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.metadata.valuedescriptor;
  27 
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 
  31 import jdk.jfr.AnnotationElement;
  32 import jdk.jfr.Description;
  33 import jdk.jfr.Event;
  34 import jdk.jfr.EventType;
  35 import jdk.jfr.Label;
  36 import jdk.jfr.Name;
  37 import jdk.jfr.ValueDescriptor;
  38 import jdk.test.lib.Asserts;
  39 
  40 /**
  41  * @test
  42  * @summary Test ValueDescriptor.getAnnotations()
  43  * @key jfr
  44  * @requires vm.hasJFR
  45  * @library /test/lib
  46  * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestGetAnnotations
  47  */
  48 public class TestGetAnnotations {
  49 
  50     public static void main(String[] args) throws Throwable {
  51         EventType type = EventType.getEventType(MyEvent.class);
  52 
  53         List<String> actual = new ArrayList<>();
  54         for (ValueDescriptor d : type.getFields()) {
  55             String descName = d.getName();
  56             for (AnnotationElement a : d.getAnnotationElements()) {
  57                 String annName = a.getTypeName();
  58                 String annValue = a.getValue("value").toString();
  59                 actual.add(String.format("%s: %s = %s", descName, annName, annValue));
  60             }
  61         }
  62 
  63         System.out.println("Actual annotations:");
  64         for (String s : actual) {
  65             System.out.println(s);
  66         }
  67 
  68         String[] expected = {
  69             "myShortName: jdk.jfr.Label = myShortLabel",
  70             "myShortName: jdk.jfr.Description = myShortDesc",
  71             "myLongName: jdk.jfr.Description = myLongDesc",
  72             "myLongName: jdk.jfr.Label = myLongLabel",
  73         };
  74 
  75         for (String s : expected) {
  76             if (!actual.contains(s)) {
  77                 System.out.println("Expected annotation missing: " + s);
  78                 Asserts.fail("Not all expected annotations found");
  79             }
  80         }
  81     }
  82 
  83 
  84     private static class MyEvent extends Event {
  85         @Label("myShortLabel")
  86         @Description("myShortDesc")
  87         @Name("myShortName")
  88         public short myShort;
  89 
  90         @Name("myLongName")
  91         @Description("myLongDesc")
  92         @Label("myLongLabel")
  93         public long myLong;
  94     }
  95 }