1 /*
   2  * Copyright (c) 2015, 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.jcmd;
  27 
  28 import java.io.File;
  29 
  30 import jdk.test.lib.jfr.FileHelper;
  31 import jdk.test.lib.process.OutputAnalyzer;
  32 
  33 /**
  34  * @test
  35  * @summary The test verifies that recording can be written to a file both with JFR.start and JFR.stop
  36  * @key jfr
  37  *
  38  * @library /lib /
  39  * @run main/othervm jdk.jfr.jcmd.TestJcmdSaveToFile
  40  */
  41 public class TestJcmdSaveToFile {
  42 
  43     public static void main(String[] args) throws Exception {
  44         testStartAndSave();
  45         testStopAndSave();
  46     }
  47 
  48     private static void testStartAndSave() throws Exception {
  49         String name = "testStartAndSave";
  50         File recording = new File(name + ".jfr");
  51         OutputAnalyzer output = JcmdHelper.jcmd("JFR.start",
  52                 "name=" + name,
  53                 "duration=1h",
  54                 "filename=" + recording.getAbsolutePath());
  55         JcmdAsserts.assertRecordingHasStarted(output);
  56         JcmdHelper.waitUntilRunning(name);
  57         JcmdHelper.stopAndCheck(name);
  58         FileHelper.verifyRecording(recording);
  59     }
  60 
  61     private static void testStopAndSave() throws Exception {
  62         String name = "testStopAndSave";
  63         File recording = new File(name + ".jfr");
  64         OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name);
  65         JcmdAsserts.assertRecordingHasStarted(output);
  66         JcmdHelper.waitUntilRunning(name);
  67         JcmdHelper.stopWriteToFileAndCheck(name, recording);
  68         FileHelper.verifyRecording(recording);
  69     }
  70 }