1 /******************************************************************************* 2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004, 2012 Artois University and CNRS 3 * 4 * All rights reserved. This program and the accompanying materials 5 * are made available under the terms of the Eclipse Public License v1.0 6 * which accompanies this distribution, and is available at 7 * http://www.eclipse.org/legal/epl-v10.html 8 * 9 * Alternatively, the contents of this file may be used under the terms of 10 * either the GNU Lesser General Public License Version 2.1 or later (the 11 * "LGPL"), in which case the provisions of the LGPL are applicable instead 12 * of those above. If you wish to allow use of your version of this file only 13 * under the terms of the LGPL, and not to allow others to use your version of 14 * this file under the terms of the EPL, indicate your decision by deleting 15 * the provisions above and replace them with the notice and other provisions 16 * required by the LGPL. If you do not delete the provisions above, a recipient 17 * may use your version of this file under the terms of the EPL or the LGPL. 18 * 19 * Based on the original MiniSat specification from: 20 * 21 * An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the 22 * Sixth International Conference on Theory and Applications of Satisfiability 23 * Testing, LNCS 2919, pp 502-518, 2003. 24 * 25 * See www.minisat.se for the original solver in C++. 26 * 27 * Contributors: 28 * CRIL - initial API and implementation 29 *******************************************************************************/ 30 package org.sat4j.pb; 31 32 import static org.junit.Assert.assertFalse; 33 import static org.junit.Assert.assertTrue; 34 35 import java.io.FileNotFoundException; 36 import java.io.IOException; 37 38 import org.junit.Test; 39 import org.sat4j.pb.reader.OPBEclipseReader2007; 40 import org.sat4j.reader.ParseFormatException; 41 import org.sat4j.reader.Reader; 42 import org.sat4j.specs.ContradictionException; 43 import org.sat4j.specs.TimeoutException; 44 45 /** 46 * Test case to prevent a bug occurring with some Eclipse test cases: 47 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=247567 48 * 49 * @author daniel 50 * 51 */ 52 public class TestEclipseBug247567 { 53 private static final String PREFIX = System.getProperty("test.pbprefix"); 54 55 @Test 56 public void testReserveVarsButUseLess() throws ContradictionException, 57 TimeoutException, FileNotFoundException, ParseFormatException, 58 IOException { 59 IPBSolver solver = SolverFactory.newEclipseP2(); 60 Reader reader = new OPBEclipseReader2007(solver); 61 reader.parseInstance(PREFIX + "bug247567.opb"); 62 assertTrue(solver.isSatisfiable()); 63 assertTrue(solver.model(1)); 64 assertTrue(solver.model(2)); 65 assertTrue(solver.model(3)); 66 assertFalse(solver.model(4)); 67 assertFalse(solver.model(5)); 68 assertFalse(solver.model(6)); 69 } 70 }