HasNextChunk.java revision 17170:7b5027da67f7 
1/*
2 * Copyright (c) 2007, 2017, Oracle and/or its affiliates. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/* @test
25   @summary Test RiffReader hasNextChunk method
26   @modules java.desktop/com.sun.media.sound
27*/
28
29import java.io.File;
30import java.io.FileInputStream;
31import java.nio.file.Files;
32import java.nio.file.Paths;
33
34import com.sun.media.sound.RIFFReader;
35import com.sun.media.sound.RIFFWriter;
36
37public class HasNextChunk {
38
39    private static void assertEquals(Object a, Object b) throws Exception
40    {
41        if(!a.equals(b))
42            throw new RuntimeException("assertEquals fails!");
43    }
44
45    private static void assertTrue(boolean a) throws Exception
46    {
47        if(!a)
48            throw new RuntimeException("assertEquals fails!");
49    }
50
51    public static void main(String[] args) throws Exception {
52        RIFFWriter writer = null;
53        RIFFReader reader = null;
54        File tempfile = File.createTempFile("test",".riff");
55        try
56        {
57            writer = new RIFFWriter(tempfile, "TEST");
58            RIFFWriter chunk = writer.writeChunk("TSCH");
59            chunk.writeByte(10);
60            writer.close();
61            writer = null;
62            FileInputStream fis = new FileInputStream(tempfile);
63            reader = new RIFFReader(fis);
64            assertTrue(reader.hasNextChunk());
65            RIFFReader readchunk = reader.nextChunk();
66            readchunk.readByte();
67            readchunk.close();
68            assertTrue(!reader.hasNextChunk());
69            fis.close();
70            reader = null;
71        }
72        finally
73        {
74            if(writer != null)
75                writer.close();
76            if(reader != null)
77                reader.close();
78            Files.delete(Paths.get(tempfile.getAbsolutePath()));
79        }
80    }
81}
82