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.Recording;

    33 import jdk.jfr.ValueDescriptor;

    34 import jdk.jfr.consumer.RecordedClass;

    35 import jdk.jfr.consumer.RecordedClassLoader;

    36 import jdk.jfr.consumer.RecordedEvent;

    37 import jdk.test.lib.Asserts;

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

    39 

    40 /*

    41  * @test

    42  * @summary Verifies the methods of the RecordedEvent

    43  * @key jfr

    44  * @library /test/lib

    45  * @run main/othervm jdk.jfr.api.consumer.TestRecordedEvent

    46  */

    47 public class TestRecordedEvent {

    48 

    49     static class MyClass {

    50     }

    51 

    52     static class TestEvent extends Event {

    53 

    54         @Description("MyField")

    55         Class<?> clzField = String.class;

    56         int intField;

    57         String stringField = "myString";

    58         Class<?> myClass = MyClass.class;

    59     }

    60 

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

    62         Recording r = new Recording();

    63         r.start();

    64         TestEvent t = new TestEvent();

    65         t.commit();

    66         r.stop();

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

    68         Events.hasEvents(events);

    69 

    70         Asserts.assertEquals(events.size(), 1);

    71 

    72         RecordedEvent event = events.get(0);

    73 

    74         List<ValueDescriptor> descriptors = event.getFields();

    75 

    76         System.out.println("Descriptors");

    77         for (ValueDescriptor descriptor : descriptors) {

    78             System.out.println(descriptor.getName());

    79             System.out.println(descriptor.getTypeName());

    80         }

    81         System.out.println("Descriptors end");

    82 

    83         Object recordedClass = event.getValue("clzField");

    84         Asserts.assertTrue(recordedClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass);

    85 

    86         Object recordedInt = event.getValue("intField");

    87         Asserts.assertTrue(recordedInt instanceof Integer);

    88 

    89         Object recordedString = event.getValue("stringField");

    90         System.out.println("recordedString class: " + recordedString.getClass());

    91         Asserts.assertTrue(recordedString instanceof String);

    92 

    93         Object myClass = event.getValue("myClass");

    94         Asserts.assertTrue(myClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass);

    95 

    96         RecordedClass myRecClass = (RecordedClass) myClass;

    97         Asserts.assertEquals(MyClass.class.getName(), myRecClass.getName(), "Got " + myRecClass.getName());

    98 

    99         Object recordedClassLoader = myRecClass.getValue("classLoader");

   100         Asserts.assertTrue(recordedClassLoader instanceof RecordedClassLoader, "Expected Recorded ClassLoader got " + recordedClassLoader);

   101 

   102         RecordedClassLoader myRecClassLoader = (RecordedClassLoader)recordedClassLoader;

   103         ClassLoader cl = MyClass.class.getClassLoader();

   104         Asserts.assertEquals(cl.getClass().getName(), myRecClassLoader.getType().getName(), "Expected Recorded ClassLoader type to equal loader type");

   105 

   106         Asserts.assertNotNull(myRecClass.getModifiers());

   107     }

   108 

   109 }