1 /*
   2  * Copyright (c) 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.api.event;
  27 
  28 import java.util.List;
  29 
  30 import jdk.jfr.Event;
  31 import jdk.jfr.FlightRecorder;
  32 import jdk.jfr.Recording;
  33 import jdk.jfr.Registered;
  34 import jdk.jfr.consumer.RecordedEvent;
  35 import jdk.test.lib.Asserts;
  36 import jdk.test.lib.jfr.Events;
  37 
  38 /**
  39  * @test
  40  * @summary Tests that a cloned event can be successfully committed.
  41  * @key jfr
  42  *
  43  * @library /lib /
  44  * @run main/othervm jdk.jfr.api.event.TestClonedEvent
  45  */
  46 
  47 public class TestClonedEvent  {
  48 
  49     public static void main(String[] args) throws Throwable {
  50         Recording r = new Recording();
  51         r.enable(MyEvent.class);
  52 
  53         r.start();
  54 
  55         MyEvent event = new MyEvent();
  56 
  57         MyEvent event2 = (MyEvent)event.clone();
  58 
  59         FlightRecorder.register(MyEvent.class);
  60         event.commit();
  61         event2.commit();
  62 
  63         r.stop();
  64 
  65         List<RecordedEvent> events = Events.fromRecording(r);
  66         Asserts.assertEquals(2, events.size());
  67 
  68         r.close();
  69 
  70         FlightRecorder.unregister(MyEvent.class);
  71 
  72         Recording r2 = new Recording();
  73         r2.enable(MyEvent.class);
  74 
  75         r2.start();
  76         event.commit();
  77         event2.commit();
  78 
  79         r2.stop();
  80 
  81         events = Events.fromRecording(r2);
  82         Asserts.assertEquals(0, events.size());
  83 
  84         r2.close();
  85     }
  86 
  87     @Registered(false)
  88     private static class MyEvent extends Event implements Cloneable {
  89 
  90         public Object clone() throws CloneNotSupportedException {
  91             return super.clone();
  92         }
  93 
  94     }
  95 
  96 }