1 /*
2 * Copyright (C) 2004 TiongHiang Lee
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * 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 * Email: thlee@onemindsoft.org
19 */
20
21 package org.onemind.commons.java.datastructure;
22
23 import junit.framework.TestCase;
24 /***
25 * Unit test for BiMap
26 * @author TiongHiang Lee (thlee@onemindsoft.org)
27 * @version $Id: BiMapTest.java,v 1.1 2004/09/29 02:45:36 thlee Exp $ $Name: $
28 */
29 public class BiMapTest extends TestCase
30 {
31
32 /***
33 * Test bimap functionality
34 * @throws Exception
35 */
36 public void testBiMap() throws Exception
37 {
38 BiMap biMap = new BiMap();
39 biMap.put("1", "one");
40 //assert values is correct
41 BiMap inverse = biMap.getInverse();
42 assertEquals("one", biMap.get("1"));
43 assertEquals("1", inverse.get("one"));
44 try
45 {
46 //test conflicts
47 biMap.put("2", "one");
48 throw new Exception("BiMap should not accept non-unique value");
49 } catch (IllegalArgumentException e)
50 {
51 //expected
52 }
53 //test insert different value
54 biMap.put("1", "two");
55 assertEquals("two", biMap.get("1"));
56 assertEquals("1", inverse.get("two"));
57 //test remove
58 biMap.remove("1");
59 assertEquals(biMap.get("1"), null);
60 assertEquals(inverse.get("one"), null);
61 }
62 }