/*

 * 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,

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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 /test/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");

    }

}