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  *
  45  * @library /lib /
  46  * @run main/othervm  jdk.jfr.api.consumer.TestValueDescriptorRecorded
  47  */
  48 public class TestValueDescriptorRecorded {
  49 
  50     private static class MyEvent extends Event {
  51 
  52         @Label("myLabel")
  53         @Description("myDescription")
  54         int myValue;
  55     }
  56 
  57     public static void main(String[] args) throws Throwable {
  58         Recording r = new Recording();
  59         r.enable(MyEvent.class).withoutStackTrace();
  60         r.start();
  61         MyEvent event = new MyEvent();
  62         event.commit();
  63         r.stop();
  64 
  65         List<RecordedEvent> events = Events.fromRecording(r);
  66         Events.hasEvents(events);
  67         RecordedEvent recordedEvent = events.get(0);
  68 
  69         for (ValueDescriptor desc : recordedEvent.getFields()) {
  70             if ("myValue".equals(desc.getName())) {
  71                 Asserts.assertEquals(desc.getLabel(), "myLabel");
  72                 Asserts.assertEquals(desc.getDescription(), "myDescription");
  73                 Asserts.assertEquals(desc.getTypeName(), int.class.getName());
  74                 Asserts.assertFalse(desc.isArray());
  75                 Asserts.assertNull(desc.getContentType());
  76             }
  77         }
  78     }
  79 }