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.io.IOException;
  29 import java.nio.file.Path;
  30 import java.nio.file.Paths;
  31 
  32 import jdk.jfr.Recording;
  33 import jdk.test.lib.jfr.CommonHelper;
  34 import jdk.test.lib.jfr.EventNames;
  35 import jdk.test.lib.jfr.FileHelper;
  36 import jdk.test.lib.jfr.VoidFunction;
  37 
  38 /**
  39  * @test
  40  * @summary Test copyTo and parse file
  41  * @key jfr
  42  * 
  43  * @library /lib /
  44  * @run main/othervm jdk.jfr.api.recording.dump.TestDumpReadOnly
  45  */
  46 public class TestDumpReadOnly {
  47 
  48     private static final String OS_INFORMATION = EventNames.OSInformation;
  49 
  50     public static void main(String[] args) throws Throwable {
  51 
  52         Path readOnlyDir = FileHelper.createReadOnlyDir(Paths.get(".", "readonlydir"));
  53         if (!FileHelper.isReadOnlyPath(readOnlyDir)) {
  54             System.out.println("Failed to create read-only path. Maybe running a root? Test skipped");
  55             return;
  56         }
  57         Recording r = new Recording();
  58         r.enable(OS_INFORMATION);
  59         r.start();
  60         r.stop();
  61         Path path = Paths.get(readOnlyDir.toString(), "my.jfr");
  62         verifyException(()->{r.dump(path);}, "No Exception when dumping read-only dir");
  63         r.close();
  64     }
  65 
  66     private static void verifyException(VoidFunction f, String msg) throws Throwable {
  67         CommonHelper.verifyException(f, msg, IOException.class);
  68     }
  69 
  70 }