1 /*

     2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 package jdk.jfr.event.gc.configuration;

    27 

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

    29 

    30 import java.util.List;

    31 

    32 import jdk.jfr.Recording;

    33 import jdk.jfr.consumer.RecordedEvent;

    34 import jdk.test.lib.jfr.EventNames;

    35 import jdk.test.lib.jfr.EventVerifier;

    36 import jdk.test.lib.jfr.Events;

    37 

    38 /*

    39  * @test

    40  * @key jfr

    41  * @library /test/lib /test/jdk

    42  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-UseFastUnorderedTimeStamps jdk.jfr.event.gc.configuration.TestGCConfigurationEventWithDefaultPauseTarget

    43  */

    44 public class TestGCConfigurationEventWithDefaultPauseTarget {

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

    46         Recording recording = new Recording();

    47         recording.enable(EventNames.GCConfiguration);

    48         recording.start();

    49         recording.stop();

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

    51         assertGreaterThanOrEqual(events.size(), 1, "Expected at least 1 event");

    52         DefaultGCConfigurationVerifier verifier = new DefaultGCConfigurationVerifier(events.get(0));

    53         verifier.verify();

    54     }

    55 }

    56 

    57 class DefaultGCConfigurationVerifier extends EventVerifier {

    58     public DefaultGCConfigurationVerifier(RecordedEvent event) {

    59         super(event);

    60     }

    61 

    62     @Override

    63     public void verify() throws Exception {

    64         verifyEquals("pauseTarget", Long.MIN_VALUE);

    65     }

    66 }