01: /*
02: * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */
18: package test.org.mandarax.reference;
19:
20: import java.util.Iterator;
21:
22: import org.mandarax.kernel.ClauseSetException;
23: import org.mandarax.kernel.Fact;
24: import org.mandarax.kernel.Rule;
25:
26: /**
27: * Testing generating clause set iterators for or rules saved in the knoweldge base.
28: * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
29: * @version 3.4 <7 March 05>
30: * @since 1.3
31: */
32: public class TestKnowledgeBaseOrRules extends TestKnowledgeBase {
33:
34: /**
35: * Constructor.
36: * @param aKnowledgeBase a knowledge base
37: */
38: public TestKnowledgeBaseOrRules(
39: org.mandarax.kernel.KnowledgeBase aKnowledgeBase) {
40: super (aKnowledgeBase);
41: }
42:
43: /**
44: * Run the test.
45: */
46: public void testKnowledgeBase() {
47: kb.removeAll();
48:
49: Fact prerequisite1 = Person.getFact("isFatherOf", "x", "y");
50: Fact prerequisite2 = Person.getFact("isFatherOf", "y", "z");
51: Fact conclusion = Person.getFact("isFatherOf", "u", "v");
52: Rule orRule = (new org.mandarax.util.LogicFactorySupport())
53: .orRule(prerequisite1, prerequisite2, conclusion);
54:
55: kb.add(orRule);
56: int count = 0;
57: try {
58: for (Iterator it = kb.clauses(); it.hasNext();) {
59: System.out.println(it.next());
60: count = count + 1;
61: }
62: } catch (ClauseSetException x) {
63:
64: assertTrue(count == 2);
65: }
66: }
67: }
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