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Java > Open Source Codes > com > db4o > db4ounit > jre11 > assorted > StoreNumberTestCase


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.jre11.assorted;
22
23 import com.db4o.*;
24 import com.db4o.query.*;
25
26 import db4ounit.*;
27 import db4ounit.extensions.*;
28
29 public class StoreNumberTestCase extends AbstractDb4oTestCase {
30
31     private static final int NUMENTRIES = 5;
32
33     public static class Data {
34         public Number JavaDoc _number;
35
36         public Data(int value) {
37             this._number = new Integer JavaDoc(value);
38         }
39     }
40
41     protected void store() throws Exception JavaDoc {
42         for(int i=0;i<NUMENTRIES;i++) {
43             db().set(new Data(i));
44         }
45     }
46
47     public void _testRetrieveAll() {
48         Query query=db().query();
49         query.constrain(Data.class);
50         ObjectSet result=query.execute();
51         Assert.areEqual(NUMENTRIES,result.size());
52         while(result.hasNext()) {
53             Data data=(Data)result.next();
54             Assert.isNotNull(data._number);
55         }
56     }
57
58     public void _testRetrieveNumber() {
59         Query query=db().query();
60         query.constrain(Data.class);
61         query.descend("_number").constrain(new Integer JavaDoc(0));
62         ObjectSet result=query.execute();
63         Assert.areEqual(1,result.size());
64     }
65 }
66
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