--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/api/recording/state/TestStateDuration.java 2018-04-09 17:21:59.226283226 +0200 @@ -0,0 +1,72 @@ +/* + * 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.state; + +import java.time.Duration; +import java.time.Instant; + +import jdk.jfr.Recording; +import jdk.jfr.RecordingState; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.CommonHelper; +import jdk.test.lib.jfr.VoidFunction; + +/* + * @test + * @summary Test Recording state + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.api.recording.state.TestStateDuration + */ +public class TestStateDuration { + + public static void main(String[] args) throws Throwable { + Duration duration = Duration.ofSeconds(2); + Recording r = new Recording(); + r.setDuration(duration); + CommonHelper.verifyRecordingState(r, RecordingState.NEW); + Instant start = Instant.now(); + System.out.println("Recording with duration " + duration + " started at " + start); + r.start(); + + // Wait for recording to stop automatically + System.out.println("Waiting for recording to reach STOPPED state"); + CommonHelper.waitForRecordingState(r, RecordingState.STOPPED); + Instant stop = Instant.now(); + Duration measuredDuration = Duration.between(start, stop); + System.out.println("Recording stopped at " + stop + ". Measured duration " + measuredDuration); + // Timer task uses System.currentMillis, and java.time uses other source. + Duration deltaDueToClockNotInSync = Duration.ofMillis(100); + Asserts.assertGreaterThan(measuredDuration.plus(deltaDueToClockNotInSync), duration); + verifyIllegalState(() -> r.start(), "start() after stop()"); + r.close(); + CommonHelper.verifyRecordingState(r, RecordingState.CLOSED); + } + + private static void verifyIllegalState(VoidFunction f, String msg) throws Throwable { + CommonHelper.verifyException(f, msg, IllegalStateException.class); + } +}