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]));
}
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;
}
