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.Event;

    31 import jdk.jfr.Recording;

    32 import jdk.jfr.consumer.RecordedClass;

    33 import jdk.jfr.consumer.RecordedEvent;

    34 import jdk.jfr.consumer.RecordedThread;

    35 import jdk.test.lib.Asserts;

    36 import jdk.test.lib.jfr.Events;

    37 

    38 /*

    39  * @test

    40  * @key jfr

    41  * @library /test/lib

    42  * @run main/othervm jdk.jfr.api.consumer.TestFieldAccess

    43  */

    44 public class TestFieldAccess {

    45 

    46     private static class MyEvent extends Event {

    47         String stringField = "Hello";

    48         int intField = 4711;

    49         long longField = 4712L;

    50         short shortField = (short)67;

    51         double doubleField = Double.NaN;

    52         float floatField = Float.MIN_VALUE;

    53         boolean booleanField = false;

    54         Thread threadField = Thread.currentThread();

    55         Class<?> classField = MyEvent.class;

    56     }

    57 

    58     public static void main(String[] args) throws Throwable {

    59         try (Recording r = new Recording()) {

    60             r.enable(MyEvent.class);

    61             r.start();

    62             MyEvent myEvent = new MyEvent();

    63             myEvent.commit();

    64             r.stop();

    65             List<RecordedEvent> events = Events.fromRecording(r);

    66             Events.hasEvents(events);

    67             RecordedEvent event = events.get(0);

    68             testHasField(event);

    69             testGetField(event, myEvent);

    70         }

    71     }

    72 

    73     private static void testGetField(RecordedEvent event, MyEvent myEvent) {

    74         String stringField = event.getValue("stringField");

    75         Asserts.assertEquals(stringField, myEvent.stringField);

    76 

    77         int intField = event.getValue("intField");

    78         Asserts.assertEquals(intField, myEvent.intField);

    79 

    80         long longField = event.getValue("longField");

    81         Asserts.assertEquals(longField, myEvent.longField);

    82 

    83         short shortField = event.getValue("shortField");

    84         Asserts.assertEquals(shortField, myEvent.shortField);

    85 

    86         double doubleField = event.getValue("doubleField");

    87         Asserts.assertEquals(doubleField, myEvent.doubleField);

    88 

    89         float floatField = event.getValue("floatField");

    90         Asserts.assertEquals(floatField, myEvent.floatField);

    91 

    92         boolean booleanField = event.getValue("booleanField");

    93         Asserts.assertEquals(booleanField, myEvent.booleanField);

    94 

    95         RecordedThread threadField = event.getValue("eventThread");

    96         Asserts.assertEquals(threadField.getJavaName(), myEvent.threadField.getName());

    97         String threadGroupName = event.getValue("eventThread.group.name");

    98         Asserts.assertEquals(threadField.getThreadGroup().getName(), threadGroupName);

    99 

   100         RecordedClass  classField = event.getValue("classField");

   101         Asserts.assertEquals(classField.getName(), myEvent.classField.getName());

   102         String className = event.getValue("classField.name");

   103         Asserts.assertEquals(classField.getName(), className.replace("/", "."));

   104 

   105 

   106         try {

   107             event.getValue("doesnotexist");

   108         } catch (IllegalArgumentException iae) {

   109             // as expected

   110         }

   111 

   112         try {

   113             event.getValue("classField.doesnotexist");

   114         } catch (IllegalArgumentException iae) {

   115             // as expected

   116         }

   117 

   118         try {

   119             event.getValue(null);

   120         } catch (NullPointerException npe) {

   121             // as expected

   122         }

   123     }

   124 

   125     private static void testHasField(RecordedEvent event) {

   126         System.out.println(event);

   127         Asserts.assertTrue(event.hasField("stringField"));

   128         Asserts.assertTrue(event.hasField("intField"));

   129         Asserts.assertTrue(event.hasField("longField"));

   130         Asserts.assertTrue(event.hasField("shortField"));

   131         Asserts.assertTrue(event.hasField("doubleField"));

   132         Asserts.assertTrue(event.hasField("floatField"));

   133         Asserts.assertTrue(event.hasField("threadField"));

   134         Asserts.assertTrue(event.hasField("classField"));

   135         Asserts.assertTrue(event.hasField("classField.name"));

   136         Asserts.assertTrue(event.hasField("eventThread"));

   137         Asserts.assertTrue(event.hasField("eventThread.group.name"));

   138         Asserts.assertTrue(event.hasField("startTime"));

   139         Asserts.assertTrue(event.hasField("stackTrace"));

   140         Asserts.assertTrue(event.hasField("duration"));

   141         Asserts.assertFalse(event.hasField("doesNotExist"));

   142         Asserts.assertFalse(event.hasField("classField.doesNotExist"));

   143         Asserts.assertFalse(event.hasField(""));

   144         try {

   145             event.hasField(null);

   146         } catch (NullPointerException npe) {

   147             // as expected

   148         }

   149     }

   150 }