01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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: public class QueryForUnknownField {
26:
27: public String _name;
28:
29: public QueryForUnknownField() {
30: }
31:
32: public QueryForUnknownField(String name) {
33: _name = name;
34: }
35:
36: public void storeOne() {
37: _name = "name";
38: }
39:
40: public void test() {
41: Query q = Test.query();
42: q.constrain(QueryForUnknownField.class);
43: q.descend("_name").constrain("name");
44: Test.ensure(q.execute().size() == 1);
45:
46: q = Test.query();
47: q.constrain(QueryForUnknownField.class);
48: q.descend("name").constrain("name");
49: Test.ensure(q.execute().size() == 0);
50:
51: }
52:
53: }
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