test/jdk/jdk/jfr/api/consumer/TestMethodGetModifiers.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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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
 * 2 along with this work; if not, write to the Free Software Foundation,
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package jdk.jfr.api.consumer;

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

import java.util.List;

import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedClass;
import jdk.jfr.consumer.RecordedEvent;
import jdk.jfr.consumer.RecordedFrame;
import jdk.jfr.consumer.RecordedMethod;
import jdk.jfr.consumer.RecordedStackTrace;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.Events;
import jdk.test.lib.jfr.SimpleEvent;


/*
 * @test
 * @key jfr
 * @library /test/lib
 * @run main/othervm -Xint jdk.jfr.api.consumer.TestMethodGetModifiers
 */
public final class TestMethodGetModifiers {

    public static void main(String[] args) throws Throwable {
        Recording recording = new Recording();
        recording.start();

        SimpleEvent ev = new SimpleEvent();
        ev.commit();
        recording.stop();

        List<RecordedEvent> recordedEvents = Events.fromRecording(recording);
        Events.hasEvents(recordedEvents);
        RecordedEvent recordedEvent = recordedEvents.get(0);

        System.out.println("recorded event:" + recordedEvent);

        RecordedStackTrace stacktrace = recordedEvent.getStackTrace();
        List<RecordedFrame> frames = stacktrace.getFrames();
        for (RecordedFrame frame : frames) {
            RecordedMethod method = frame.getMethod();
            if (method.getName().equals("main")) {
                System.out.println("'main' method: " + method);
                int modifiers = TestMethodGetModifiers.class.getDeclaredMethod("main", (Class<?>)String[].class).getModifiers();
                System.out.println("modifiers: " + modifiers);
                Asserts.assertEquals(method.getModifiers(), modifiers, "Incorrect method modifier reported");
                RecordedClass type = method.getType();
                assertNotNull(type, "Recorded class can not be null");
            }

        }
    }

}