1   /***
2    * Redistribution and use of this software and associated documentation
3    * ("Software"), with or without modification, are permitted provided
4    * that the following conditions are met:
5    *
6    * 1. Redistributions of source code must retain copyright
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8    *    copy of this document.
9    *
10   * 2. Redistributions in binary form must reproduce the
11   *    above copyright notice, this list of conditions and the
12   *    following disclaimer in the documentation and/or other
13   *    materials provided with the distribution.
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16   *    products derived from this Software without prior written
17   *    permission of Exoffice Technologies.  For written permission,
18   *    please contact tma@netspace.net.au.
19   *
20   * 4. Products derived from this Software may not be called "Exolab"
21   *    nor may "Exolab" appear in their names without prior written
22   *    permission of Exoffice Technologies. Exolab is a registered
23   *    trademark of Exoffice Technologies.
24   *
25   * 5. Due credit should be given to the Exolab Project
26   *    (http://www.exolab.org/).
27   *
28   * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
32   * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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37   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39   * OF THE POSSIBILITY OF SUCH DAMAGE.
40   *
41   * Copyright 2001-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: BytesMessageTest.java,v 1.5 2004/02/03 07:31:02 tanderson Exp $
44   */
45  package org.exolab.jmscts.test.message.copy;
46  
47  import java.util.Arrays;
48  
49  import javax.jms.BytesMessage;
50  
51  import junit.framework.Test;
52  
53  import org.exolab.jmscts.core.AbstractMessageTestCase;
54  import org.exolab.jmscts.core.MessagePopulator;
55  import org.exolab.jmscts.core.TestContext;
56  import org.exolab.jmscts.core.TestCreator;
57  
58  
59  /***
60   * This class tests that <code>BytesMessage</code> copies content
61   *
62   * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
63   * @version $Revision: 1.5 $
64   * @see javax.jms.BytesMessage
65   * @see AbstractMessageTestCase
66   * @see org.exolab.jmscts.core.MessageTestRunner
67   * @jmscts.message BytesMessage
68   */
69  public class BytesMessageTest extends AbstractMessageTestCase {
70  
71      /***
72       * Create an instance of this class for a specific test case
73       *
74       * @param name the name of test case
75       */
76      public BytesMessageTest(String name) {
77          super(name);
78      }
79  
80      /***
81       * Sets up the test suite
82       *
83       * @return an instance of this class that may be run by
84       * {@link org.exolab.jmscts.core.JMSTestRunner}
85       */
86      public static Test suite() {
87          return TestCreator.createMessageTest(BytesMessageTest.class);
88      }
89  
90      /***
91       * Get the message populator. This implementation always returns null
92       *
93       * @return null
94       */
95      public MessagePopulator getMessagePopulator() {
96          return null;
97      }
98  
99      /***
100      * Verifies that <code>BytesMessage.writeBytes(byte[])</code> takes a copy
101      * of the byte array.
102      *
103      * @jmscts.requirement message.copy
104      * @throws Exception for any error
105      */
106     public void testWriteBytesCopy() throws Exception {
107         final int size = 10;
108         TestContext context = getContext();
109         BytesMessage message = (BytesMessage) context.getMessage();
110 
111         byte[] bytes = new byte[size];
112         Arrays.fill(bytes, (byte) 0);
113         byte[] buffer = new byte[size];
114 
115         message.writeBytes(bytes);
116         message.reset();
117 
118         // ensure that the byte array was copied on write, by modifying the
119         // original
120         Arrays.fill(bytes, (byte) 1);
121         message.readBytes(buffer);
122         assertTrue("BytesMessage.writeBytes(byte[]) did not copy the array",
123                    !Arrays.equals(bytes, buffer));
124     }
125 
126     /***
127      * Verifies that <code>BytesMessage.writeBytes(byte[], int, int)</code>
128      * takes a copy of the byte array.
129      *
130      * @jmscts.requirement message.copy
131      * @throws Exception for any error
132      */
133     public void testPartialWriteBytesCopy() throws Exception {
134         final int size = 10;
135         TestContext context = getContext();
136         BytesMessage message = (BytesMessage) context.getMessage();
137 
138         byte[] bytes = new byte[size];
139         Arrays.fill(bytes, (byte) 0);
140         byte[] buffer = new byte[size];
141 
142         message.writeBytes(bytes, 1, size - 1);
143         message.reset();
144 
145         // ensure that the byte array was copied on write, by modifying the
146         // original
147         Arrays.fill(bytes, (byte) 1);
148         message.readBytes(buffer);
149         assertTrue("BytesMessage.writeBytes(byte[], int, int) did not copy "
150                    + "the array", !Arrays.equals(bytes, buffer));
151     }
152 
153 }
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