--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/api/recording/destination/TestDestReadOnly.java 2018-04-09 17:09:47.204594773 +0200 @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.api.recording.destination; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.List; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedEvent; +import jdk.jfr.consumer.RecordingFile; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.CommonHelper; +import jdk.test.lib.jfr.EventNames; +import jdk.test.lib.jfr.FileHelper; +import jdk.test.lib.jfr.VoidFunction; + +/* + * @test + * @summary Test setDestination to read-only dir + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.api.recording.destination.TestDestReadOnly + */ +public class TestDestReadOnly { + + public static void main(String[] args) throws Throwable { + Path readOnlyDir = FileHelper.createReadOnlyDir(Paths.get(".", "readonly")); + if (!FileHelper.isReadOnlyPath(readOnlyDir)) { + System.out.println("Failed to create read-only dir. Running as root?. Test ignored"); + return; + } + + Path readOnlyDest = Paths.get(readOnlyDir.toString(), "readonly.jfr"); + Recording r = new Recording(); + r.enable(EventNames.OSInformation); + r.setToDisk(true); + verifyException(()->{r.setDestination(readOnlyDest);}, "No exception for setDestination to read-only dir"); + + System.out.println("r.getDestination() = " + r.getDestination()); + + // Verify that it works if we set destination to a writable dir. + Path dest = Paths.get(".", "my.jfr"); + r.setDestination(dest); + r.start(); + r.stop(); + r.close(); + Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest); + List events = RecordingFile.readAllEvents(dest); + Asserts.assertFalse(events.isEmpty(), "No event found"); + System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString()); + } + + private static void verifyException(VoidFunction f, String msg) throws Throwable { + CommonHelper.verifyException(f, msg, IOException.class); + } + +}