--- /dev/null 2016-10-24 21:41:02.000000000 +0300 +++ new/test/javax/sound/sampled/AudioSystem/ProviderCacheing.java 2016-10-24 21:41:02.000000000 +0300 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2003, 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 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); + } +}