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


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.query.*;
24
25
26 public class QueryForUnknownField {
27     
28     public String JavaDoc _name;
29     
30     public QueryForUnknownField(){
31     }
32     
33     public QueryForUnknownField(String JavaDoc name){
34         _name = name;
35     }
36     
37     public void storeOne(){
38         _name = "name";
39     }
40     
41     public void test(){
42         Query q = Test.query();
43         q.constrain(QueryForUnknownField.class);
44         q.descend("_name").constrain("name");
45         Test.ensure(q.execute().size() == 1);
46         
47         q = Test.query();
48         q.constrain(QueryForUnknownField.class);
49         q.descend("name").constrain("name");
50         Test.ensure(q.execute().size() == 0);
51         
52         
53     }
54
55     
56     
57
58 }
59
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