/*

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 * 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

 *

 * 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

 * @bug 6801206

 * @summary Tests that Clip sets frame position

 * @author Alex Menkov

 */

import javax.sound.sampled.AudioFormat;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.Clip;

import javax.sound.sampled.DataLine;

import javax.sound.sampled.LineUnavailableException;

public class ClipSetPos {

    final static AudioFormat audioFormat = new AudioFormat(44100f, 16, 2, true, true);

    final static int frameLength = 44100 * 2; // 2 seconds

    final static byte[] dataBuffer

            = new byte[frameLength * (audioFormat.getSampleSizeInBits()/8)

                       * audioFormat.getChannels()];

    final static int MAX_FRAME_DELTA = 20;

    public static void main(String[] args) {

        boolean testPassed = true;

        Clip clip = null;

        try {

            clip = (Clip)AudioSystem.getLine(new DataLine.Info(Clip.class, audioFormat));

            clip.open(audioFormat, dataBuffer, 0, dataBuffer.length);

        } catch (LineUnavailableException ex) {

            log(ex);

            log("Cannot test (this is not failure)");

            return;

        } catch (IllegalArgumentException ex) {

            log(ex);

            log("Cannot test (this is not failure)");

            return;

        }

        log("clip: " + clip.getClass().getName());

        int len = clip.getFrameLength();

        for (int pos=0; pos < len; pos += (len /100)) {

            clip.setFramePosition(pos);

            int curPos = clip.getFramePosition();

            if (Math.abs(pos - curPos) > MAX_FRAME_DELTA) {

                log("Tried to set pos to " + pos + ", but got back " + curPos);

                testPassed = false;

            } else {

                log("Sucessfully set pos to " + pos);

            }

        }

        clip.close();

        if (testPassed) {

            log("Test PASSED.");

        } else {

            log("Test FAILED.");

            throw new RuntimeException("Test FAILED (see log)");

        }

    }

    static void log(String s) {

        System.out.println(s);

    }

    static void log(Exception ex) {

        ex.printStackTrace(System.out);

    }

}