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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.minisat.core;
31  
32  import org.junit.Before;
33  import org.junit.Test;
34  import org.sat4j.core.VecInt;
35  import org.sat4j.minisat.SolverFactory;
36  import org.sat4j.specs.ContradictionException;
37  import org.sat4j.specs.ISolver;
38  import org.sat4j.specs.IVecInt;
39  import org.sat4j.specs.TimeoutException;
40  import org.sat4j.tools.ModelIterator;
41  
42  public class TestGroupedTimeoutModelEnumeration {
43  
44      private ISolver solver;
45  
46      @Before
47      public void tearDDown() throws ContradictionException {
48          this.solver = new ModelIterator(SolverFactory.newDefault());
49          IVecInt clause = new VecInt();
50          for (int i = 1; i <= 1000; i++) {
51              clause.push(-i);
52          }
53          this.solver.addClause(clause);
54      }
55  
56      @Test(expected = TimeoutException.class, timeout = 3000)
57      public void testTimeoutOnSeconds() throws TimeoutException {
58          this.solver.setTimeout(2);
59          while (this.solver.isSatisfiable()) {
60              this.solver.model(); // needed to discard that solution
61          }
62      }
63  
64      @Test(expected = TimeoutException.class, timeout = 3000)
65      public void testTimeoutOnMilliSeconds() throws TimeoutException {
66          this.solver.setTimeoutMs(2000);
67          while (this.solver.isSatisfiable()) {
68              this.solver.model(); // needed to discard that solution
69          }
70      }
71  
72      @Test(expected = TimeoutException.class, timeout = 3000)
73      public void testTimeoutOnConflicts() throws TimeoutException {
74          this.solver.setTimeoutOnConflicts(1000);
75          while (this.solver.isSatisfiable()) {
76              this.solver.model(); // needed to discard that solution
77          }
78      }
79  }