--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/api/recording/state/TestStateScheduleStart.java 2018-04-09 17:23:13.525704510 +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.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.TestStateScheduleStart + */ +public class TestStateScheduleStart { + + public static void main(String[] args) throws Throwable { + Recording r = new Recording(); + CommonHelper.verifyRecordingState(r, RecordingState.NEW); + + Instant start = Instant.now(); + r.scheduleStart(Duration.ofMillis(2000)); + + System.out.println("Wait for recording to start: " + start); + CommonHelper.waitForRecordingState(r, RecordingState.RUNNING); + + // Duration should be about 2000 ms. + // Test servers vary too much in performance to make an accurate check. + // We only check that we don't time out after 20 seconds. + Instant started = Instant.now(); + long millis = Duration.between(start, started).toMillis(); + System.out.println("Recording started at " + started + ". Delta millis=" + millis + ", expeced about 2000"); + + verifyIllegalState(() -> r.start(), "double start()"); + r.stop(); + CommonHelper.verifyRecordingState(r, RecordingState.STOPPED); + r.close(); + CommonHelper.verifyRecordingState(r, RecordingState.CLOSED); + } + + private static void verifyIllegalState(VoidFunction f, String msg) throws Throwable { + CommonHelper.verifyException(f, msg, IllegalStateException.class); + } +}