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.*;
24: import com.db4o.query.*;
25:
26: public class QueryDeleted {
27:
28: public String name;
29:
30: public QueryDeleted() {
31: }
32:
33: public QueryDeleted(String name) {
34: this .name = name;
35: }
36:
37: public void store() {
38: Test.deleteAllInstances(this );
39: Test.store(new QueryDeleted("one"));
40: Test.store(new QueryDeleted("two"));
41: }
42:
43: public void test() {
44: Query q = Test.query();
45: q.constrain(QueryDeleted.class);
46: q.descend("name").constrain("one");
47: QueryDeleted qd = (QueryDeleted) q.execute().next();
48: Test.delete(qd);
49: checkCount(1);
50: Test.rollBack();
51: checkCount(2);
52: Test.delete(qd);
53: checkCount(1);
54: Test.commit();
55: checkCount(1);
56: }
57:
58: private void checkCount(int count) {
59: Query q = Test.query();
60: q.constrain(QueryDeleted.class);
61: ObjectSet res = q.execute();
62: Test.ensure(res.size() == count);
63: }
64:
65: }
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