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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * 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.

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 * 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

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package jdk.jfr.api.consumer;

import java.util.List;

import jdk.jfr.Description;

import jdk.jfr.Event;

import jdk.jfr.Recording;

import jdk.jfr.consumer.RecordedEvent;

import jdk.test.lib.Asserts;

import jdk.test.lib.jfr.Events;

/*

 * @test

 * @summary Verifies that a single JFR event is recorded as expected

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.consumer.TestSingleRecordedEvent

 */

public class TestSingleRecordedEvent {

    @Description("MyDescription")

    private static class MyEvent extends Event {

    }

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

        Recording r = new Recording();

        r.start();

        // Commit a single event to the recording

        MyEvent event = new MyEvent();

        event.commit();

        r.stop();

        List<RecordedEvent> events = Events.fromRecording(r);

        Events.hasEvents(events);

        // Should be 1 event only

        Asserts.assertEquals(events.size(), 1);

        RecordedEvent recordedEvent = events.get(0);

        // Event description should be the same

        Asserts.assertEquals(recordedEvent.getEventType().getDescription(), "MyDescription");

    }

}