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  * @library /test/lib
  43  * @run main/othervm jdk.jfr.api.event.TestClonedEvent
  44  */
  45 
  46 public class TestClonedEvent  {
  47 
  48     public static void main(String[] args) throws Throwable {
  49         Recording r = new Recording();
  50         r.enable(MyEvent.class);
  51 
  52         r.start();
  53 
  54         MyEvent event = new MyEvent();
  55 
  56         MyEvent event2 = (MyEvent)event.clone();
  57 
  58         FlightRecorder.register(MyEvent.class);
  59         event.commit();
  60         event2.commit();
  61 
  62         r.stop();
  63 
  64         List<RecordedEvent> events = Events.fromRecording(r);
  65         Asserts.assertEquals(2, events.size());
  66 
  67         r.close();
  68 
  69         FlightRecorder.unregister(MyEvent.class);
  70 
  71         Recording r2 = new Recording();
  72         r2.enable(MyEvent.class);
  73 
  74         r2.start();
  75         event.commit();
  76         event2.commit();
  77 
  78         r2.stop();
  79 
  80         events = Events.fromRecording(r2);
  81         Asserts.assertEquals(0, events.size());
  82 
  83         r2.close();
  84     }
  85 
  86     @Registered(false)
  87     private static class MyEvent extends Event implements Cloneable {
  88 
  89         public Object clone() throws CloneNotSupportedException {
  90             return super.clone();
  91         }
  92 
  93     }
  94 
  95 }