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1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
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14  * Copyright (C) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se>
15  * Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
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29 package org.jruby.test;
30
31 import junit.framework.TestCase;
32
33 import org.jruby.util.collections.IdentitySet;
34
35 public class TestIdentitySet extends TestCase {
36
37     public TestIdentitySet(String JavaDoc name) {
38         super(name);
39     }
40
41     public void testStoring() {
42         IdentitySet set = new IdentitySet();
43         String JavaDoc s1 = "hello";
44         String JavaDoc s2 = new String JavaDoc(s1);
45         String JavaDoc s3 = "some other string";
46
47         set.add(s1);
48         assertTrue(set.contains(s1));
49         assertTrue(! set.contains(s2));
50         assertTrue(! set.contains(s3));
51
52         set.add(s2);
53         assertTrue(set.contains(s1));
54         assertTrue(set.contains(s2));
55         assertTrue(! set.contains(s3));
56
57         set.remove(s2);
58         assertTrue(set.contains(s1));
59         assertTrue(! set.contains(s2));
60         assertTrue(! set.contains(s3));
61     }
62 }
63
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