1 /*

     2  * Copyright (c) 2019, 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.consumer.recordingstream;

    27 

    28 import jdk.jfr.consumer.RecordingStream;

    29 import jdk.test.lib.jfr.EventNames;

    30 

    31 /**

    32 * @test

    33 * @summary Tests RecordingStrream::setMaxSize

    34 * @key jfr

    35 * @requires vm.hasJFR

    36 * @library /test/lib

    37 * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestSetMaxSize

    38 */

    39 public class TestSetMaxSize {

    40 

    41    public static void main(String... args) throws Exception {

    42        long testSize = 123456789;

    43        try (RecordingStream r = new RecordingStream()) {

    44            r.setMaxSize(123456789);

    45            r.enable(EventNames.ActiveRecording);

    46            r.onEvent(e -> {

    47                System.out.println(e);

    48                long size= e.getLong("maxSize");

    49                if (size == testSize) {

    50                    r.close();

    51                    return;

    52                }

    53                System.out.println("Max size not set, was " + size + ", but expected " + testSize);

    54            });

    55            r.start();

    56        }

    57    }

    58 }