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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * accompanied this code).
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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");
            }
        }
    }
}