- if ((*step)++, testState)
- {
- StateInfo si;
- set_state(&si);
- if ( st->key != si.key
- || st->pawnKey != si.pawnKey
- || st->materialKey != si.materialKey
- || st->npMaterial[WHITE] != si.npMaterial[WHITE]
- || st->npMaterial[BLACK] != si.npMaterial[BLACK]
- || st->psq != si.psq
- || st->checkersBB != si.checkersBB)
- return false;
- }
-
- if ((*step)++, testKingCount)
- if ( std::count(board, board + SQUARE_NB, W_KING) != 1
- || std::count(board, board + SQUARE_NB, B_KING) != 1)
- return false;
-
- if ((*step)++, testKingCapture)
- if (attackers_to(king_square(~sideToMove)) & pieces(sideToMove))
- return false;
-
- if ((*step)++, testPieceCounts)
- for (Color c = WHITE; c <= BLACK; ++c)
- for (PieceType pt = PAWN; pt <= KING; ++pt)
- if (pieceCount[c][pt] != popcount<Full>(pieces(c, pt)))
- return false;
-
- if ((*step)++, testPieceList)
- for (Color c = WHITE; c <= BLACK; ++c)
- for (PieceType pt = PAWN; pt <= KING; ++pt)
- for (int i = 0; i < pieceCount[c][pt]; ++i)
- if ( board[pieceList[c][pt][i]] != make_piece(c, pt)
- || index[pieceList[c][pt][i]] != i)
- return false;
-
- if ((*step)++, testCastlingSquares)
- for (Color c = WHITE; c <= BLACK; ++c)
- for (CastlingSide s = KING_SIDE; s <= QUEEN_SIDE; s = CastlingSide(s + 1))
- {
- if (!can_castle(c | s))
- continue;