--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/api/metadata/annotations/TestExperimental.java 2019-02-08 18:32:53.249563341 +0300 @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2015, 2018, 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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. + */ + +package jdk.jfr.api.metadata.annotations; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +import jdk.jfr.AnnotationElement; +import jdk.jfr.Event; +import jdk.jfr.EventType; +import jdk.jfr.Experimental; +import jdk.jfr.MetadataDefinition; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.Events; + +/** + * @test + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.metadata.annotations.TestExperimental + */ +public class TestExperimental { + + @MetadataDefinition + @Experimental + @Target({ ElementType.TYPE }) + @Retention(RetentionPolicy.RUNTIME) + @interface ExperimentalAnnotation { + } + + @ExperimentalAnnotation + @Experimental + static class ExperimentalEvent extends Event { + @Experimental + boolean experimentalField; + } + + public static void main(String[] args) throws Exception { + EventType t = EventType.getEventType(ExperimentalEvent.class); + + // @Experimental on event + Experimental e = t.getAnnotation(Experimental.class); + Asserts.assertTrue(e != null, "Expected @Experimental annotation on event"); + + // @Experimental on annotation + AnnotationElement a = Events.getAnnotationByName(t, ExperimentalAnnotation.class.getName()); + e = a.getAnnotation(Experimental.class); + Asserts.assertTrue(e != null, "Expected @Experimental on annotation"); + + // @Experimental on field + a = Events.getAnnotation(t.getField("experimentalField"), Experimental.class); + Asserts.assertTrue(e != null, "Expected @Experimental on field"); + } +}