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 java.io.IOException;

    29 import java.nio.file.Files;

    30 import java.nio.file.Path;

    31 import java.nio.file.Paths;

    32 import java.util.List;

    33 

    34 import jdk.jfr.Recording;

    35 import jdk.jfr.consumer.RecordedEvent;

    36 import jdk.jfr.consumer.RecordingFile;

    37 import jdk.test.lib.Asserts;

    38 import jdk.test.lib.jfr.CommonHelper;

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

    40 import jdk.test.lib.jfr.VoidFunction;

    41 

    42 /*

    43  * @test

    44  * @summary Test setDestination to invalid paths

    45  * @key jfr

    46  * @library /test/lib

    47  * @run main/othervm jdk.jfr.api.recording.destination.TestDestInvalid

    48  */

    49 public class TestDestInvalid {

    50 

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

    52         Recording r = new Recording();

    53         r.enable(EventNames.OSInformation);

    54         r.setToDisk(true);

    55 

    56         Asserts.assertNull(r.getDestination(), "dest not null by default");

    57 

    58         // Set destination to empty path (same as curr dir, not a file)

    59         verifyException(()->{r.setDestination(Paths.get(""));}, "No exception for setDestination(\"\")", IOException.class);

    60         System.out.println("1 destination: " + r.getDestination());

    61         Asserts.assertNull(r.getDestination(), "default dest not null after failed setDest");

    62 

    63         // Set dest to a valid path. This should be kept when a new setDest fails.

    64         Path dest = Paths.get(".", "my.jfr");

    65         r.setDestination(dest);

    66         System.out.println("2 destination: " + r.getDestination());

    67         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");

    68 

    69         // Null is allowed for setDestination()

    70         r.setDestination(null);

    71         System.out.println("3 destination: " + r.getDestination());

    72         Asserts.assertNull(r.getDestination(), "dest not null after setDest(null)");

    73 

    74         // Reset dest to correct value and make ssure it is not overwritten

    75         r.setDestination(dest);

    76         System.out.println("4 destination: " + r.getDestination());

    77         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");

    78 

    79         // Set destination to an existing dir. Old dest is saved.

    80         verifyException(()->{r.setDestination(Paths.get("."));}, "No exception for setDestination(.)", IOException.class);

    81         System.out.println("5 destination: " + r.getDestination());

    82         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");

    83 

    84         // Set destination to a non-existing dir. Old dest is saved.

    85         verifyException(()->{r.setDestination(Paths.get(".", "missingdir", "my.jfr"));}, "No exception for setDestination(dirNotExists)", IOException.class);

    86         System.out.println("6 destination: " + r.getDestination());

    87         Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");

    88 

    89         // Verify that it works with the old setDest value.

    90         r.start();

    91         r.stop();

    92         r.close();

    93         Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest);

    94         List<RecordedEvent> events = RecordingFile.readAllEvents(dest);

    95         Asserts.assertFalse(events.isEmpty(), "No event found");

    96         System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString());

    97     }

    98 

    99     private static void verifyException(VoidFunction f, String msg, Class<?> exceptionClass) throws Throwable {

   100         CommonHelper.verifyException(f, msg, IOException.class);

   101     }

   102 

   103 }