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.consumer;
  27 
  28 import java.util.List;
  29 
  30 import jdk.jfr.Description;
  31 import jdk.jfr.Event;
  32 import jdk.jfr.Label;
  33 import jdk.jfr.Recording;
  34 import jdk.jfr.ValueDescriptor;
  35 import jdk.jfr.consumer.RecordedEvent;
  36 import jdk.test.lib.Asserts;
  37 import jdk.test.lib.jfr.Events;
  38 
  39 
  40 /*
  41  * @test
  42  * @summary Verifies that the recorded value descriptors are correct
  43  * @key jfr
  44  * @library /test/lib
  45  * @run main/othervm  jdk.jfr.api.consumer.TestValueDescriptorRecorded
  46  */
  47 public class TestValueDescriptorRecorded {
  48 
  49     private static class MyEvent extends Event {
  50 
  51         @Label("myLabel")
  52         @Description("myDescription")
  53         int myValue;
  54     }
  55 
  56     public static void main(String[] args) throws Throwable {
  57         Recording r = new Recording();
  58         r.enable(MyEvent.class).withoutStackTrace();
  59         r.start();
  60         MyEvent event = new MyEvent();
  61         event.commit();
  62         r.stop();
  63 
  64         List<RecordedEvent> events = Events.fromRecording(r);
  65         Events.hasEvents(events);
  66         RecordedEvent recordedEvent = events.get(0);
  67 
  68         for (ValueDescriptor desc : recordedEvent.getFields()) {
  69             if ("myValue".equals(desc.getName())) {
  70                 Asserts.assertEquals(desc.getLabel(), "myLabel");
  71                 Asserts.assertEquals(desc.getDescription(), "myDescription");
  72                 Asserts.assertEquals(desc.getTypeName(), int.class.getName());
  73                 Asserts.assertFalse(desc.isArray());
  74                 Asserts.assertNull(desc.getContentType());
  75             }
  76         }
  77     }
  78 }