test/jdk/jdk/jfr/api/consumer/recordingstream/TestStoppedRecording.java
author egahlin
Fri, 22 Nov 2019 17:20:43 +0100
changeset 59226 a0f39cc47387
permissions -rw-r--r--
8233700: EventStream not closed Reviewed-by: mgronlun, mseledtsov

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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 jdk.jfr.Event;
import jdk.jfr.FlightRecorder;
import jdk.jfr.consumer.RecordingStream;

/**
 * @test
 * @summary Tests that a RecordingStream is closed if the underlying Recording
 *          is stopped.
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestStoppedRecording
 */
public class TestStoppedRecording {

    private static final class StopEvent extends Event {
    }

    public static void main(String... args) throws Exception {
        CountDownLatch latch = new CountDownLatch(1);
        try (RecordingStream rs = new RecordingStream()) {
            rs.onEvent(e -> {
                FlightRecorder.getFlightRecorder().getRecordings().get(0).stop();
            });
            rs.onClose(() -> {
                latch.countDown();
            });
            rs.startAsync();
            StopEvent stop = new StopEvent();
            stop.commit();
            latch.await();
        }
    }
}