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.cs;
22:
23: import com.db4o.*;
24: import com.db4o.config.*;
25: import com.db4o.internal.*;
26: import com.db4o.internal.cs.*;
27: import com.db4o.io.*;
28:
29: import db4ounit.*;
30:
31: public class ClientTransactionPoolTestCase implements TestLifeCycle {
32:
33: public void testPool() {
34: Configuration config = Db4o.newConfiguration();
35: config.io(new MemoryIoAdapter());
36: final LocalObjectContainer db = (LocalObjectContainer) Db4o
37: .openFile(config,
38: SwitchingFilesFromClientUtil.MAINFILE_NAME);
39: final ClientTransactionPool pool = new ClientTransactionPool(db);
40: try {
41: Assert.areEqual(1, pool.openFileCount());
42: Transaction trans1 = pool
43: .acquire(SwitchingFilesFromClientUtil.MAINFILE_NAME);
44: Assert.areEqual(db, trans1.container());
45: Assert.areEqual(1, pool.openFileCount());
46: Transaction trans2 = pool
47: .acquire(SwitchingFilesFromClientUtil.FILENAME_A);
48: Assert.areNotEqual(db, trans2.container());
49: Assert.areEqual(2, pool.openFileCount());
50: Transaction trans3 = pool
51: .acquire(SwitchingFilesFromClientUtil.FILENAME_A);
52: Assert.areEqual(trans2.container(), trans3.container());
53: Assert.areEqual(2, pool.openFileCount());
54: pool.release(trans3, true);
55: Assert.areEqual(2, pool.openFileCount());
56: pool.release(trans2, true);
57: Assert.areEqual(1, pool.openFileCount());
58: pool.release(trans1, true);
59: Assert.areEqual(1, pool.openFileCount());
60: } finally {
61: Assert.isFalse(db.isClosed());
62: Assert.isFalse(pool.isClosed());
63: pool.close();
64: Assert.isTrue(db.isClosed());
65: Assert.isTrue(pool.isClosed());
66: Assert.areEqual(0, pool.openFileCount());
67: }
68: }
69:
70: public void setUp() throws Exception {
71: SwitchingFilesFromClientUtil.deleteFiles();
72: }
73:
74: public void tearDown() throws Exception {
75: SwitchingFilesFromClientUtil.deleteFiles();
76: }
77: }
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