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.db4ounit.common.header;
22:
23: import com.db4o.config.*;
24: import com.db4o.internal.*;
25:
26: import db4ounit.Assert;
27: import db4ounit.extensions.AbstractDb4oTestCase;
28: import db4ounit.extensions.fixtures.OptOutCS;
29:
30: public class SimpleTimeStampIdTestCase extends AbstractDb4oTestCase
31: implements OptOutCS {
32:
33: public static void main(String[] arguments) {
34: new SimpleTimeStampIdTestCase().runSolo();
35: }
36:
37: public static class STSItem {
38:
39: public String _name;
40:
41: public STSItem() {
42: }
43:
44: public STSItem(String name) {
45: _name = name;
46: }
47: }
48:
49: protected void configure(Configuration config) {
50: ObjectClass objectClass = config.objectClass(STSItem.class);
51: objectClass.generateUUIDs(true);
52: objectClass.generateVersionNumbers(true);
53: }
54:
55: protected void store() {
56: db().set(new STSItem("one"));
57: }
58:
59: public void test() throws Exception {
60: STSItem item = (STSItem) db().get(STSItem.class).next();
61:
62: long version = db().getObjectInfo(item).getVersion();
63: Assert.isGreater(0, version);
64: Assert.isGreaterOrEqual(version, currentVersion());
65:
66: reopen();
67:
68: STSItem item2 = new STSItem("two");
69: db().set(item2);
70:
71: long secondVersion = db().getObjectInfo(item2).getVersion();
72:
73: Assert.isGreater(version, secondVersion);
74: Assert.isGreaterOrEqual(secondVersion, currentVersion());
75: }
76:
77: private long currentVersion() {
78: return ((LocalObjectContainer) db()).currentVersion();
79: }
80: }
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