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1
7
8 package org.netbeans.modules.languages.parser;
9
10 import java.util.Collections  ;
11 import junit.framework.*;
12
13
14
18 public class DGUtilsTest extends TestCase {
19
20 public DGUtilsTest (String testName) {
21 super (testName);
22 }
23
24
25 public void testReduce () {
26 DG dg = DG.createDG (new Integer (1));
27 dg.addNode (new Integer (2));
28 dg.addNode (new Integer (3));
29 dg.addNode (new Integer (4));
30 dg.addEdge (new Integer (1), new Integer (2), new Character ('a'));
31 dg.addEdge (new Integer (2), new Integer (3), new Character ('b'));
32 dg.addEdge (new Integer (3), new Integer (4), new Character ('a'));
33 dg.addEdge (new Integer (4), new Integer (3), new Character ('b'));
34 dg.setStart (new Integer (1));
35 dg.setEnds (Collections.singleton (new Integer (3)));
36
37 dg.setProperty (new Integer (1), "jedna", null);
38 dg.setProperty (new Integer (2), "dve", null);
39 dg.setProperty (new Integer (3), "tri", null);
40 dg.setProperty (new Integer (4), "ctyri", null);
41 dg.setProperty (new Integer (1), new Character ('a'), "jedna a", null);
42 dg.setProperty (new Integer (2), new Character ('b'), "dve b", null);
43 dg.setProperty (new Integer (3), new Character ('a'), "tri a", null);
44 dg.setProperty (new Integer (4), new Character ('b'), "ctyri b", null);
45 dg = DGUtils.reduce (dg, nodeFactory);
46
47 assertEquals (new Integer (1), dg.getStartNode ());
48 assertEquals (Collections.singleton (new Integer (3)), dg.getEnds ());
49 assertEquals (3, dg.getNodes ().size ());
50
51 }
52
53 private NodeFactory nodeFactory = new NodeFactory<Integer > () {
54 public Integer createNode() {
55 return Integer.valueOf (counter++);
56 }
57
58 private int counter = 1;
59 };
60 }
61 |
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