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.destination;
  27 
  28 import static jdk.test.lib.Asserts.assertEquals;
  29 
  30 import java.nio.file.Files;
  31 import java.nio.file.Path;
  32 import java.nio.file.Paths;
  33 import java.util.List;
  34 
  35 import jdk.jfr.Recording;
  36 import jdk.jfr.consumer.RecordedEvent;
  37 import jdk.jfr.consumer.RecordingFile;
  38 import jdk.test.lib.Asserts;
  39 import jdk.test.lib.jfr.EventNames;
  40 
  41 /**
  42  * @test
  43  * @summary Basic test for setDestination with disk=true
  44  * @key jfr
  45  *
  46  * @library /lib /
  47  * @run main/othervm jdk.jfr.api.recording.destination.TestDestToDiskTrue
  48  */
  49 public class TestDestToDiskTrue {
  50 
  51     public static void main(String[] args) throws Throwable {
  52         Path dest = Paths.get(".", "my.jfr");
  53         Recording r = new Recording();
  54         r.enable(EventNames.OSInformation);
  55         r.setToDisk(true);
  56         r.setDestination(dest);
  57         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set destination");
  58         r.start();
  59         r.stop();
  60 
  61         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set destination after stop");
  62 
  63         Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest);
  64         List<RecordedEvent> events = RecordingFile.readAllEvents(dest);
  65         Asserts.assertFalse(events.isEmpty(), "No event found");
  66         System.out.printf("Found event %s%n", events.get(0).getEventType().getName());
  67         System.out.printf("File size=%d, getSize()=%d%n", Files.size(dest), r.getSize());
  68         assertEquals(r.getSize(), 0L, "getSize() should return 0, chunks should have be released at stop");
  69         Asserts.assertNotEquals(Files.size(dest), 0L, "File length 0. Should at least be some bytes");
  70         r.close();
  71     }
  72 
  73 }