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.event;
  27 
  28 import jdk.jfr.EventType;
  29 import jdk.jfr.Recording;
  30 import jdk.test.lib.Asserts;
  31 import jdk.test.lib.jfr.SimpleEvent;
  32 
  33 /**
  34  * @test
  35  * @summary Test Event.isEnabled()
  36  * @key jfr
  37  *
  38  * @library /lib /
  39  * @run main/othervm jdk.jfr.api.event.TestIsEnabled
  40  */
  41 
  42 public class TestIsEnabled {
  43 
  44     public static void main(String[] args) throws Exception {
  45         assertDisabled("Event enabled with no recording");
  46 
  47         Recording r = new Recording();
  48         assertDisabled("Event enabled at new Recording()");
  49 
  50         r.enable(SimpleEvent.class);
  51         assertDisabled("Event enabled before r.start()");
  52 
  53         r.start();
  54 
  55         // enable/disable by class
  56         assertEnabled("Event not enabled after r.start()");
  57         r.disable(SimpleEvent.class);
  58         assertDisabled("Event enabled after r.disable()");
  59         r.enable(SimpleEvent.class);
  60         assertEnabled("Event disabled afer r.enable()");
  61 
  62         // enable/disable by event setting name
  63         String eventSettingName = String.valueOf(EventType.getEventType(SimpleEvent.class).getId());
  64         System.out.println("eventSettingName=" + eventSettingName);
  65 
  66         r.disable(eventSettingName);
  67         assertDisabled("Event enabled after r.disable(name)");
  68         r.enable(eventSettingName);
  69         assertEnabled("Event disabled after r.enable(name)");
  70 
  71         r.stop();
  72         assertDisabled("Event enabled after r.stop()");
  73 
  74         r.close();
  75         assertDisabled("Event enabled after r.close()");
  76     }
  77 
  78     private static void assertEnabled(String msg) {
  79         SimpleEvent event = new SimpleEvent();
  80         Asserts.assertTrue(event.isEnabled(), msg);
  81     }
  82 
  83     private static void assertDisabled(String msg) {
  84         SimpleEvent event = new SimpleEvent();
  85         Asserts.assertFalse(event.isEnabled(), msg);
  86     }
  87 
  88 }