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Java > Open Source Codes > org > fjank > tests > DiskPerformanceTest


1 /* Open Source Java Caching Service
2  * Copyright (C) 2002 Frank Karlstrøm
3  * This library is free software; you can redistribute it and/or
4  * modify it under the terms of the GNU Lesser General Public
5  * License as published by the Free Software Foundation; either
6  * version 2.1 of the License, or (at your option) any later version.
7  *
8  * This library is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11  * Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public
14  * License along with this library; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  *
17  * The author can be contacted by email: fjankk@users.sourceforge.net
18  */
19 package org.fjank.tests;
20
21 import junit.framework.TestCase;
22
23 /**
24  * Test class used during optimization of the disk writing system.
25  * @author Frank Karlstrøm
26  *
27  */
28 public class DiskPerformanceTest extends TestCase {
29     public static void main(String JavaDoc[] args) {
30         junit.textui.TestRunner.run(DiskPerformanceTest.class);
31     }
32
33     public final void testSerialize() {
34 // try {
35 // CacheAccessFactory factory = CacheAccessFactory.getInstance();
36 // factory.defineRegion("region");
37 // CacheMap access = factory.getMapAccess("region");
38 // access.defineGroup("group");
39 // CacheImpl cache = CacheImpl.getCache(true);
40 // CacheRegion region = cache.getRegion("region");
41 // CacheGroup group = region.getGroup("group");
42 // CacheObject obj = new CacheObject("key", "ref", group, region, CacheImpl.getCache(true).getReferenceQueue());
43 // Attributes att = factory.getDefaultAttributes();
44 // att.setVersion(1234);
45 // obj.setAttributes(att);
46 // DiskCacheObject diskCacheObject = new DiskCacheObject(obj);
47 //
48 // CacheFileAdapter adap = new CacheFileAdapter(new File("C:/test.ser"));
49 // /*now everything is set up, and we serialize,
50 // * write to disk, read from disk and deserialize.
51 // * every point is measured,
52 // * and a final check is made to see that the object
53 // * still is "the same".
54 // * This test is not in the general tests, since
55 // * performance will vary so much from computer to computer,
56 // * its not a good idea to include this test in the general JUnit
57 // * tests.
58 // */
59 // int repeats = 100000;
60 // long[] positions = new long[repeats];
61 // Object[] localS = new Object[repeats];
62 // long time = System.currentTimeMillis();
63 // for (int i = 0; i < repeats; i++) {
64 // localS[i] = CacheFileAdapter.serialize(diskCacheObject);
65 // }
66 // System.out.println("serialize:" + (System.currentTimeMillis()-time));
67 // time = System.currentTimeMillis();
68 // for (int i = 0; i < repeats; i++) {
69 // positions[i]=adap.length();
70 // adap.append((byte[]) localS[i]);
71 // }
72 //
73 // System.out.println("write:" + (System.currentTimeMillis()-time));
74 // time = System.currentTimeMillis();
75 // for (int i = 0; i < repeats; i++) {
76 // localS[i]= adap.read(positions[i]);
77 // }
78 // System.out.println("read:" + (System.currentTimeMillis()-time));
79 // time = System.currentTimeMillis();
80 //
81 // //now convert the object back
82 // DiskCacheObject dco=null;
83 // for (int i = 0; i < repeats; i++) {
84 // dco= CacheFileAdapter.deSerialize((byte[]) localS[i]);
85 // }
86 // System.out.println("deserialize:" + (System.currentTimeMillis()-time));
87 //
88 // CacheObject cacheObject = dco.getCacheObject();
89 // assertEquals(obj, cacheObject);
90 // } catch (CacheException e) {
91 // e.printStackTrace();
92 // fail(e.getMessage());
93 // }
94 }
95 }
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