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Java > Open Source Codes > net > sf > retrotranslator > runtime > java > nio > _CharBufferTestCase


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package net.sf.retrotranslator.runtime.java.nio;
33
34 import java.nio.CharBuffer JavaDoc;
35 import junit.framework.TestCase;
36
37 /**
38  * @author Taras Puchko
39  */
40 public class _CharBufferTestCase extends TestCase {
41
42     public void testReadEmpty() throws Exception JavaDoc {
43         CharBuffer JavaDoc source = CharBuffer.wrap("");
44         assertEquals(-1, source.read(CharBuffer.allocate(10)));
45     }
46
47     public void testRead() throws Exception JavaDoc {
48         CharBuffer JavaDoc source = CharBuffer.wrap("abc");
49         CharBuffer JavaDoc target = CharBuffer.allocate(10);
50         assertEquals(3, source.read(target));
51         target.limit(target.position());
52         target.position(0);
53         assertEquals("abc", target.toString());
54     }
55
56     public void testReadLimited() throws Exception JavaDoc {
57         CharBuffer JavaDoc source = CharBuffer.wrap("abcdefgh");
58         CharBuffer JavaDoc target = CharBuffer.allocate(4);
59         assertEquals(4, source.read(target));
60         target.limit(target.position());
61         target.position(0);
62         assertEquals("abcd", target.toString());
63     }
64
65     public void testAppend() throws Exception JavaDoc {
66         CharBuffer JavaDoc buffer = CharBuffer.allocate(10);
67         buffer.append("abc").append("xyz", 1, 2).append('0');
68         buffer.limit(buffer.position());
69         buffer.position(0);
70         assertEquals("abcy0", buffer.toString());
71     }
72 }
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