--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/api/recording/time/TestTime.java 2020-01-30 06:31:29.281800103 +0000 @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.api.recording.time; + +import java.time.Instant; + +import jdk.jfr.Recording; +import jdk.test.lib.Asserts; + +/** + * @test + * @key jfr + * @summary Test Recording.get*Time() + * + * @library /lib / + * @run main/othervm jdk.jfr.api.recording.time.TestTime + */ + +public class TestTime { + + public static void main(String[] args) throws Throwable { + Recording r = new Recording(); + Asserts.assertNull(r.getStartTime(), "getStartTime() not null before start"); + Asserts.assertNull(r.getStopTime(), "getStopTime() not null before start"); + + final Instant beforeStart = Instant.now(); + r.start(); + final Instant afterStart = Instant.now(); + + Asserts.assertNotNull(r.getStartTime(), "getStartTime() null after"); + Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); + Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); + Asserts.assertNull(r.getStopTime(), "getStopTime() not null before stop"); + + final Instant beforeStop = Instant.now(); + r.stop(); + final Instant afterStop = Instant.now(); + + Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); + Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); + Asserts.assertNotNull(r.getStopTime(), "getStopTime() null after stop"); + Asserts.assertGreaterThanOrEqual(r.getStopTime(), beforeStop, "getStopTime() < beforeStop"); + Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop"); + + r.close(); + + // Same checks again to make sure close() did not change the times. + Asserts.assertGreaterThanOrEqual(r.getStartTime(), beforeStart, "getStartTime() < beforeStart"); + Asserts.assertLessThanOrEqual(r.getStartTime(), afterStart, "getStartTime() > afterStart"); + Asserts.assertNotNull(r.getStopTime(), "getStopTime() null after stop"); + Asserts.assertGreaterThanOrEqual(r.getStopTime(), beforeStop, "getStopTime() < beforeStop"); + Asserts.assertLessThanOrEqual(r.getStopTime(), afterStop, "getStopTime() > afterStop"); + } + +}