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.get*Time() 37 * @requires vm.hasJFR 38 * @library /test/lib 39 * @run main/othervm jdk.jfr.api.recording.time.TestTime 40 */ 41 42 public class TestTime { 43 44 public static void main(String[] args) throws Throwable { 45 Recording r = new Recording(); 46 Asserts.assertNull(r.getStartTime(), "getStartTime() not null before start"); 47 Asserts.assertNull(r.getStopTime(), "getStopTime() not null before start"); 48 49 final Instant beforeStart = Instant.now(); 50 r.start(); 51 final Instant afterStart = Instant.now(); 52 53 Asserts.assertNotNull(r.getStartTime(), "getStartTime() null after"); 54 Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); 55 Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); 56 Asserts.assertNull(r.getStopTime(), "getStopTime() not null before stop"); 57 58 final Instant beforeStop = Instant.now(); 59 r.stop(); 60 final Instant afterStop = Instant.now(); 61 62 Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); 63 Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); 64 Asserts.assertNotNull(r.getStopTime(), "getStopTime() null after stop"); 65 Asserts.assertGreaterThanOrEqual(r.getStopTime(), beforeStop, "getStopTime() < beforeStop"); 66 Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop"); 67 68 r.close(); 69 70 // Same checks again to make sure close() did not change the times. 71 Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); 72 Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); 73 Asserts.assertNotNull(r.getStopTime(), "getStopTime() null after stop"); 74 Asserts.assertGreaterThanOrEqual(r.getStopTime(), beforeStop, "getStopTime() < beforeStop"); 75 Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop"); 76 } 77 78 }