plygeneratortest5.java

来自「chess 一个beguanyu国际象棋的一个Java源码」· Java 代码 · 共 160 行

/*
  PlyGeneratorTest5 - A test for a queen capture by a bishop.

  Copyright (C) 2003 The Java-Chess team <[e-mail]>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/ 

package de.java_chess.javaChess.engine.test;

import de.java_chess.javaChess.bitboard.*;
import de.java_chess.javaChess.board.*;
import de.java_chess.javaChess.engine.*;
import de.java_chess.javaChess.engine.hashtable.*;
import de.java_chess.javaChess.game.*;
import de.java_chess.javaChess.piece.*;
import de.java_chess.javaChess.ply.*;
import de.java_chess.javaChess.position.*;
import junit.framework.*;


/**
 * A simple test for the ply generator, if it generates
 * a queen capture on h7 by a bishop.
 */
class PlyGeneratorTest5 extends TestCase {

    // Instance variables

    /**
     * A game for the generator.
     */
    Game _game;

    /**
     * The analyzed board.
     */
    Board _board;

    /**
     * A ply generator.
     */
    PlyGenerator _plyGenerator;

    /**
     * The analyzer.
     */
    BitBoardAnalyzer _analyzer;

    /**
     * The moves before the problem occures.
     */
    String [] [] _prevMoves = { {"e2","e4"}, {"g8","f6"},
				{"e4","e5"}, {"c7","c6"},
				{"e5","f6"}, {"d7","d5"},
				{"d2","d4"}, {"g7","f6"},
				{"f1","d3"}, {"e7","e6"},
				{"d1","h5"}, {"h8","g8"},
				{"h5","h7"}, {"g8","g2"},
				{"h7","h8"}, {"e8","d7"},
				{"c1","f4"}, {"f8","b4"},
				{"c2","c3"}, {"d8","h8"},
				{"c3","b4"}, {"h8","h4"},
				{"f4","e3"}, {"g2","g1"},
				{"h1","g1"}, {"h4","h2"},
				{"g1","g8"}, {"h2","h7"}};

    
    // Constructors

    /**
     * Create a new instance of this test.
     */
    public PlyGeneratorTest5() {
	super( "A simple ply generator test for a queen capture on h7 by a bishop");
    }

    
    // Methods

    /**
     * Run the actual test(s).
     */
    public void runTest() {
	generatorTest();
    }
    
    /**
     * Prepare the test(s).
     */
    protected void setUp() {

	// Create a new game.
	_game = new GameImpl();

	// Create a new board.
	_board = new BitBoardImpl();

	// Create the ply generator.
	_plyGenerator = new PlyGenerator( _game, (BitBoard)_board, new PlyHashtableImpl( 100));

	// And the analyzer.
	_analyzer = new BitBoardAnalyzerImpl( _game, _plyGenerator);

	_plyGenerator.setAnalyzer( _analyzer);

	// Set the pieces on their initial positions.
	_board.initialPosition();

	// Perform the moves to get to the tested board position.
	for( int i=0; i < _prevMoves.length; i++) {
	    doPly( new PlyImpl( new PositionImpl( _prevMoves[i][0]), new PositionImpl( _prevMoves[i][1]), false));
	}
    }

    /**
     * Run the actual test.
     */
    private void generatorTest() {

	// Get the plies for white
	Ply [] plies = _plyGenerator.getPliesForColor( true);

	// Check if d3 x h7 was delivered as a potential ply.
	boolean containsCapture = false;

	for( int i = 0; i < plies.length; i++) {
	    if( 19 == plies[i].getSource().getSquareIndex()
		&& 55 == plies[i].getDestination().getSquareIndex()) {
		containsCapture = true;
		break;
	    }
	}

	assertTrue( "PlyGenerator computes capture d3 x h7", containsCapture);
    }

    /**
     * Perform a ply.
     *
     * @param ply The ply to perform.
     */
    private void doPly( Ply ply) {
	_game.doPly( ply);
	_board.doPly( ply);
    }
}