/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/* @test

   @summary Test ModelByteBuffer.RandomFileInputStream skip(long) method

   @modules java.desktop/com.sun.media.sound

*/

import java.io.File;

import java.io.FileOutputStream;

import java.io.InputStream;

import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class Skip {

    static float[] testarray;

    static byte[] test_byte_array;

    static File test_file;

    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);

    static void setUp() throws Exception {

        testarray = new float[1024];

        for (int i = 0; i < 1024; i++) {

            double ii = i / 1024.0;

            ii = ii * ii;

            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);

            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);

            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);

            testarray[i] *= 0.3;

        }

        test_byte_array = new byte[testarray.length*2];

        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);

        test_file = File.createTempFile("test", ".raw");

    }

    static void tearDown() throws Exception {

    }

    public static void main(String[] args) throws Exception {

        try

        {

            setUp();

            for (int i = 0; i < 8; i++) {

                ModelByteBuffer buff;

                if(i % 2 == 0)

                    buff = new ModelByteBuffer(test_file);

                else

                    buff = new ModelByteBuffer(test_byte_array);

                if((i / 2) == 1)

                    buff.subbuffer(5);

                if((i / 2) == 2)

                    buff.subbuffer(5,500);

                if((i / 2) == 3)

                    buff.subbuffer(5,600,true);

                long capacity = buff.capacity();

                InputStream is = buff.getInputStream();

                try

                {

                    int ret = is.available();

                    long n = is.skip(75);

                    if(n == -1)

                        throw new RuntimeException("is.read shouldn't return -1!");

                    if(is.available() != ret - n)

                        throw new RuntimeException(

                                "is.available() returns incorrect value ("

                                + is.available() + "!="+(ret - n)+") !");

                    ret = is.available();

                    n = is.skip(-100);

                    if(n != 0)

                        throw new RuntimeException("is.skip(-100) shouldn't skip values!");

                    if(is.available() != ret - n)

                        throw new RuntimeException(

                                "is.available() returns incorrect value ("

                                + is.available() + "!="+(ret - n)+") !");

                    ret = is.available();

                    n = is.skip(5000);

                    if(is.available() != ret - n)

                        throw new RuntimeException(

                                "is.available() returns incorrect value ("

                                + is.available() + "!="+(ret - n)+") !");

                    if(is.available() != 0)

                        throw new RuntimeException(

                                "is.available() returns incorrect value ("

                                + is.available() + "!="+(0)+") !");                }

                finally

                {

                    is.close();

                }

                if(buff.capacity() != capacity)

                    throw new RuntimeException("Capacity variable should not change!");

            }

        }

        finally

        {

            tearDown();

        }

    }

}