/** Test of makeMove method, of class Position. */
public void testPromotion() throws ChessParseError {
String fen = "r1bqk2r/1Pppbppp/p1n2n2/2P1p3/B3P3/5N2/Pp1P1PPP/R1BQK2R w KQkq - 0 1";
Position pos = TextIO.readFEN(fen);
assertEquals(fen, TextIO.toFEN(pos));
Position origPos = new Position(pos);
assertEquals(origPos, pos);
Move move = new Move(Position.getSquare(1, 6), Position.getSquare(0, 7), Piece.WQUEEN);
UndoInfo ui = new UndoInfo();
pos.makeMove(move, ui);
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(1, 6)));
assertEquals(Piece.WQUEEN, pos.getPiece(Position.getSquare(0, 7)));
pos.unMakeMove(move, ui);
assertEquals(origPos, pos);
move = new Move(Position.getSquare(1, 6), Position.getSquare(1, 7), Piece.WKNIGHT);
ui = new UndoInfo();
pos.makeMove(move, ui);
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(1, 6)));
assertEquals(Piece.WKNIGHT, pos.getPiece(Position.getSquare(1, 7)));
pos.unMakeMove(move, ui);
assertEquals(origPos, pos);
pos.setWhiteMove(false);
origPos = new Position(pos);
move = new Move(Position.getSquare(1, 1), Position.getSquare(2, 0), Piece.BROOK);
ui = new UndoInfo();
pos.makeMove(move, ui);
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(1, 1)));
assertEquals(Piece.BROOK, pos.getPiece(Position.getSquare(2, 0)));
pos.unMakeMove(move, ui);
assertEquals(origPos, pos);
}
/** Test of makeMove method, of class Position. */
public void testMakeMove() throws ChessParseError {
Position pos = TextIO.readFEN(TextIO.startPosFEN);
Position origPos = new Position(pos);
assertTrue(pos.equals(origPos));
Move move = new Move(Position.getSquare(4, 1), Position.getSquare(4, 3), Piece.EMPTY);
UndoInfo ui = new UndoInfo();
pos.makeMove(move, ui);
assertEquals(pos.whiteMove, false);
assertEquals(-1, pos.getEpSquare());
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(4, 1)));
assertEquals(Piece.WPAWN, pos.getPiece(Position.getSquare(4, 3)));
assertTrue(!pos.equals(origPos));
int castleMask =
(1 << Position.A1_CASTLE)
| (1 << Position.H1_CASTLE)
| (1 << Position.A8_CASTLE)
| (1 << Position.H8_CASTLE);
assertEquals(castleMask, pos.getCastleMask());
pos.unMakeMove(move, ui);
assertEquals(pos.whiteMove, true);
assertEquals(Piece.WPAWN, pos.getPiece(Position.getSquare(4, 1)));
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(4, 3)));
assertTrue(pos.equals(origPos));
String fen = "r1bqk2r/2ppbppp/p1n2n2/1pP1p3/B3P3/5N2/PP1P1PPP/RNBQK2R w KQkq b6 0 2";
pos = TextIO.readFEN(fen);
assertEquals(fen, TextIO.toFEN(pos));
origPos = new Position(pos);
assertEquals(Position.getSquare(1, 5), pos.getEpSquare());
// Test capture
move = new Move(Position.getSquare(0, 3), Position.getSquare(1, 4), Piece.EMPTY);
pos.makeMove(move, ui);
assertEquals(-1, pos.getEpSquare());
assertEquals(Piece.WBISHOP, pos.getPiece(Position.getSquare(1, 4)));
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(0, 3)));
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos));
// Test castling
move = new Move(Position.getSquare(4, 0), Position.getSquare(6, 0), Piece.EMPTY);
pos.makeMove(move, ui);
assertEquals(Piece.WROOK, pos.getPiece(Position.getSquare(5, 0)));
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(7, 0)));
castleMask = (1 << Position.A8_CASTLE) | (1 << Position.H8_CASTLE);
assertEquals(castleMask, pos.getCastleMask());
assertEquals(-1, pos.getEpSquare());
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos));
// Test castling rights (king move)
move = new Move(Position.getSquare(4, 0), Position.getSquare(4, 1), Piece.EMPTY);
pos.makeMove(move, ui);
castleMask = (1 << Position.A8_CASTLE) | (1 << Position.H8_CASTLE);
assertEquals(castleMask, pos.getCastleMask());
assertEquals(-1, pos.getEpSquare());
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos));
// Test castling rights (rook move)
move = new Move(Position.getSquare(7, 0), Position.getSquare(6, 0), Piece.EMPTY);
pos.makeMove(move, ui);
castleMask = (1 << Position.A1_CASTLE) | (1 << Position.A8_CASTLE) | (1 << Position.H8_CASTLE);
assertEquals(castleMask, pos.getCastleMask());
assertEquals(-1, pos.getEpSquare());
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos));
// Test en passant
move = new Move(Position.getSquare(2, 4), Position.getSquare(1, 5), Piece.EMPTY);
pos.makeMove(move, ui);
assertEquals(Piece.WPAWN, pos.getPiece(Position.getSquare(1, 5)));
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(2, 4)));
assertEquals(Piece.EMPTY, pos.getPiece(Position.getSquare(1, 4)));
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos));
// Test castling rights loss when rook captured
pos.setPiece(Position.getSquare(6, 2), Piece.BKNIGHT);
pos.setWhiteMove(false);
Position origPos2 = new Position(pos);
move = new Move(Position.getSquare(6, 2), Position.getSquare(7, 0), Piece.EMPTY);
pos.makeMove(move, ui);
castleMask = (1 << Position.A1_CASTLE) | (1 << Position.A8_CASTLE) | (1 << Position.H8_CASTLE);
assertEquals(castleMask, pos.getCastleMask());
assertEquals(-1, pos.getEpSquare());
pos.unMakeMove(move, ui);
assertTrue(pos.equals(origPos2));
}
