MarkReset.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 ModelByteBuffer.RandomFileInputStream mark and reset methods */
28
29import java.io.File;
30import java.io.FileOutputStream;
31import java.io.IOException;
32import java.io.InputStream;
33
34import javax.sound.sampled.*;
35
36import com.sun.media.sound.*;
37
38public class MarkReset {
39
40    static float[] testarray;
41    static byte[] test_byte_array;
42    static File test_file;
43    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
44
45    static void setUp() throws Exception {
46        testarray = new float[1024];
47        for (int i = 0; i < 1024; i++) {
48            double ii = i / 1024.0;
49            ii = ii * ii;
50            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
51            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
52            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
53            testarray[i] *= 0.3;
54        }
55        test_byte_array = new byte[testarray.length*2];
56        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
57        test_file = File.createTempFile("test", ".raw");
58        FileOutputStream fos = new FileOutputStream(test_file);
59        fos.write(test_byte_array);
60    }
61
62    static void tearDown() throws Exception {
63        if(!test_file.delete())
64            test_file.deleteOnExit();
65    }
66
67    public static void main(String[] args) throws Exception {
68        try
69        {
70            setUp();
71
72            for (int i = 0; i < 8; i++) {
73                ModelByteBuffer buff;
74                if(i % 2 == 0)
75                    buff = new ModelByteBuffer(test_file);
76                else
77                    buff = new ModelByteBuffer(test_byte_array);
78                if((i / 2) == 1)
79                    buff.subbuffer(5);
80                if((i / 2) == 2)
81                    buff.subbuffer(5,500);
82                if((i / 2) == 3)
83                    buff.subbuffer(5,600,true);
84
85                long capacity = buff.capacity();
86                InputStream is = buff.getInputStream();
87                try
88                {
89                    is.mark(1000);
90                    int ret = is.available();
91                    int a = is.read();
92                    is.skip(75);
93                    is.reset();
94                    if(is.available() != ret)
95                        throw new RuntimeException(
96                                "is.available() returns incorrect value ("
97                                + is.available() + "!="+(ret)+") !");
98                    int b = is.read();
99                    if(a != b)
100                        throw new RuntimeException(
101                                "is doesn't return same value after reset ("
102                                + a + "!="+b+") !");
103
104                    is.skip(15);
105                    ret = is.available();
106                    is.mark(1000);
107                    is.reset();
108                    if(is.available() != ret)
109                        throw new RuntimeException(
110                                "is.available() returns incorrect value ("
111                                + is.available() + "!="+(ret)+") !");
112
113
114                }
115                finally
116                {
117                    is.close();
118                }
119                if(buff.capacity() != capacity)
120                    throw new RuntimeException("Capacity variable should not change!");
121            }
122        }
123        finally
124        {
125            tearDown();
126        }
127    }
128
129}
130