public void TestBishopOnE7Moves()
{
var uciStream = new UciStream();
var board = uciStream.Board;
board.SetPosition("rnbq1bnr/ppppkppp/4p3/8/8/BP6/P1PPPPPP/RN1QKBNR b KQ - 0 3");
var unoccupiedMovesMask = Board.BishopMoveMasks[Square.e7];
var expectedUnoccupiedMovesMask = 0ul;
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.d8);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.f8);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.d6);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.f6);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.c5);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.g5);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.b4);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.h4);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.a3);
var relevantMoveDestinations = unoccupiedMovesMask & PrecalculatedMoves.GetRelevantOccupancy(Square.e7, false);
uciStream.WriteMessageLine("Relevant move destinations = ");
uciStream.WriteMessageLine(Position.ToString(relevantMoveDestinations));
uciStream.WriteMessageLine();
ulong expectedRelevantMoveDestinations = 0;
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.d6);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.f6);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.c5);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.g5);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.b4);
uciStream.WriteMessageLine("Expected relevant move destinations = ");
uciStream.WriteMessageLine(Position.ToString(relevantMoveDestinations));
uciStream.WriteMessageLine();
Assert.That(relevantMoveDestinations, Is.EqualTo(expectedRelevantMoveDestinations));
Direction[] bishopDirections = { Direction.NorthEast, Direction.SouthEast, Direction.SouthWest, Direction.NorthWest };
var bishopDestinations = Board.CreateMoveDestinationsMask(Square.e7, board.CurrentPosition.Occupancy, bishopDirections);
uciStream.WriteMessageLine("Bishop destinations = ");
uciStream.WriteMessageLine(Position.ToString(bishopDestinations));
uciStream.WriteMessageLine();
var expectedBishopDestinations = 0ul;
Bitwise.SetBit(ref expectedBishopDestinations, Square.d8);
Bitwise.SetBit(ref expectedBishopDestinations, Square.f8);
Bitwise.SetBit(ref expectedBishopDestinations, Square.d6);
Bitwise.SetBit(ref expectedBishopDestinations, Square.f6);
Bitwise.SetBit(ref expectedBishopDestinations, Square.c5);
Bitwise.SetBit(ref expectedBishopDestinations, Square.g5);
Bitwise.SetBit(ref expectedBishopDestinations, Square.b4);
Bitwise.SetBit(ref expectedBishopDestinations, Square.h4);
Bitwise.SetBit(ref expectedBishopDestinations, Square.a3);
uciStream.WriteMessageLine("Expected bishop destinations = ");
uciStream.WriteMessageLine(Position.ToString(expectedBishopDestinations));
uciStream.WriteMessageLine();
Assert.That(bishopDestinations, Is.EqualTo(expectedBishopDestinations));
var precalculatedBishopDestinations = Board.PrecalculatedMoves.GetBishopMovesMask(Square.e7, board.CurrentPosition.Occupancy);
uciStream.WriteMessageLine("Precalculated bishop destinations = ");
uciStream.WriteMessageLine(Position.ToString(precalculatedBishopDestinations));
uciStream.WriteMessageLine();
Assert.That(precalculatedBishopDestinations, Is.EqualTo(expectedBishopDestinations));
}
public void TestBishopOnE7Moves()
{
var board = new Board(WriteMessageLine, long.MaxValue);
board.SetPosition("rnbq1bnr/ppppkppp/4p3/8/8/BP6/P1PPPPPP/RN1QKBNR b KQ - 0 3");
var unoccupiedMovesMask = Board.BishopMoveMasks[(int)Square.E7];
var expectedUnoccupiedMovesMask = 0ul;
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.D8);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.F8);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.D6);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.F6);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.C5);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.G5);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.B4);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.H4);
Bitwise.SetBit(ref expectedUnoccupiedMovesMask, Square.A3);
var relevantMoveDestinations = unoccupiedMovesMask & PrecalculatedMoves.GetRelevantOccupancy(Square.E7, false);
WriteMessageLine("Relevant move destinations = ");
WriteMessageLine(Position.ToString(relevantMoveDestinations));
WriteMessageLine();
ulong expectedRelevantMoveDestinations = 0;
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.D6);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.F6);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.C5);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.G5);
Bitwise.SetBit(ref expectedRelevantMoveDestinations, Square.B4);
WriteMessageLine("Expected relevant move destinations = ");
WriteMessageLine(Position.ToString(relevantMoveDestinations));
WriteMessageLine();
Assert.That(relevantMoveDestinations, Is.EqualTo(expectedRelevantMoveDestinations));
Direction[] bishopDirections = { Direction.NorthEast, Direction.SouthEast, Direction.SouthWest, Direction.NorthWest };
var bishopDestinations = Board.CreateMoveDestinationsMask(Square.E7, board.CurrentPosition.Occupancy, bishopDirections);
WriteMessageLine("Bishop destinations = ");
WriteMessageLine(Position.ToString(bishopDestinations));
WriteMessageLine();
var expectedBishopDestinations = 0ul;
Bitwise.SetBit(ref expectedBishopDestinations, Square.D8);
Bitwise.SetBit(ref expectedBishopDestinations, Square.F8);
Bitwise.SetBit(ref expectedBishopDestinations, Square.D6);
Bitwise.SetBit(ref expectedBishopDestinations, Square.F6);
Bitwise.SetBit(ref expectedBishopDestinations, Square.C5);
Bitwise.SetBit(ref expectedBishopDestinations, Square.G5);
Bitwise.SetBit(ref expectedBishopDestinations, Square.B4);
Bitwise.SetBit(ref expectedBishopDestinations, Square.H4);
Bitwise.SetBit(ref expectedBishopDestinations, Square.A3);
WriteMessageLine("Expected bishop destinations = ");
WriteMessageLine(Position.ToString(expectedBishopDestinations));
WriteMessageLine();
Assert.That(bishopDestinations, Is.EqualTo(expectedBishopDestinations));
var precalculatedBishopDestinations = Board.PrecalculatedMoves.GetBishopMovesMask(Square.E7, board.CurrentPosition.Occupancy);
WriteMessageLine("Precalculated bishop destinations = ");
WriteMessageLine(Position.ToString(precalculatedBishopDestinations));
WriteMessageLine();
Assert.That(precalculatedBishopDestinations, Is.EqualTo(expectedBishopDestinations));
}
