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

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 * 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

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package jdk.jfr.api.consumer.recordingstream;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.atomic.AtomicBoolean;

import java.util.function.Consumer;

import jdk.jfr.Event;

import jdk.jfr.consumer.RecordingStream;

/**

 * @test

 * @summary Tests RecordingStream::disable(...)

 * @key jfr

 * @requires vm.hasJFR

 * @library /test/lib

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

 */

public class TestDisable {

    private static class DisabledEvent extends Event {

    }

    private static class EnabledEvent extends Event {

    }

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

        testDisableWithClass();

        testDisableWithEventName();

    }

    private static void testDisableWithEventName() {

        test(r -> r.disable(DisabledEvent.class.getName()));

    }

    private static void testDisableWithClass() {

        test(r -> r.disable(DisabledEvent.class));

    }

    private static void test(Consumer<RecordingStream> disablement) {

        CountDownLatch twoEvent = new CountDownLatch(2);

        AtomicBoolean fail = new AtomicBoolean(false);

        try(RecordingStream r = new RecordingStream()) {

            r.onEvent(e -> {

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

                    fail.set(true);

                }

                twoEvent.countDown();

            });

            disablement.accept(r);

            r.startAsync();

            EnabledEvent e1 = new EnabledEvent();

            e1.commit();

            DisabledEvent d1 = new DisabledEvent();

            d1.commit();

            EnabledEvent e2 = new EnabledEvent();

            e2.commit();

            try {

                twoEvent.await();

            } catch (InterruptedException ie) {

                throw new RuntimeException("Unexpexpected interruption of thread", ie);

            }

            if (fail.get()) {

                throw new RuntimeException("Should not receive a disabled event");

            }

        }

    }

}