test/jdk/jdk/jfr/api/consumer/security/TestRecordingStream.java

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 * particular file as subject to the "Classpath" exception as provided
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package jdk.jfr.api.consumer.security;

import java.time.Instant;
import java.util.concurrent.CountDownLatch;

import jdk.jfr.consumer.RecordingStream;
import jdk.test.lib.jfr.EventNames;

/**
 * @test
 * @summary Tests that a RecordingStream works using only
 *          FlightRecordingPermission("accessFlightRecorder")
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 *
 * @run main/othervm/secure=java.lang.SecurityManager/java.security.policy=local-streaming.policy
 *      jdk.jfr.api.consumer.security.TestStreamingLocal
 */
public class TestRecordingStream {

    public static void main(String... args) throws Exception {
        CountDownLatch latch = new CountDownLatch(1);
        try (RecordingStream r = new RecordingStream()) {
            // Enable JVM event, no write permission needed
            r.enable(EventNames.JVMInformation);
            r.setStartTime(Instant.EPOCH);
            r.onEvent(EventNames.JVMInformation, e -> {
                latch.countDown();
            });
            r.startAsync();
            latch.await();
        }
    }
}