/*

 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.jfr.api.event;

import java.util.List;

import jdk.jfr.Recording;

import jdk.jfr.consumer.RecordedEvent;

import jdk.test.lib.jfr.Events;

import jdk.test.lib.jfr.SimpleEvent;

/**

 * @test

 * @summary Test s that a duration is recorded.

 * @key jfr

 * @requires vm.hasJFR

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.event.TestEventDuration

 */

public class TestEventDuration {

    public static int counter;

    public static void main(String[] args) throws Exception {

        try(Recording r = new Recording()) {

            r.start();

            SimpleEvent e = new SimpleEvent();

            e.begin();

            for (int i = 0; i < 10_000;i++) {

                counter+=i;

            }

            e.end();

            e.commit();

            r.stop();

            List<RecordedEvent> events = Events.fromRecording(r);

            if (events.get(0).getDuration().toNanos() < 1) {

                throw new AssertionError("Expected a duration");

            }

        }

    }

}