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


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 java.util.*;
24
25 import com.db4o.*;
26 import com.db4o.query.*;
27
28
29 public class ObjectSetAsList {
30     
31     public String JavaDoc name;
32     
33     public ObjectSetAsList(){
34     }
35     
36     public ObjectSetAsList(String JavaDoc name){
37         this.name = name;
38     }
39     
40     public void store(){
41         Test.deleteAllInstances(this);
42         Test.store(new ObjectSetAsList("one"));
43         Test.store(new ObjectSetAsList("two"));
44         Test.store(new ObjectSetAsList("three"));
45     }
46     
47     public void testContent(){
48         Query q = Test.query();
49         q.constrain(ObjectSetAsList.class);
50         List list = q.execute();
51         Test.ensure(list.size() == 3);
52         Iterator i = list.iterator();
53         boolean found = false;
54         while(i.hasNext()){
55             ObjectSetAsList osil = (ObjectSetAsList)i.next();
56             if(osil.name.equals("two")){
57                 found = true;
58             }
59         }
60         Test.ensure(found);
61     }
62
63     public void testAccessOrder() {
64         Query query=Test.query();
65         query.constrain(getClass());
66         ObjectSet result=query.execute();
67         Test.ensureEquals(3,result.size());
68         for(int i=0;i<3;i++) {
69             Test.ensure(result.get(i)==result.next());
70         }
71         Test.ensure(!result.hasNext());
72     }
73 }
74
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