Read.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.RandomFileInputStream read() method */
26
27import java.io.File;
28import java.io.FileOutputStream;
29import java.io.IOException;
30import java.io.InputStream;
31
32import javax.sound.sampled.*;
33
34import com.sun.media.sound.*;
35
36public class Read {
37
38    static float[] testarray;
39    static byte[] test_byte_array;
40    static File test_file;
41    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
42
43    static void setUp() throws Exception {
44        testarray = new float[1024];
45        for (int i = 0; i < 1024; i++) {
46            double ii = i / 1024.0;
47            ii = ii * ii;
48            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
49            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
50            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
51            testarray[i] *= 0.3;
52        }
53        test_byte_array = new byte[testarray.length*2];
54        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
55        test_file = File.createTempFile("test", ".raw");
56        FileOutputStream fos = new FileOutputStream(test_file);
57        fos.write(test_byte_array);
58    }
59
60    static void tearDown() throws Exception {
61        if(!test_file.delete())
62            test_file.deleteOnExit();
63    }
64
65    public static void main(String[] args) throws Exception {
66        try
67        {
68            setUp();
69
70            for (int i = 0; i < 8; i++) {
71                ModelByteBuffer buff;
72                if(i % 2 == 0)
73                    buff = new ModelByteBuffer(test_file);
74                else
75                    buff = new ModelByteBuffer(test_byte_array);
76                if((i / 2) == 1)
77                    buff.subbuffer(5);
78                if((i / 2) == 2)
79                    buff.subbuffer(5,500);
80                if((i / 2) == 3)
81                    buff.subbuffer(5,600,true);
82
83                long capacity = buff.capacity();
84                InputStream is = buff.getInputStream();
85                try
86                {
87                    byte[] b = new byte[100];
88                    int ret = is.available();
89                    int n = is.read();
90                    if(n == -1)
91                        throw new RuntimeException("is.read shouldn't return -1!");
92                    if(is.available() != ret - 1)
93                        throw new RuntimeException(
94                                "is.available() returns incorrect value ("
95                                + is.available() + "!="+(ret - 1)+") !");
96                    is.skip(5000);
97                    if(is.read() != -1)
98                        throw new RuntimeException(
99                                "is.read() doesn't return -1!");
100                }
101                finally
102                {
103                    is.close();
104                }
105                if(buff.capacity() != capacity)
106                    throw new RuntimeException("Capacity variable should not change!");
107            }
108        }
109        finally
110        {
111            tearDown();
112        }
113    }
114
115}
116