test/jdk/jdk/jfr/api/consumer/recordingstream/TestEnable.java
author mgronlun
Fri, 17 May 2019 18:03:14 +0200
branchJEP-349-branch
changeset 57361 53dccc90a5be
child 58180 0a8943b4d0dd
permissions -rw-r--r--
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/*
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * 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.
 *
 * 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
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package jdk.jfr.api.consumer.recordingstream;

import java.util.concurrent.CountDownLatch;

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

/**
 * @test
 * @summary Tests RecordingStream::enable(...)
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestEnable
 */
public class TestEnable {

    @Enabled(false)
    private static class EnabledEvent extends Event {
    }

    public static void main(String... args) throws Exception {
        CountDownLatch event = new CountDownLatch(1);
        try (RecordingStream r = new RecordingStream()) {
            r.onEvent(e -> {
                event.countDown();
            });
            r.enable(EnabledEvent.class.getName());
            r.startAsync();
            EnabledEvent e = new EnabledEvent();
            e.commit();
            event.await();
        }
    }
}