1 /*
   2  * Copyright (c) 2016, 2019, 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 package jdk.jfr.api.recording.misc;
  26 
  27 import jdk.jfr.Recording;
  28 import jdk.jfr.RecordingState;
  29 import jdk.jfr.consumer.RecordedEvent;
  30 import jdk.testlibrary.Asserts;
  31 import jdk.testlibrary.jfr.Events;
  32 import jdk.testlibrary.jfr.SimpleEvent;
  33 
  34 import java.util.List;
  35 
  36 /*
  37  * @test
  38  * @summary A simple test for Recording.copy()
  39  * @key jfr
  40  * @library /lib/testlibrary
  41  * @run main/othervm jdk.jfr.api.recording.misc.TestRecordingCopy
  42  */
  43 public class TestRecordingCopy {
  44 
  45     private static final int EVENT_ID = 1001;
  46 
  47     public static void main(String[] args) throws Exception {
  48 
  49         Recording original = new Recording();
  50         original.enable(SimpleEvent.class);
  51 
  52         Recording newCopy = original.copy(false);
  53         Asserts.assertEquals(newCopy.getState(), RecordingState.NEW);
  54 
  55         Recording newStoppedCopy = original.copy(true);
  56         Asserts.assertEquals(newStoppedCopy.getState(), RecordingState.NEW);
  57 
  58         original.start();
  59 
  60         SimpleEvent ev = new SimpleEvent();
  61         ev.id = EVENT_ID;
  62         ev.commit();
  63 
  64         // Verify a stopped copy
  65         Recording stoppedCopy = original.copy(true);
  66         Asserts.assertEquals(stoppedCopy.getState(), RecordingState.STOPPED);
  67         assertCopy(stoppedCopy, original);
  68 
  69         // Verify a running copy
  70         Recording runningCopy = original.copy(false);
  71         Asserts.assertEquals(runningCopy.getState(), RecordingState.RUNNING);
  72         assertCopy(runningCopy, original);
  73 
  74         original.stop();
  75 
  76         // Verify a stopped copy of a stopped
  77         stoppedCopy = original.copy(true);
  78         Asserts.assertEquals(stoppedCopy.getState(), RecordingState.STOPPED);
  79         assertCopy(stoppedCopy, original);
  80 
  81         // Clean-up
  82         original.close();
  83         runningCopy.stop();
  84         runningCopy.close();
  85         stoppedCopy.close();
  86     }
  87 
  88     /**
  89      * Verifies the basic assertions about a copied record
  90      */
  91     private static void assertCopy(Recording recording, Recording original) throws Exception {
  92 
  93         Asserts.assertFalse(recording.getId() == original.getId(), "id of a copied record should differ from that of the original");
  94         Asserts.assertFalse(recording.getName().equals(original.getName()), "name of a copied record should differ from that of the original");
  95 
  96         Asserts.assertEquals(recording.getSettings(), original.getSettings());
  97         Asserts.assertEquals(recording.getStartTime(), original.getStartTime());
  98         Asserts.assertEquals(recording.getMaxSize(), original.getMaxSize());
  99         Asserts.assertEquals(recording.getMaxAge(), original.getMaxAge());
 100         Asserts.assertEquals(recording.isToDisk(), original.isToDisk());
 101         Asserts.assertEquals(recording.getDumpOnExit(), original.getDumpOnExit());
 102 
 103         List<RecordedEvent> recordedEvents = Events.fromRecording(recording);
 104         Events.hasEvents(recordedEvents);
 105         Asserts.assertEquals(1, recordedEvents.size(), "Expected exactly one event");
 106 
 107         RecordedEvent re = recordedEvents.get(0);
 108         Asserts.assertEquals(EVENT_ID, re.getValue("id"));
 109     }
 110 
 111 }