1 /*

     2  * Copyright (c) 2013, 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.jmx;

    27 

    28 import java.util.List;

    29 

    30 import jdk.jfr.RecordingState;

    31 import jdk.management.jfr.FlightRecorderMXBean;

    32 import jdk.management.jfr.RecordingInfo;

    33 import jdk.test.lib.jfr.CommonHelper;

    34 import jdk.test.lib.jfr.VoidFunction;

    35 

    36 /*

    37  * @test

    38  * @key jfr

    39  * @library /test/lib /test/jdk

    40  * @run main/othervm jdk.jfr.jmx.TestRecordingStateInvalid

    41  */

    42 public class TestRecordingStateInvalid {

    43     public static void main(String[] args) throws Throwable {

    44         FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    45 

    46         long recId = createRecording(bean);

    47         verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop not started");

    48 

    49         startRecording(recId, bean);

    50         verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already started");

    51 

    52         stopRecording(recId, bean);

    53         verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already stopped");

    54         verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop already stopped");

    55 

    56         destroyRecording(recId, bean);

    57         verifyIllegalArg(()->{ bean.startRecording(recId); }, "Start already destroyed");

    58         verifyIllegalArg(()->{ bean.stopRecording(recId); }, "Stop already destroyed");

    59 

    60     }

    61 

    62     private static long createRecording(FlightRecorderMXBean bean) throws Exception {

    63         List<RecordingInfo> preCreateRecordings = bean.getRecordings();

    64         long recId = bean.newRecording();

    65         JmxHelper.verifyNotExists(recId, preCreateRecordings);

    66         JmxHelper.verifyState(recId, RecordingState.NEW, bean);

    67         return recId;

    68     }

    69 

    70     private static void startRecording(long recId, FlightRecorderMXBean bean) throws Exception {

    71         JmxHelper.verifyState(recId, RecordingState.NEW, bean);

    72         bean.startRecording(recId);

    73         JmxHelper.verifyState(recId, RecordingState.RUNNING, bean);

    74     }

    75 

    76     private static void stopRecording(long recId, FlightRecorderMXBean bean) throws Exception {

    77         JmxHelper.verifyState(recId, RecordingState.RUNNING, bean);

    78         bean.stopRecording(recId);

    79         JmxHelper.verifyState(recId, RecordingState.STOPPED, bean);

    80     }

    81 

    82     private static void destroyRecording(long recId, FlightRecorderMXBean bean) throws Exception {

    83         JmxHelper.verifyState(recId, RecordingState.STOPPED, bean);

    84         bean.closeRecording(recId);

    85         JmxHelper.verifyNotExists(recId, bean.getRecordings());

    86     }

    87 

    88     private static void verifyIllegalState(VoidFunction f, String msg) throws Throwable {

    89         CommonHelper.verifyException(f, msg, IllegalStateException.class);

    90     }

    91 

    92     private static void verifyIllegalArg(VoidFunction f, String msg) throws Throwable {

    93         CommonHelper.verifyException(f, msg, IllegalArgumentException.class);

    94     }

    95 

    96 }