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.Duration;
  29 import java.time.Instant;
  30 
  31 import jdk.jfr.Recording;
  32 import jdk.test.lib.Asserts;
  33 
  34 /**
  35  * @test
  36  * @key jfr
  37  * @summary Test Recording.setDuration() and Recording.get*Time()
  38  *
  39  * @library /lib /
  40  * @run main/othervm jdk.jfr.api.recording.time.TestTimeDuration
  41  */
  42 
  43 public class TestTimeDuration {
  44 
  45     public static void main(String[] args) throws Throwable {
  46         Recording r = new Recording();
  47         final Duration duration = Duration.ofMillis(30000);
  48 
  49         r.setDuration(duration);
  50         Asserts.assertNull(r.getStartTime(), "getStartTime() not null before start");
  51         Asserts.assertNull(r.getStopTime(), "getStopTime() not null before start");
  52 
  53         final Instant beforeStart = Instant.now();
  54         r.start();
  55         final Instant afterStart = Instant.now();
  56 
  57         Asserts.assertNotNull(r.getStartTime(), "getStartTime() null after start()");
  58         Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart");
  59         Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart");
  60 
  61         Asserts.assertNotNull(r.getStopTime(), "getStopTime() null after start with duration");
  62         Asserts.assertGreaterThanOrEqual(r.getStopTime(), beforeStart.plus(duration), "getStopTime() < beforeStart + duration");
  63         Asserts.assertLessThanOrEqual(r.getStopTime(), afterStart.plus(duration), "getStopTime() > afterStart + duration");
  64 
  65         r.close();
  66     }
  67 
  68 }