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.jre11.events;
22:
23: import com.db4o.events.*;
24: import com.db4o.query.Query;
25:
26: import db4ounit.Assert;
27: import db4ounit.extensions.AbstractDb4oTestCase;
28:
29: public class EventRegistryTestCase extends AbstractDb4oTestCase {
30:
31: public void testForObjectContainerReturnsSameInstance() {
32: Assert.areSame(EventRegistryFactory.forObjectContainer(db()),
33: EventRegistryFactory.forObjectContainer(db()));
34: }
35:
36: public void testQueryEvents() {
37:
38: EventRegistry registry = EventRegistryFactory
39: .forObjectContainer(db());
40:
41: EventRecorder recorder = new EventRecorder(fileSession().lock());
42:
43: registry.queryStarted().addListener(recorder);
44: registry.queryFinished().addListener(recorder);
45:
46: Query q = db().query();
47: Assert.areEqual(0, recorder.size());
48: q.execute();
49: Assert.areEqual(2, recorder.size());
50: EventRecord e1 = recorder.get(0);
51: Assert.areSame(registry.queryStarted(), e1.e);
52: Assert.areSame(q, ((QueryEventArgs) e1.args).query());
53:
54: EventRecord e2 = recorder.get(1);
55: Assert.areSame(registry.queryFinished(), e2.e);
56: Assert.areSame(q, ((QueryEventArgs) e2.args).query());
57:
58: recorder.clear();
59:
60: registry.queryStarted().removeListener(recorder);
61: registry.queryFinished().removeListener(recorder);
62:
63: db().query().execute();
64:
65: Assert.areEqual(0, recorder.size());
66: }
67: }
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