public void GetsCorrectAttackSquaresForSingleBlackPawn(Square pawnSquare, ulong expectedAttackSquares)
{
// Act
var attackSquares = PawnMoves.BlackPawnAttacks(pawnSquare);
// Assert
Assert.Equal <Bitboard>(expectedAttackSquares, attackSquares);
}
public void CanGetAllPawnAttacks(ulong pawns, Side side, ulong expectedAttacks)
{
// Act
var attacks = PawnMoves.AllPawnAttacks(pawns, side);
// Assert
Assert.Equal <Bitboard>(expectedAttacks, attacks);
}
public void CreatesBlackDoublePushTargetsCorrectly()
{
// Assemble
Bitboard blackPawns = 0x00_c7_20_10_08_10_00_00;
Bitboard whitePieces = 0x00_00_41_02_00_00_10_00;
Bitboard emptySquares = ~(blackPawns | whitePieces);
// Act
Bitboard doublePushTargets = PawnMoves.PawnDoublePushTargets(blackPawns, emptySquares, Side.Black);
// Assert
Assert.Equal <Bitboard>(0x00_00_00_84_00_00_00_00, doublePushTargets);
}
public void CreatesWhiteDoublePushTargetsCorrectly()
{
// Assemble
Bitboard whitePawns = 0x00_00_00_08_00_01_F6_00;
Bitboard blackPieces = 0x00_00_00_00_11_84_00_00;
Bitboard emptySquares = ~(whitePawns | blackPieces);
// Act
Bitboard doublePushTargets = PawnMoves.PawnDoublePushTargets(whitePawns, emptySquares, Side.White);
// Assert
Assert.Equal <Bitboard>(0x00_00_00_00_62_00_00_00, doublePushTargets);
}
private static Moves Create(PieceEnum piece)
{
switch (piece)
{
case PieceEnum.Knight:
return(KnightMoves.Get());
case PieceEnum.Bishop:
return(BishopMoves.Get());
case PieceEnum.Rook:
return(RookMoves.Get());
case PieceEnum.Queen:
return(QueenMoves.Get());
case PieceEnum.King:
return(KingMoves.Get());
case PieceEnum.Pawn:
return(PawnMoves.Get());
}
return(null);
}
public void ThrowsExceptionIfPawnIsOnFirstOrLastRank(Square pawnSquare)
{
// Act & Assert
Assert.Throws <ArgumentOutOfRangeException>(() => PawnMoves.WhitePawnAttacks(pawnSquare));
Assert.Throws <ArgumentOutOfRangeException>(() => PawnMoves.BlackPawnAttacks(pawnSquare));
}
