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

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package jdk.jfr.api.consumer.recordingstream;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.atomic.AtomicBoolean;

import jdk.jfr.Event;

import jdk.jfr.consumer.RecordingStream;

/**

 * @test

 * @summary Tests that events are not emitted in handlers

 * @key jfr

 * @requires vm.hasJFR

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestRecursive

 */

public class TestRecursive {

    static class NotRecorded extends Event {

    }

    static class Recorded extends Event {

    }

    public static void main(String... args) throws Exception {

        CountDownLatch latchOne = new CountDownLatch(1);

        CountDownLatch latchTwo = new CountDownLatch(2);

        AtomicBoolean fail = new AtomicBoolean();

        try (RecordingStream r = new RecordingStream()) {

            r.onEvent(e -> {

                System.out.println(e);

                NotRecorded event = new NotRecorded();

                event.commit();

                if (e.getEventType().getName().equals(Recorded.class.getName())) {

                    latchOne.countDown();

                    latchTwo.countDown();

                }

                if (e.getEventType().getName().equals(NotRecorded.class.getName())) {

                    fail.set(true);

                }

            });

            r.startAsync();

            Recorded e1 = new Recorded();

            e1.commit();

            latchOne.await();

            Recorded e2 = new Recorded();

            e2.commit();

            latchTwo.await();

            if (fail.get()) {

                throw new Exception("Unexpected event found");

            }

        }

    }

}