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

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 * 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).

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 * 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,

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import javax.sound.sampled.AudioFormat;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.Clip;

import javax.sound.sampled.DataLine;

/*

 * @test

 * @bug 5070081

 * @summary Tests that javax.sound.sampled.Clip does not loses position through

 *          stop/start

 * @key headful

 */

public class bug5070081 {

    static AudioFormat format = new AudioFormat(22050, 8, 1, false, false);

    // create a 3-second file

    static byte[] soundData = new byte[(int) (format.getFrameRate() * format.getFrameSize() * 3)];

    static final int LOOP_COUNT = 5;

    static boolean test() throws Exception {

        DataLine.Info info = new DataLine.Info(Clip.class, format);

        Clip clip = (Clip)AudioSystem.getLine(info);

        clip.open(format, soundData, 0, soundData.length);

        boolean bSuccess = true;

        long nLengthMS = clip.getMicrosecondLength()/1000;

        System.out.println("  Clip length:");

        System.out.println("    frames: " + clip.getFrameLength());

        System.out.println("    seconds: " + nLengthMS/1000.0);

        clip.start();                               // start playing

        Thread.sleep(1000);                         // wait a sec

        long pos1 = clip.getFramePosition();        // store the position

        clip.stop();                                // and then stop

        long pos2 = clip.getFramePosition();        // 2nd try

        System.out.println("  Position after stop: " + pos2);

        // add 50 ms for deviation (delay for stopping and errors due timer precision)

        if (nDerivation > 50) {

            System.out.println("  ERROR(1): The deviation is too much: " + nDerivation + " ms");

            bSuccess = false;

        }

        Thread.sleep(1000);

        clip.start();                               // start again

        Thread.sleep(100);

        while(clip.isRunning());                    // wait for the sound to finish

        int nEndPos = clip.getFramePosition();

        System.out.println("  Position at end: " + nEndPos);

        if (nEndPos > clip.getFrameLength()) {

            System.out.println("  ERROR(2): end position if out of range");

            bSuccess = false;

        }

        clip.close();

        return bSuccess;

    }

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

        for (int count=1; count <= LOOP_COUNT; count++)

        {

            System.out.println("loop " + count + "/" + LOOP_COUNT);

            if (!test())

            {

                System.out.println("Test FAILED");

                throw new RuntimeException("Test FAILED.");

            }

        }

        System.out.println("Test passed sucessfully");

    }

}