public void MakeMove_GivenAValidTakingMove_RaisesPieceTakenEvent()
{
PieceTakenEventArgs pieceTakenEventArgs = null;
var chessBoard = new ChessBoard();
var blackKnight = new Knight(Colour.Black);
var whitePawn = new Pawn(Colour.White);
var boardPosition1 = new BoardPosition("A1");
var boardPosition2 = new BoardPosition("B3");
chessBoard.SetInitialPosition(boardPosition1, blackKnight);
chessBoard.SetInitialPosition(boardPosition2, whitePawn);
chessBoard.PieceTaken += (sender, e) =>
{
pieceTakenEventArgs = e;
};
chessBoard.MakeMove(boardPosition1, boardPosition2);
Assert.That(pieceTakenEventArgs, Is.Not.Null);
Assert.That(pieceTakenEventArgs.PieceTaken, Is.Not.Null);
Assert.That(pieceTakenEventArgs.PieceTaken, Is.InstanceOf<Pawn>());
Assert.That(pieceTakenEventArgs.PieceTaken.Colour, Is.EqualTo(Colour.White));
Assert.That(pieceTakenEventArgs.Square, Is.Not.Null);
Assert.That(pieceTakenEventArgs.Square.ChessPiece, Is.Not.Null);
Assert.That(pieceTakenEventArgs.Square.ChessPiece, Is.InstanceOf<Knight>());
Assert.That(pieceTakenEventArgs.Square.ChessPiece.Colour, Is.EqualTo(Colour.Black));
}
public void MakeMove_GivenAnInvalidTakingMove_ThrowsException()
{
var chessBoard = new ChessBoard();
var blackKnight = new Knight(Colour.Black);
var blackPawn = new Pawn(Colour.Black);
var boardPosition1 = new BoardPosition("A1");
var boardPosition2 = new BoardPosition("B3");
chessBoard.SetInitialPosition(boardPosition1, blackKnight);
chessBoard.SetInitialPosition(boardPosition2, blackPawn);
try {
chessBoard.MakeMove(boardPosition1, boardPosition2);
Assert.Fail("Expected a ChessBoardException to be thrown!");
}
catch (ChessBoardException ex) {
Assert.That(ex.ExceptionReason, Is.EqualTo(ExceptionReason.IllegalMove));
}
}
public void MakeMove_GivenAValidTakingMove_RaisesGameOverEvent()
{
GameOverEventArgs gameOverEventArgs = null;
var chessBoard = new ChessBoard();
var blackKnight = new Knight(Colour.Black);
var whitePawn = new Pawn(Colour.White);
var boardPosition1 = new BoardPosition("A1");
var boardPosition2 = new BoardPosition("B3");
chessBoard.SetInitialPosition(boardPosition1, blackKnight);
chessBoard.SetInitialPosition(boardPosition2, whitePawn);
chessBoard.GameOver += (sender, e) =>
{
gameOverEventArgs = e;
};
chessBoard.MakeMove(boardPosition1, boardPosition2);
Assert.That(gameOverEventArgs, Is.Not.Null);
Assert.That(gameOverEventArgs.Result, Is.EqualTo(GameResult.BlackWin));
}
public void MakeMove_GivenAValidMove_Succeeds()
{
var chessBoard = new ChessBoard();
var blackKnight = new Knight(Colour.Black);
var boardPosition1 = new BoardPosition("A1");
var boardPosition2 = new BoardPosition("B3");
chessBoard.SetInitialPosition(boardPosition1, blackKnight);
chessBoard.MakeMove(boardPosition1, boardPosition2);
Assert.That(chessBoard.GetSquare(boardPosition1), Is.Not.Null);
Assert.That(chessBoard.GetSquare(boardPosition1).ChessPiece, Is.Null);
Assert.That(chessBoard.GetSquare(boardPosition2), Is.Not.Null);
Assert.That(chessBoard.GetSquare(boardPosition2).ChessPiece, Is.Not.Null);
Assert.That(chessBoard.GetSquare(boardPosition2).ChessPiece, Is.InstanceOf<Knight>());
Assert.That(chessBoard.GetSquare(boardPosition2).ChessPiece.Colour, Is.EqualTo(Colour.Black));
}
public void SetInitialPosition_GivenTwoPiecesAtSameLocation_ThrowsException()
{
var chessBoard = new ChessBoard();
var boardPosition = new BoardPosition("A1");
chessBoard.SetInitialPosition(boardPosition, new Knight(Colour.Black));
try {
chessBoard.SetInitialPosition(boardPosition, new Pawn(Colour.White));
Assert.Fail("Expected a ChessBoardException to be thrown!");
}
catch (ChessBoardException ex) {
Assert.That(ex.ExceptionReason, Is.EqualTo(ExceptionReason.InitialPositionAlreadyOccupied));
}
}
public void SetInitialPosition_GivenKnightAtA1_Succeeds()
{
var chessBoard = new ChessBoard();
var boardPosition = new BoardPosition("A1");
chessBoard.SetInitialPosition(boardPosition, new Knight(Colour.Black));
Assert.That(chessBoard.GetSquare(boardPosition), Is.Not.Null);
Assert.That(chessBoard.GetSquare(boardPosition).ChessPiece, Is.Not.Null);
Assert.That(chessBoard.GetSquare(boardPosition).ChessPiece, Is.InstanceOf<Knight>());
Assert.That(chessBoard.GetSquare(boardPosition).ChessPiece.Colour, Is.EqualTo(Colour.Black));
}