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.HashMap;

    29 import java.util.List;

    30 

    31 import jdk.jfr.Event;

    32 import jdk.jfr.Recording;

    33 import jdk.jfr.consumer.RecordedEvent;

    34 import jdk.test.lib.Asserts;

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

    36 

    37 /*

    38  * @test

    39  * @summary Sanity checks that RecordedEvent#toString returns something valid

    40  * @key jfr

    41  * @library /test/lib

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

    43  */

    44 public class TestToString {

    45 

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

    47 

    48         try (Recording recording = new Recording()) {

    49             recording.start();

    50             HelloWorldEvent event = new HelloWorldEvent();

    51             event.message = "hello, world";

    52             event.integer = 4711;

    53             event.floatValue = 9898;

    54             event.doubleValue = 313;

    55             event.clazz = HashMap.class;

    56             event.characater = '&';

    57             event.byteValue = (byte) 123;

    58             event.longValue = 1234567890L;

    59             event.shortValue = 64;

    60             event.booleanValue = false;

    61             event.commit();

    62             recording.stop();

    63             List<RecordedEvent> events = Events.fromRecording(recording);

    64             Events.hasEvents(events);

    65             RecordedEvent e = events.get(0);

    66             String toString = e.toString();

    67             System.out.println(toString);

    68             Asserts.assertTrue(toString.contains("hello, world"), "Missing String field value in RecordedEvent#toSting()");

    69             Asserts.assertTrue(toString.contains("4711"), "Missing integer fields value in RecordedEvent#toSting()");

    70             Asserts.assertTrue(toString.contains("313"), "Missing double value in RecordedEvent#toSting()");

    71             Asserts.assertTrue(toString.contains("HashMap"), "Missing class value in RecordedEvent#toSting()");

    72             Asserts.assertTrue(toString.contains("1234567890"), "Missing long value in RecordedEvent#toSting()");

    73             Asserts.assertTrue(toString.contains("&"), "Missing char value in RecordedEvent#toSting()");

    74             Asserts.assertTrue(toString.contains("123"), "Missing byte value in RecordedEvent#toString()");

    75             Asserts.assertTrue(toString.contains("64"), "Missing short value in RecordedEvent#toString()");

    76             Asserts.assertTrue(toString.contains("false"), "Missing boolean value in RecordedEvent#toString()");

    77             Asserts.assertTrue(toString.contains("HelloWorldEvent"), "Missing class name in RecordedEvent#toString()");

    78         }

    79     }

    80 

    81     static class HelloWorldEvent extends Event {

    82         public boolean booleanValue;

    83         public long longValue;

    84         public int shortValue;

    85         public byte byteValue;

    86         public int doubleValue;

    87         public char characater;

    88         public Thread mainThread;

    89         public Class<?> clazz;

    90         public int floatValue;

    91         public int integer;

    92         public String message;

    93     }

    94 }