override bool CanApply(Position from, Position to, IGameState state)
{
for (int rank = Math.Min(from.Rank, to.Rank) + 1; rank < Math.Max(from.Rank, to.Rank); ++rank)
Path.Add(new Position(from.File, rank));
for (int file = Math.Min(from.File, to.File) + 1; file < Math.Max(from.File, to.File); ++file)
Path.Add(new Position(file, from.Rank));
return base.CanApply(from, to, state);
}
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 AddMove()
{
var g = new MockGame();
var from = new Position(1, 1);
var to = new Position(2, 2);
var m = new ConcreteMove(from, to);
g.AddMove(m);
Assert.AreEqual(1, g.MovesCount);
}
public static int FileDistance(Position from, Position to)
{
try
{
return Math.Abs(from.File - to.File);
}
catch
{
throw new ArgumentNullException("File of a position is undefined.", new Exception());
}
}
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 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 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 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 CaptureMove()
{
var s = new GameState(5, 5);
var from = new Position(1, 1);
var to = new Position(2, 2);
s[from] = new Piece();
var movingPiece = s[from];
s[to] = new Piece();
var m = new ConcreteMove(from, to);
m.Apply(s);
Assert.AreEqual(s[to], movingPiece);
}
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 GetConcreteFromTemplate()
{
var s = new GameState(5, 5);
var from = new Position(1, 1);
var to = new Position(2, 2);
s[from] = new Piece();
var movingPiece = s[from];
var m = new MockTemplate().Concretize(from, to);
m.Apply(s);
Assert.IsTrue(s[from].IsEmpty);
Assert.AreNotEqual(s[from], movingPiece);
Assert.AreEqual(s[to], movingPiece);
}
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 MakeMoveIsStateChanged()
{
var g = new MockGame();
var from = new Position(1, 1);
var to = new Position(2, 2);
var p = new Piece();
var m = new ConcreteMove(from, to);
g.State[from] = p;
p.Move(from);
g.AddMove(m);
g.MakeMove();
Assert.AreEqual(p, g.State[to]);
}
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));
}
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 MakeMove()
{
var g = new MockGame();
var from = new Position(1, 1);
var to = new Position(2, 2);
var p = new Piece();
var m = new ConcreteMove(from, to);
g.State[from] = p;
p.Move(from);
g.AddMove(m);
bool result = g.MakeMove();
Assert.AreEqual(1, g.MovesCount);
Assert.AreEqual(1, g.CurrentMove);
Assert.IsTrue(result);
}
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 override bool CanApply(Position from, Position to, IGameState state)
{
if (Position.FileDistance(from, to) == Position.RankDistance(from, to))
{
int file, rank, maxFile;
// left to right
if (from.File < to.File)
{
file = from.File + 1;
maxFile = to.File;
// bottom to top
if (from.Rank < to.Rank)
for (rank = from.Rank + 1; file < maxFile; ++file, ++rank)
Path.Add(new Position(file, rank));
// top to bottom
else
for (rank = from.Rank - 1; file < maxFile; ++file, --rank)
Path.Add(new Position(file, rank));
}
// right to left
else
{
file = to.File + 1;
maxFile = from.File;
// bottom to up
if (from.Rank < to.Rank)
for (rank = to.Rank - 1; file < maxFile; ++file, --rank)
Path.Add(new Position(file, rank));
// up to bottom
else
for (rank = to.Rank + 1; file < maxFile; ++file, ++rank)
Path.Add(new Position(file, rank));
}
return base.CanApply(from, to, state);
}
return false;
}
public virtual void NewEmptyPiece(Position pos)
{
var p = new Piece {IsEmpty = true};
this[pos] = p;
p.Move(pos);
}