1 /*
   2  * Copyright (c) 2013, 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.event.runtime;
  27 
  28 
  29 
  30 import java.lang.management.ManagementFactory;
  31 import java.lang.management.RuntimeMXBean;
  32 import java.util.List;
  33 import java.util.stream.Collectors;
  34 
  35 import jdk.jfr.Recording;
  36 import jdk.jfr.consumer.RecordedEvent;
  37 import jdk.test.lib.Asserts;
  38 import jdk.test.lib.jfr.EventNames;
  39 import jdk.test.lib.jfr.Events;
  40 
  41 /**
  42  * The test will verify that JVM Information event values are delivered
  43  * and compare them with the RuntimeMXBean's values.
  44  */
  45 public class TestVMInfoEvent {
  46     private final static String EVENT_NAME = EventNames.JVMInformation;
  47 
  48     public static void main(String[] args) throws Exception {
  49         RuntimeMXBean mbean = ManagementFactory.getRuntimeMXBean();
  50         Recording recording = new Recording();
  51         recording.enable(EVENT_NAME);
  52         recording.start();
  53         recording.stop();
  54 
  55         List<RecordedEvent> events = Events.fromRecording(recording);
  56         Events.hasEvents(events);
  57         for (RecordedEvent event : events) {
  58             System.out.println("Event:" + event);
  59             Events.assertField(event, "jvmName").equal(mbean.getVmName());
  60             String jvmVersion = Events.assertField(event, "jvmVersion").notEmpty().getValue();
  61             if (!jvmVersion.contains(mbean.getVmVersion())) {
  62                 Asserts.fail(String.format("%s does not contain %s", jvmVersion, mbean.getVmVersion()));
  63             }
  64 
  65             String jvmArgs = Events.assertField(event, "jvmArguments").notNull().getValue();
  66             String jvmFlags = Events.assertField(event, "jvmFlags").notNull().getValue();
  67             String eventArgs = (jvmFlags.trim() + " " + jvmArgs).trim();
  68             String beanArgs = mbean.getInputArguments().stream().collect(Collectors.joining(" "));
  69             Asserts.assertEquals(eventArgs, beanArgs, "Wrong inputArgs");
  70 
  71             final String javaCommand = mbean.getSystemProperties().get("sun.java.command");
  72             Events.assertField(event, "javaArguments").equal(javaCommand);
  73             Events.assertField(event, "jvmStartTime").equal(mbean.getStartTime());
  74         }
  75     }
  76 
  77 }