test/jdk/jdk/jfr/event/gc/configuration/GCYoungGenerationConfigurationEventTester.java

/*
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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
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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.event.gc.configuration;

import static jdk.test.lib.Asserts.assertGreaterThanOrEqual;

import java.util.List;

import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedEvent;
import jdk.test.lib.jfr.EventNames;
import jdk.test.lib.jfr.EventVerifier;
import jdk.test.lib.jfr.Events;

public abstract class GCYoungGenerationConfigurationEventTester {
    public void run() throws Exception {
        Recording recording = new Recording();
        recording.enable(EventNames.YoungGenerationConfiguration);
        recording.start();
        recording.stop();
        List<RecordedEvent> events = Events.fromRecording(recording);
        assertGreaterThanOrEqual(events.size(), 1, "Expected at least 1 event");
        EventVerifier v = createVerifier(events.get(0));
        v.verify();
    }

    protected abstract EventVerifier createVerifier(RecordedEvent e);
}