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