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.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.testlibrary.Asserts; 38 import jdk.testlibrary.jfr.CommonHelper; 39 import jdk.testlibrary.jfr.EventNames; 40 import jdk.testlibrary.jfr.FileHelper; 41 import jdk.testlibrary.jfr.VoidFunction; 42 43 /* 44 * @test 45 * @summary Test setDestination to read-only dir 46 * @key jfr 47 * @library /lib/testlibrary 48 * @run main/othervm jdk.jfr.api.recording.destination.TestDestReadOnly 49 */ 50 public class TestDestReadOnly { 51 52 public static void main(String[] args) throws Throwable { 53 Path readOnlyDir = FileHelper.createReadOnlyDir(Paths.get(".", "readonly")); 54 if (!FileHelper.isReadOnlyPath(readOnlyDir)) { 55 System.out.println("Failed to create read-only dir. Running as root?. Test ignored"); 56 return; 57 } 58 59 Path readOnlyDest = Paths.get(readOnlyDir.toString(), "readonly.jfr"); 60 Recording r = new Recording(); 61 r.enable(EventNames.OSInformation); 62 r.setToDisk(true); 63 verifyException(()->{r.setDestination(readOnlyDest);}, "No exception for setDestination to read-only dir"); 64 65 System.out.println("r.getDestination() = " + r.getDestination()); 66 67 // Verify that it works if we set destination to a writable dir. 68 Path dest = Paths.get(".", "my.jfr"); 69 r.setDestination(dest); 70 r.start(); 71 r.stop(); 72 r.close(); 73 Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest); 74 List<RecordedEvent> events = RecordingFile.readAllEvents(dest); 75 Asserts.assertFalse(events.isEmpty(), "No event found"); 76 System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString()); 77 } 78 79 private static void verifyException(VoidFunction f, String msg) throws Throwable { 80 CommonHelper.verifyException(f, msg, IOException.class); 81 } 82 83 }