/*

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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

 * 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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 */

import java.util.List;

import com.sun.media.sound.JDK13Services;

/**

 * @test

 * @bug 4776511

 * @summary RFE: Setting the default MixerProvider. Test the cacheing of

 *          providers.

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

 */

public class ProviderCacheing {

    private static final Class[] providerClasses = {

        javax.sound.sampled.spi.AudioFileReader.class,

        javax.sound.sampled.spi.AudioFileWriter.class,

        javax.sound.sampled.spi.FormatConversionProvider.class,

        javax.sound.sampled.spi.MixerProvider.class,

    };

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

        boolean allCached = true;

        for (int i = 0; i < providerClasses.length; i++) {

            List list0 = JDK13Services.getProviders(providerClasses[i]);

            List list1 = JDK13Services.getProviders(providerClasses[i]);

            if (list0 == list1) {

                out("Providers should not be cached for " + providerClasses[i]);

                allCached = false;

            }

        }

        if (! allCached) {

            throw new Exception("Test failed");

        } else {

            out("Test passed");

        }

    }

    private static void out(String message) {

        System.out.println(message);

    }

}