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.recording.time;
  27 
  28 import java.time.Instant;
  29 
  30 import jdk.jfr.Recording;
  31 import jdk.test.lib.Asserts;
  32 
  33 /**
  34  * @test
  35  * @key jfr
  36  * @summary Test recording times with concurrent recordings
  37  *
  38  * @library /lib /
  39  * @run main/othervm jdk.jfr.api.recording.time.TestTimeMultiple
  40  */
  41 
  42 public class TestTimeMultiple {
  43 
  44     public static void main(String[] args) throws Throwable {
  45         Recording rA = new Recording();
  46         Asserts.assertNull(rA.getStartTime(), "getStartTime() not null before start");
  47         Asserts.assertNull(rA.getStopTime(), "getStopTime() not null before start");
  48 
  49         final Instant beforeStartA = Instant.now();
  50         rA.start();
  51         final Instant afterStartA = Instant.now();
  52 
  53         Recording rB = new Recording();
  54         Asserts.assertNull(rB.getStartTime(), "getStartTime() not null before start");
  55         Asserts.assertNull(rB.getStopTime(), "getStopTime() not null before start");
  56 
  57         final Instant beforeStartB = Instant.now();
  58         rB.start();
  59         final Instant afterStartB = Instant.now();
  60 
  61         final Instant beforeStopB = Instant.now();
  62         rB.stop();
  63         final Instant afterStopB = Instant.now();
  64 
  65         final Instant beforeStopA = Instant.now();
  66         rA.stop();
  67         final Instant afterStopA = Instant.now();
  68 
  69         rA.close();
  70         rB.close();
  71 
  72         Asserts.assertNotNull(rA.getStartTime(), "getStartTime() null after start");
  73         Asserts.assertNotNull(rA.getStopTime(), "getStopTime() null after stop");
  74         Asserts.assertGreaterThanOrEqual(rA.getStartTime(), beforeStartA, "getStartTime() < beforeStart");
  75         Asserts.assertLessThanOrEqual(rA.getStartTime(), afterStartA, "getStartTime() > afterStart");
  76         Asserts.assertGreaterThanOrEqual(rA.getStopTime(), beforeStopA, "getStopTime() < beforeStop");
  77         Asserts.assertLessThanOrEqual(rA.getStopTime(), afterStopA, "getStopTime() > afterStop");
  78 
  79         Asserts.assertNotNull(rB.getStartTime(), "getStartTime() null after start");
  80         Asserts.assertNotNull(rB.getStopTime(), "getStopTime() null after stop");
  81         Asserts.assertGreaterThanOrEqual(rB.getStartTime(), beforeStartB, "getStartTime() < beforeStart");
  82         Asserts.assertLessThanOrEqual(rB.getStartTime(), afterStartB, "getStartTime() > afterStart");
  83         Asserts.assertGreaterThanOrEqual(rB.getStopTime(), beforeStopB, "getStopTime() < beforeStop");
  84         Asserts.assertLessThanOrEqual(rB.getStopTime(), afterStopB, "getStopTime() > afterStop");
  85     }
  86 
  87 }