SubbufferLong.java revision 8729:0242fce0f717 
1/*
2 * Copyright (c) 2007, 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 ModelByteBuffer subbuffer(long) method */
26
27import java.io.File;
28import java.io.FileOutputStream;
29
30import javax.sound.sampled.*;
31
32import com.sun.media.sound.*;
33
34public class SubbufferLong {
35
36    static float[] testarray;
37    static byte[] test_byte_array;
38    static File test_file;
39    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
40
41    static void setUp() throws Exception {
42        testarray = new float[1024];
43        for (int i = 0; i < 1024; i++) {
44            double ii = i / 1024.0;
45            ii = ii * ii;
46            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
47            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
48            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
49            testarray[i] *= 0.3;
50        }
51        test_byte_array = new byte[testarray.length*2];
52        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
53        test_file = File.createTempFile("test", ".raw");
54        FileOutputStream fos = new FileOutputStream(test_file);
55        fos.write(test_byte_array);
56    }
57
58    static void tearDown() throws Exception {
59        if(!test_file.delete())
60            test_file.deleteOnExit();
61    }
62
63    public static void main(String[] args) throws Exception {
64        try
65        {
66            setUp();
67
68            for (int i = 0; i < 2; i++) {
69                ModelByteBuffer buff;
70                if(i == 0)
71                    buff = new ModelByteBuffer(test_file);
72                else
73                    buff = new ModelByteBuffer(test_byte_array);
74
75                ModelByteBuffer buff2 = buff.subbuffer(10);
76                if(buff2.getFilePointer() != buff.getFilePointer())
77                    throw new RuntimeException("buff2.getFilePointer() incorreect!");
78                if(buff2.arrayOffset() != 10)
79                    throw new RuntimeException("buff2.arrayOffset() not 10!");
80                if(buff2.capacity() != buff.capacity()-10)
81                    throw new RuntimeException("buff2.capacity() not correct!");
82            }
83        }
84        finally
85        {
86            tearDown();
87        }
88    }
89
90}
91