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.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.test.lib.Asserts;
  36 import jdk.test.lib.jfr.CommonHelper;
  37 import jdk.test.lib.jfr.EventNames;
  38 import jdk.test.lib.jfr.VoidFunction;
  39 
  40 /**
  41  * @test
  42  * @summary Test copyTo and parse file
  43  * @key jfr
  44  *
  45  * @library /lib /
  46  * @run main/othervm jdk.jfr.api.recording.dump.TestDumpInvalid
  47  */
  48 public class TestDumpInvalid {
  49 
  50     public static void main(String[] args) throws Throwable {
  51         Recording r = new Recording();
  52         r.enable(EventNames.OSInformation);
  53         r.start();
  54         r.stop();
  55 
  56         verifyNullPointer(()->{r.dump(null);}, "No NullPointerException");
  57 
  58         Path pathNotExists = Paths.get(".", "dirNotExists", "my.jfr");
  59         verifyFileNotFound(()->{r.dump(pathNotExists);}, "No Exception with missing dir");
  60 
  61         Path pathEmpty = Paths.get("");
  62         verifyFileNotFound(()->{r.dump(pathEmpty);}, "No Exception with empty path");
  63 
  64         Path pathDir = Paths.get(".", "newdir");
  65         Files.createDirectory(pathDir);
  66         verifyFileNotFound(()->{r.dump(pathDir);}, "No Exception with dir");
  67 
  68         // Verify that copyTo() works after all failed attempts.
  69         Path pathOk = Paths.get(".", "newdir", "my.jfr");
  70         r.dump(pathOk);
  71         Asserts.assertTrue(Files.exists(pathOk), "Recording file does not exist: " + pathOk);
  72         Asserts.assertFalse(RecordingFile.readAllEvents(pathOk).isEmpty(), "No events found");
  73 
  74         r.close();
  75     }
  76 
  77     private static void verifyFileNotFound(VoidFunction f, String msg) throws Throwable {
  78         CommonHelper.verifyException(f, msg, IOException.class);
  79     }
  80 
  81     private static void verifyNullPointer(VoidFunction f, String msg) throws Throwable {
  82         CommonHelper.verifyException(f, msg, NullPointerException.class);
  83     }
  84 
  85 }