GetFilePointer.java revision 829:b06c29386f63 
1/*
2 * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26/* @test
27   @summary Test RiffReader getFilePointer method */
28
29import java.io.File;
30import java.io.FileInputStream;
31
32import javax.sound.sampled.*;
33
34import com.sun.media.sound.*;
35
36public class GetFilePointer {
37
38    private static void assertEquals(Object a, Object b) throws Exception
39    {
40        if(!a.equals(b))
41            throw new RuntimeException("assertEquals fails!");
42    }
43
44    public static void main(String[] args) throws Exception {
45        RIFFWriter writer = null;
46        RIFFReader reader = null;
47        File tempfile = File.createTempFile("test",".riff");
48        try
49        {
50            writer = new RIFFWriter(tempfile, "TEST");
51            RIFFWriter chunk = writer.writeChunk("TSCH");
52            chunk.writeByte(10);
53            writer.close();
54            writer = null;
55            FileInputStream fis = new FileInputStream(tempfile);
56            reader = new RIFFReader(fis);
57            RIFFReader readchunk = reader.nextChunk();
58            long p = readchunk.getFilePointer();
59            readchunk.readByte();
60            assertEquals(p+1,readchunk.getFilePointer());
61            fis.close();
62            reader = null;
63
64
65        }
66        finally
67        {
68            if(writer != null)
69                writer.close();
70            if(reader != null)
71                reader.close();
72
73            if(tempfile.exists())
74                if(!tempfile.delete())
75                    tempfile.deleteOnExit();
76        }
77    }
78}
79