test/jdk/jdk/jfr/api/event/TestClonedEvent.java
author egahlin
Tue, 15 May 2018 20:24:34 +0200
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child 51214 67736b4846a0
permissions -rw-r--r--
8199712: Flight Recorder Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun Contributed-by: erik.gahlin@oracle.com, markus.gronlund@oracle.com
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/*
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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package jdk.jfr.api.event;
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import java.util.List;
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import jdk.jfr.Event;
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import jdk.jfr.FlightRecorder;
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import jdk.jfr.Recording;
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import jdk.jfr.Registered;
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import jdk.jfr.consumer.RecordedEvent;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.jfr.Events;
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/*
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 * @test
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 * @summary Tests that a cloned event can be successfully committed.
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 * @key jfr
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 * @library /test/lib
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 * @run main/othervm jdk.jfr.api.event.TestClonedEvent
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 */
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public class TestClonedEvent  {
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    public static void main(String[] args) throws Throwable {
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        Recording r = new Recording();
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        r.enable(MyEvent.class);
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        r.start();
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        MyEvent event = new MyEvent();
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        MyEvent event2 = (MyEvent)event.clone();
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        FlightRecorder.register(MyEvent.class);
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        event.commit();
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        event2.commit();
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        r.stop();
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        List<RecordedEvent> events = Events.fromRecording(r);
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        Asserts.assertEquals(2, events.size());
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        r.close();
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        FlightRecorder.unregister(MyEvent.class);
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        Recording r2 = new Recording();
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        r2.enable(MyEvent.class);
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        r2.start();
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        event.commit();
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        event2.commit();
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        r2.stop();
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        events = Events.fromRecording(r2);
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        Asserts.assertEquals(0, events.size());
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        r2.close();
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    }
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    @Registered(false)
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    private static class MyEvent extends Event implements Cloneable {
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        public Object clone() throws CloneNotSupportedException {
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            return super.clone();
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        }
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    }
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}