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Java > Open Source Codes > com > db4o > test > ObjectSetIDs


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.test;
22
23 import com.db4o.*;
24 import com.db4o.ext.*;
25 import com.db4o.query.*;
26
27 import db4ounit.*;
28
29 public class ObjectSetIDs {
30     
31     static final int COUNT = 11;
32     
33     public void store(){
34         Test.deleteAllInstances(this);
35         for (int i = 0; i < COUNT; i++) {
36             Test.store(new ObjectSetIDs());
37         }
38     }
39     
40     public void test(){
41         ExtObjectContainer con = Test.objectContainer();
42         Query q = Test.query();
43         q.constrain(this.getClass());
44         ObjectSet res = q.execute();
45         long[] ids1 = new long[res.size()];
46         int i =0;
47         while(res.hasNext()){
48             final long id = con.getID(res.next());
49             Assert.areNotEqual(0, id);
50             ids1[i++]=id;
51         }
52         Assert.areEqual(res.size(), i);
53         
54         //res.reset();
55 long[] ids2 = res.ext().getIDs();
56         
57         Assert.areEqual(COUNT, ids1.length);
58         Assert.areEqual(COUNT, ids2.length);
59         
60         for (int j = 0; j < ids1.length; j++) {
61             final long expected = ids1[j];
62             ArrayAssert.contains(ids2, expected);
63         }
64     }
65     
66     public static void main(String JavaDoc[] args) {
67         AllTests.run(ObjectSetIDs.class);
68     }
69 }
70
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