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.dump;
  27 
  28 import java.nio.file.Files;
  29 import java.nio.file.Path;
  30 import java.nio.file.Paths;
  31 
  32 import jdk.jfr.Recording;
  33 import jdk.jfr.consumer.RecordingFile;
  34 import jdk.test.lib.Asserts;
  35 import jdk.test.lib.jfr.EventNames;
  36 
  37 /**
  38  * @test
  39  * @summary Test copyTo and parse file
  40  * @key jfr
  41  *
  42  * @library /lib /
  43  * @run main/othervm jdk.jfr.api.recording.dump.TestDump
  44  */
  45 public class TestDump {
  46 
  47     public static void main(String[] args) throws Exception {
  48         Recording r = new Recording();
  49         r.enable(EventNames.OSInformation);
  50         r.start();
  51         r.stop();
  52 
  53         Path path = Paths.get(".", "my.jfr");
  54         r.dump(path);
  55         r.close();
  56 
  57         Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path);
  58         Asserts.assertFalse(RecordingFile.readAllEvents(path).isEmpty(), "No events found");
  59     }
  60 
  61 }