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.state; 27 28 import java.time.Duration; 29 import java.time.Instant; 30 31 import jdk.jfr.Recording; 32 import jdk.jfr.RecordingState; 33 import jdk.test.lib.jfr.CommonHelper; 34 import jdk.test.lib.jfr.VoidFunction; 35 36 /** 37 * @test 38 * @summary Test Recording state 39 * @key jfr 40 * 41 * @library /lib / 42 * @run main/othervm jdk.jfr.api.recording.state.TestStateScheduleStart 43 */ 44 public class TestStateScheduleStart { 45 46 public static void main(String[] args) throws Throwable { 47 Recording r = new Recording(); 48 CommonHelper.verifyRecordingState(r, RecordingState.NEW); 49 50 Instant start = Instant.now(); 51 r.scheduleStart(Duration.ofMillis(2000)); 52 53 System.out.println("Wait for recording to start: " + start); 54 CommonHelper.waitForRecordingState(r, RecordingState.RUNNING); 55 56 // Duration should be about 2000 ms. 57 // Test servers vary too much in performance to make an accurate check. 58 // We only check that we don't time out after 20 seconds. 59 Instant started = Instant.now(); 60 long millis = Duration.between(start, started).toMillis(); 61 System.out.println("Recording started at " + started + ". Delta millis=" + millis + ", expeced about 2000"); 62 63 verifyIllegalState(() -> r.start(), "double start()"); 64 r.stop(); 65 CommonHelper.verifyRecordingState(r, RecordingState.STOPPED); 66 r.close(); 67 CommonHelper.verifyRecordingState(r, RecordingState.CLOSED); 68 } 69 70 private static void verifyIllegalState(VoidFunction f, String msg) throws Throwable { 71 CommonHelper.verifyException(f, msg, IllegalStateException.class); 72 } 73 }