/*

 * Copyright (c) 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.valuedescriptor;

import java.lang.annotation.ElementType;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.lang.annotation.Target;

import jdk.jfr.ContentType;

import jdk.jfr.Event;

import jdk.jfr.EventType;

import jdk.jfr.MetadataDefinition;

import jdk.jfr.ValueDescriptor;

import jdk.test.lib.Asserts;

 * @test

 * @summary Test ValueDescriptor.getContentType()

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestValueDescriptorContentType

 */

public class TestValueDescriptorContentType {

    @MetadataDefinition

    @ContentType

    @Retention(RetentionPolicy.RUNTIME)

    @Target({ ElementType.FIELD, ElementType.TYPE, ElementType.METHOD })

    static public @interface Hawaiian {

    }

    @MetadataDefinition

    @Retention(RetentionPolicy.RUNTIME)

    @Target({ ElementType.FIELD, ElementType.TYPE })

    static public @interface NotContentType {

    }

    @SuppressWarnings("unused")

    private static class AlohaEvent extends Event {

        @Hawaiian

        String greeting;

        String missing;

        @NotContentType

        String otherAnnotation;

    }

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

        EventType type = EventType.getEventType(AlohaEvent.class);

        // check field annotation on event value

        ValueDescriptor filter = type.getField("greeting");

        Asserts.assertEquals(filter.getContentType(), Hawaiian.class.getName());

        // check field annotation with missing content type

        ValueDescriptor missing = type.getField("missing");

        Asserts.assertEquals(missing.getContentType(), null);

        // check field annotation with annotation but not content type

        ValueDescriptor otherAnnotation = type.getField("otherAnnotation");

        Asserts.assertEquals(otherAnnotation.getContentType(), null);

    }

}