test/jdk/jdk/jfr/api/metadata/annotations/TestRegistered.java

/*
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 * 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,
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 *
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package jdk.jfr.api.metadata.annotations;

import jdk.jfr.Registered;
import jdk.test.lib.Asserts;
import jdk.jfr.Event;
import jdk.jfr.EventType;
import jdk.jfr.FlightRecorder;

/*
 * @test
 * @key jfr
 * @library /test/lib
 * @run main/othervm jdk.jfr.api.metadata.annotations.TestRegistered
 */
public class TestRegistered {

    static class RegisteredByDefaultEvent extends Event {
    }

    @Registered(false)
    static class NotRegisteredByDefaultEvent extends Event {
    }

    public static void main(String[] args) throws Exception {
        try {
            EventType.getEventType(NotRegisteredByDefaultEvent.class);
            throw new Exception("Should not be able to get event type from unregistered event type");
        } catch (IllegalStateException ise) {
            // as expected
        }
        EventType registered = EventType.getEventType(RegisteredByDefaultEvent.class);
        boolean registeredWorking = false;
        for (EventType type : FlightRecorder.getFlightRecorder().getEventTypes()) {
            if (registered.getId() == type.getId()) {
                registeredWorking = true;
            }
        }
        if (!registeredWorking) {
            Asserts.fail("Default regsitration is not working, can't validate @NoAutoRegistration");
        }
    }
}