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Java > Open Source Codes > net > sourceforge > groboutils > codecoverage > v2 > util > ChecksumUtilUTest


1 /*
2  * @(#)ChecksumUtilUTest.java
3  *
4  * Copyright (C) 2002-2003 Matt Albrecht
5  * groboclown@users.sourceforge.net
6  * http://groboutils.sourceforge.net
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24  * DEALINGS IN THE SOFTWARE.
25  */
26
27 package net.sourceforge.groboutils.codecoverage.v2.util;
28
29 import java.util.zip.CRC32 JavaDoc;
30
31 import junit.framework.Test;
32 import junit.framework.TestCase;
33 import junit.framework.TestSuite;
34 import net.sourceforge.groboutils.autodoc.v1.AutoDoc;
35
36
37 /**
38  * Tests the ChecksumUtil class.
39  *
40  * @author Matt Albrecht <a HREF="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
41  * @version $Date: 2004/04/15 05:48:29 $
42  * @since Feb 4, 2002
43  */
44 public class ChecksumUtilUTest extends TestCase
45 {
46     //-------------------------------------------------------------------------
47 // Standard JUnit Class-specific declarations
48
49     private static final Class JavaDoc THIS_CLASS = ChecksumUtilUTest.class;
50     private static final AutoDoc DOC = new AutoDoc( THIS_CLASS );
51     
52     public ChecksumUtilUTest( String JavaDoc name )
53     {
54         super( name );
55     }
56
57
58
59     //-------------------------------------------------------------------------
60 // Tests
61
62     public void testGetInstance()
63     {
64         assertNotNull(
65             "getInstance must never return null.",
66             ChecksumUtil.getInstance() );
67     }
68     
69     
70     public void testNullBytes()
71     {
72         // should not throw an exception
73 CRC32 JavaDoc crc = new CRC32 JavaDoc();
74         assertEquals(
75             "null bytes CRC should match empty CRC.",
76             crc.getValue(),
77             ChecksumUtil.getInstance().checksum( (byte[])null ) );
78     }
79     
80     
81     public void testEmptyBytes()
82     {
83         CRC32 JavaDoc crc = new CRC32 JavaDoc();
84         assertEquals(
85             "null bytes CRC should match empty CRC.",
86             crc.getValue(),
87             ChecksumUtil.getInstance().checksum( new byte[0] ) );
88     }
89     
90     
91     public void testSimpleBytes()
92     {
93         byte b[] = "George Washington".getBytes();
94         CRC32 JavaDoc crc = new CRC32 JavaDoc();
95         crc.update( b, 0, b.length );
96         assertEquals(
97             "null bytes CRC should match empty CRC.",
98             crc.getValue(),
99             ChecksumUtil.getInstance().checksum( b ) );
100     }
101     
102     
103     
104     
105     //-------------------------------------------------------------------------
106 // Standard JUnit declarations
107
108     
109     public static Test suite()
110     {
111         TestSuite suite = new TestSuite( THIS_CLASS );
112         
113         return suite;
114     }
115     
116     public static void main( String JavaDoc[] args )
117     {
118         String JavaDoc[] name = { THIS_CLASS.getName() };
119         
120         // junit.textui.TestRunner.main( name );
121 // junit.swingui.TestRunner.main( name );
122
123         junit.textui.TestRunner.main( name );
124     }
125     
126     
127     /**
128      *
129      * @exception Exception thrown under any exceptional condition.
130      */
131     protected void setUp() throws Exception JavaDoc
132     {
133         super.setUp();
134         
135         // set ourself up
136 }
137     
138     
139     /**
140      *
141      * @exception Exception thrown under any exceptional condition.
142      */
143     protected void tearDown() throws Exception JavaDoc
144     {
145         // tear ourself down
146
147         
148         super.tearDown();
149     }
150 }
151
152
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