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 }