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 }