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
31 package org.sat4j.minisat;
32
33 import java.io.FileNotFoundException;
34 import java.io.IOException;
35
36 import junit.framework.TestCase;
37
38 import org.sat4j.reader.InstanceReader;
39 import org.sat4j.reader.ParseFormatException;
40 import org.sat4j.reader.Reader;
41 import org.sat4j.specs.ContradictionException;
42 import org.sat4j.specs.ISolver;
43 import org.sat4j.specs.TimeoutException;
44
45 /**
46 * @author leberre
47 *
48 * To change the template for this generated type comment go to Window -
49 * Preferences - Java - Code Generation - Code and Comments
50 */
51 public abstract class AbstractAcceptanceTestCase<T extends ISolver> extends
52 TestCase {
53
54 /**
55 *
56 */
57 public AbstractAcceptanceTestCase() {
58 super();
59 }
60
61 /**
62 * @param arg0
63 */
64 public AbstractAcceptanceTestCase(String arg0) {
65 super(arg0);
66 }
67
68 protected T solver;
69
70 protected Reader reader;
71
72 protected abstract T createSolver();
73
74 /**
75 * @see TestCase#setUp()
76 */
77 @Override
78 protected void setUp() {
79 this.solver = createSolver();
80 this.reader = createInstanceReader(this.solver);
81 }
82
83 protected Reader createInstanceReader(T aSolver) {
84 return new InstanceReader(aSolver);
85 }
86
87 @Override
88 protected void tearDown() {
89 this.solver.reset();
90 }
91
92 protected boolean solveInstance(String filename)
93 throws FileNotFoundException, ParseFormatException, IOException {
94 try {
95 this.reader.parseInstance(filename);
96 this.solver.setTimeout(300); // set timeout to 5 minutes.
97 return this.solver.isSatisfiable();
98 } catch (ContradictionException ce) {
99 return false;
100 } catch (TimeoutException ce) {
101 fail("Timeout: need more time to complete!");
102 return false;
103 }
104 }
105
106 }