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 jdk.jfr.Recording; 29 import jdk.jfr.RecordingState; 30 import jdk.test.lib.jfr.CommonHelper; 31 import jdk.test.lib.jfr.VoidFunction; 32 33 /** 34 * @test 35 * @summary Test start/stop/close recording from different recording states. 36 * @key jfr 37 * 38 * @library /lib / 39 * @run main/othervm jdk.jfr.api.recording.state.TestStateInvalid 40 */ 41 public class TestStateInvalid { 42 43 public static void main(String[] args) throws Throwable { 44 Recording r = new Recording(); 45 CommonHelper.verifyRecordingState(r, RecordingState.NEW); 46 verifyIllegalState(() -> r.stop(), "stop() when not started"); 47 CommonHelper.verifyRecordingState(r, RecordingState.NEW); 48 49 r.start(); 50 CommonHelper.verifyRecordingState(r, RecordingState.RUNNING); 51 verifyIllegalState(() -> r.start(), "double start()"); 52 CommonHelper.verifyRecordingState(r, RecordingState.RUNNING); 53 54 r.stop(); 55 CommonHelper.verifyRecordingState(r, RecordingState.STOPPED); 56 verifyIllegalState(() -> r.stop(), "double stop()"); 57 verifyIllegalState(() -> r.start(), "start() after stop()"); 58 CommonHelper.verifyRecordingState(r, RecordingState.STOPPED); 59 60 r.close(); 61 CommonHelper.verifyRecordingState(r, RecordingState.CLOSED); 62 verifyIllegalState(() -> r.stop(), "stop() after close()"); 63 verifyIllegalState(() -> r.start(), "start() after close()"); 64 CommonHelper.verifyRecordingState(r, RecordingState.CLOSED); 65 } 66 67 private static void verifyIllegalState(VoidFunction f, String msg) throws Throwable { 68 CommonHelper.verifyException(f, msg, IllegalStateException.class); 69 } 70 }