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  *
  42  * @library /lib /
  43  * @run main/othervm jdk.jfr.api.consumer.TestToString
  44  */
  45 public class TestToString {
  46 
  47     public static void main(String[] args) throws Throwable {
  48 
  49         try (Recording recording = new Recording()) {
  50             recording.start();
  51             HelloWorldEvent event = new HelloWorldEvent();
  52             event.message = "hello, world";
  53             event.integer = 4711;
  54             event.floatValue = 9898;
  55             event.doubleValue = 313;
  56             event.clazz = HashMap.class;
  57             event.characater = '&';
  58             event.byteValue = (byte) 123;
  59             event.longValue = 1234567890L;
  60             event.shortValue = 64;
  61             event.booleanValue = false;
  62             event.commit();
  63             recording.stop();
  64             List<RecordedEvent> events = Events.fromRecording(recording);
  65             Events.hasEvents(events);
  66             RecordedEvent e = events.get(0);
  67             String toString = e.toString();
  68             System.out.println(toString);
  69             Asserts.assertTrue(toString.contains("hello, world"), "Missing String field value in RecordedEvent#toSting()");
  70             Asserts.assertTrue(toString.contains("4711"), "Missing integer fields value in RecordedEvent#toSting()");
  71             Asserts.assertTrue(toString.contains("313"), "Missing double value in RecordedEvent#toSting()");
  72             Asserts.assertTrue(toString.contains("HashMap"), "Missing class value in RecordedEvent#toSting()");
  73             Asserts.assertTrue(toString.contains("1234567890"), "Missing long value in RecordedEvent#toSting()");
  74             Asserts.assertTrue(toString.contains("&"), "Missing char value in RecordedEvent#toSting()");
  75             Asserts.assertTrue(toString.contains("123"), "Missing byte value in RecordedEvent#toString()");
  76             Asserts.assertTrue(toString.contains("64"), "Missing short value in RecordedEvent#toString()");
  77             Asserts.assertTrue(toString.contains("false"), "Missing boolean value in RecordedEvent#toString()");
  78             Asserts.assertTrue(toString.contains("HelloWorldEvent"), "Missing class name in RecordedEvent#toString()");
  79         }
  80     }
  81 
  82     static class HelloWorldEvent extends Event {
  83         public boolean booleanValue;
  84         public long longValue;
  85         public int shortValue;
  86         public byte byteValue;
  87         public int doubleValue;
  88         public char characater;
  89         public Thread mainThread;
  90         public Class<?> clazz;
  91         public int floatValue;
  92         public int integer;
  93         public String message;
  94     }
  95 }