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.eventtype;
  27 
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 
  31 import jdk.jfr.Event;
  32 import jdk.jfr.EventType;
  33 import jdk.jfr.ValueDescriptor;
  34 import jdk.test.lib.Asserts;
  35 
  36 /**
  37  * @test
  38  * @summary Test getFields()
  39  * @key jfr
  40  *
  41  * @library /lib /
  42  * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetFields
  43  */
  44 public class TestGetFields {
  45 
  46     public static void main(String[] args) throws Throwable {
  47         List<String> actuals = new ArrayList<>();
  48         EventType type = EventType.getEventType(MyEvent.class);
  49         for (ValueDescriptor d : type.getFields()) {
  50             if (d.getName().startsWith("my")) {
  51                 String s = getCompareString(d);
  52                 System.out.println("Actual: " + s);
  53                 actuals.add(s);
  54             }
  55         }
  56 
  57         String[] expected = {
  58             "name=myByte; typename=byte",
  59             "name=myInt; typename=int",
  60             "name=myString; typename=java.lang.String",
  61             "name=myClass; typename=java.lang.Class",
  62             "name=myThread; typename=java.lang.Thread"
  63         };
  64         for (String s : expected) {
  65             Asserts.assertTrue(actuals.contains(s), "Missing expected value " + s);
  66         }
  67         Asserts.assertEquals(expected.length, actuals.size(), "Wrong number of fields found");
  68     }
  69 
  70     private static String getCompareString(ValueDescriptor d) {
  71         return String.format("name=%s; typename=%s",
  72                               d.getName(),
  73                               d.getTypeName());
  74     }
  75 
  76     @SuppressWarnings("unused")
  77     private static class MyEvent extends Event {
  78         public byte myByte;
  79         private int myInt;
  80         protected String myString;
  81         public static int myStatic; // Should not be included
  82         @SuppressWarnings("rawtypes")
  83         public Class myClass;
  84         public Thread myThread;
  85     }
  86 }