1/*
2 * Copyright (c) 2007, 2016, 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 skip(long) method
26   @modules java.desktop/com.sun.media.sound
27*/
28
29import java.io.File;
30import java.io.FileOutputStream;
31import java.io.InputStream;
32import java.nio.file.Files;
33import java.nio.file.Paths;
34
35import javax.sound.sampled.*;
36
37import com.sun.media.sound.*;
38
39public class Skip {
40
41    static float[] testarray;
42    static byte[] test_byte_array;
43    static File test_file;
44    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
45
46    static void setUp() throws Exception {
47        testarray = new float[1024];
48        for (int i = 0; i < 1024; i++) {
49            double ii = i / 1024.0;
50            ii = ii * ii;
51            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
52            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
53            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
54            testarray[i] *= 0.3;
55        }
56        test_byte_array = new byte[testarray.length*2];
57        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
58        test_file = File.createTempFile("test", ".raw");
59        try (FileOutputStream fos = new FileOutputStream(test_file)) {
60            fos.write(test_byte_array);
61        }
62    }
63
64    static void tearDown() throws Exception {
65        Files.delete(Paths.get(test_file.getAbsolutePath()));
66    }
67
68    public static void main(String[] args) throws Exception {
69        try
70        {
71            setUp();
72
73            for (int i = 0; i < 8; i++) {
74                ModelByteBuffer buff;
75                if(i % 2 == 0)
76                    buff = new ModelByteBuffer(test_file);
77                else
78                    buff = new ModelByteBuffer(test_byte_array);
79                if((i / 2) == 1)
80                    buff.subbuffer(5);
81                if((i / 2) == 2)
82                    buff.subbuffer(5,500);
83                if((i / 2) == 3)
84                    buff.subbuffer(5,600,true);
85
86                long capacity = buff.capacity();
87                InputStream is = buff.getInputStream();
88                try
89                {
90                    int ret = is.available();
91                    long n = is.skip(75);
92                    if(n == -1)
93                        throw new RuntimeException("is.read shouldn't return -1!");
94                    if(is.available() != ret - n)
95                        throw new RuntimeException(
96                                "is.available() returns incorrect value ("
97                                + is.available() + "!="+(ret - n)+") !");
98
99                    ret = is.available();
100                    n = is.skip(-100);
101                    if(n != 0)
102                        throw new RuntimeException("is.skip(-100) shouldn't skip values!");
103                    if(is.available() != ret - n)
104                        throw new RuntimeException(
105                                "is.available() returns incorrect value ("
106                                + is.available() + "!="+(ret - n)+") !");
107
108                    ret = is.available();
109                    n = is.skip(5000);
110                    if(is.available() != ret - n)
111                        throw new RuntimeException(
112                                "is.available() returns incorrect value ("
113                                + is.available() + "!="+(ret - n)+") !");
114                    if(is.available() != 0)
115                        throw new RuntimeException(
116                                "is.available() returns incorrect value ("
117                                + is.available() + "!="+(0)+") !");                }
118                finally
119                {
120                    is.close();
121                }
122                if(buff.capacity() != capacity)
123                    throw new RuntimeException("Capacity variable should not change!");
124            }
125        }
126        finally
127        {
128            tearDown();
129        }
130    }
131
132}
133