1 /*
   2  * Copyright (c) 2018, 2019, 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.Files;
  30 import java.nio.file.Path;
  31 import java.nio.file.Paths;
  32 
  33 import jdk.jfr.Recording;
  34 import jdk.jfr.consumer.RecordingFile;
  35 import jdk.testlibrary.Asserts;
  36 import jdk.testlibrary.jfr.CommonHelper;
  37 import jdk.testlibrary.jfr.EventNames;
  38 import jdk.testlibrary.jfr.VoidFunction;
  39 
  40 /*
  41  * @test
  42  * @summary Test copyTo and parse file
  43  * @key jfr
  44  * @library /lib/testlibrary
  45  * @run main/othervm jdk.jfr.api.recording.dump.TestDumpInvalid
  46  */
  47 public class TestDumpInvalid {
  48 
  49     public static void main(String[] args) throws Throwable {
  50         Recording r = new Recording();
  51         r.enable(EventNames.OSInformation);
  52         r.start();
  53         r.stop();
  54 
  55         verifyNullPointer(()->{r.dump(null);}, "No NullPointerException");
  56 
  57         Path pathNotExists = Paths.get(".", "dirNotExists", "my.jfr");
  58         verifyFileNotFound(()->{r.dump(pathNotExists);}, "No Exception with missing dir");
  59 
  60         Path pathEmpty = Paths.get("");
  61         verifyFileNotFound(()->{r.dump(pathEmpty);}, "No Exception with empty path");
  62 
  63         Path pathDir = Paths.get(".", "newdir");
  64         Files.createDirectory(pathDir);
  65         verifyFileNotFound(()->{r.dump(pathDir);}, "No Exception with dir");
  66 
  67         // Verify that copyTo() works after all failed attempts.
  68         Path pathOk = Paths.get(".", "newdir", "my.jfr");
  69         r.dump(pathOk);
  70         Asserts.assertTrue(Files.exists(pathOk), "Recording file does not exist: " + pathOk);
  71         Asserts.assertFalse(RecordingFile.readAllEvents(pathOk).isEmpty(), "No events found");
  72 
  73         r.close();
  74     }
  75 
  76     private static void verifyFileNotFound(VoidFunction f, String msg) throws Throwable {
  77         CommonHelper.verifyException(f, msg, IOException.class);
  78     }
  79 
  80     private static void verifyNullPointer(VoidFunction f, String msg) throws Throwable {
  81         CommonHelper.verifyException(f, msg, NullPointerException.class);
  82     }
  83 
  84 }