/*

 * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

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;

import javax.sound.sampled.Mixer;

/**

 * @test

 * @bug 5021234

 * @summary Using -2 for buffer size will fail retrieval of lines

 */

public class DataLineInfoNegBufferSize {

    /**

     * returns:

     * 0: OK

     * 1: IAE

     * 2: other exception

     * 3: line not available

     */

    public static int run(Mixer m, int bufferSize) {

        int res;

        int frameCount = 441000; // lets say 10 seconds

        AudioFormat f = new AudioFormat(44100.0f, 16, 2, true, false);

        Clip clip = null;

        try {

            System.out.println("Requesting clip from Mixer "

                               +(m==null?"default":m.toString())

                               +" with bufferSize"+bufferSize);

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

            if (m==null) {

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

            } else {

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

            }

            System.out.println("Got clip: "+clip+" with Buffer size "+clip.getBufferSize());

            res = 0;

        } catch (LineUnavailableException luae) {

            System.out.println(luae);

            res = 3; // line not available

        } catch (IllegalArgumentException iae) {

            System.out.println(iae);

            res = 1;

        } catch (Throwable t) {

            System.out.println("->Exception:"+t);

            t.printStackTrace();

            res=2; // other exception

        }

        return res;

    }

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

        if (isSoundcardInstalled()) {

            int res=0;

            int count = 0;

            Mixer.Info[] infos = AudioSystem.getMixerInfo();

            for (int i = -1; i<infos.length; i++) {

                try {

                    Mixer m;

                    if (i == -1) {

                        m = null;

                    } else {

                        m = AudioSystem.getMixer(infos[i]);

                    }

                    int r = run(m, AudioSystem.NOT_SPECIFIED);

                    // only continue if successful

                    if (r == 0) {

                        count++;

                        r = run(m, -2);

                        if (r == 1) {

                            // only fail if IAE was thrown

                            System.out.println("#FAILED: using -2 for buffer size does not work!");

                            res = 1;

                        }

                    }

                } catch (Exception e) {

                }

            }

            if (res!=1) {

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

            } else {

                if (count == 0) {

                    System.err.println("Test could not execute -- no suitable mixers installed. NOT failed");

                }

                throw new Exception("Test FAILED!");

            }

        }

    }

    /**

     * Returns true if at least one soundcard is correctly installed

     * on the system.

     */

    public static boolean isSoundcardInstalled() {

        boolean result = false;

        try {

            Mixer.Info[] mixers = AudioSystem.getMixerInfo();

            if (mixers.length > 0) {

                result = AudioSystem.getSourceDataLine(null) != null;

            }

        } catch (Exception e) {

            System.err.println("Exception occured: "+e);

        }

        if (!result) {

            System.err.println("Soundcard does not exist or sound drivers not installed!");

            System.err.println("This test requires sound drivers for execution.");

        }

        return result;

    }

}