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

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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).
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package jdk.jfr.api.metadata.annotations;

import jdk.jfr.Event;
import jdk.jfr.EventType;
import jdk.jfr.Period;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.Events;

/**
 * @test
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main/othervm jdk.jfr.api.metadata.annotations.TestLabel
 */
public class TestPeriod {

    @Period("47 s")
    static class PeriodicEvent extends Event {
    }

    public static void main(String[] args) throws Exception {
        EventType periodicEvent = EventType.getEventType(PeriodicEvent.class);
        String defaultValue = Events.getSetting(periodicEvent, Period.NAME).getDefaultValue();
        Asserts.assertEQ(defaultValue, "47 s", "Incorrect default value for period");
    }
}