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.event;

    27 

    28 import java.nio.file.Files;

    29 import java.nio.file.Paths;

    30 import java.util.Iterator;

    31 

    32 import jdk.jfr.Recording;

    33 import jdk.jfr.consumer.RecordedEvent;

    34 import jdk.test.lib.Asserts;

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

    36 import jdk.test.lib.jfr.Events;

    37 

    38 /*

    39  * @test

    40  * @summary Simple enable Event class.

    41  * @key jfr

    42  * @library /test/lib

    43  * @run main/othervm jdk.jfr.api.recording.event.TestEnableName

    44  */

    45 public class TestEnableName {

    46 

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

    48         Recording r = new Recording();

    49         final String eventType = EventNames.FileWrite;

    50         r.enable(eventType).withoutStackTrace();

    51         r.start();

    52         Files.write(Paths.get(".", "dummy.txt"), "DummyFile".getBytes());

    53         r.stop();

    54 

    55         Iterator<RecordedEvent> iterator = Events.fromRecording(r).iterator();

    56         Asserts.assertTrue(iterator.hasNext(), "No events found");

    57         System.out.printf("Event:%n%s%n", iterator.next());

    58         r.close();

    59     }

    60 

    61 }