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Java > Open Source Codes > com > db4o > db4ounit > common > foundation > Queue4TestCase


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 package com.db4o.db4ounit.common.foundation;
22
23 import com.db4o.foundation.*;
24
25 import db4ounit.*;
26
27 public class Queue4TestCase implements TestCase {
28
29     public void testIterator() {
30         Queue4 queue=new Queue4();
31         String JavaDoc[] data={"a","b","c","d"};
32         for (int idx = 0; idx < data.length; idx++) {
33             assertIterator(queue, data, idx);
34             queue.add(data[idx]);
35             assertIterator(queue, data, idx+1);
36         }
37     }
38
39     private void assertIterator(Queue4 queue, String JavaDoc[] data,int size) {
40         Iterator4 iter=queue.iterator();
41         for (int idx = 0; idx < size; idx++) {
42             Assert.isTrue(iter.moveNext(),"should be able to move in iteration #"+idx+" of "+size);
43             Assert.areEqual(data[idx],iter.current());
44         }
45         Assert.isFalse(iter.moveNext());
46     }
47     
48 }
49
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