--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/api/recording/destination/TestDestFileReadOnly.java 2020-01-30 06:30:33.062657799 +0000 @@ -0,0 +1,65 @@ +/* + * 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.Path; +import java.nio.file.Paths; + +import jdk.jfr.Recording; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.FileHelper; + +/** + * @test + * @summary Set destination to a read-only file. Expects exception. + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.recording.destination.TestDestFileReadOnly + */ +public class TestDestFileReadOnly { + + public static void main(String[] args) throws Throwable { + Path dest = FileHelper.createReadOnlyFile(Paths.get(".", "readonly.txt")); + System.out.println("dest=" + dest.toFile().getAbsolutePath()); + if (!FileHelper.isReadOnlyPath(dest)) { + System.out.println("Failed to create a read-only file. Test ignored."); + return; + } + + Recording r = new Recording(); + r.setToDisk(true); + try { + r.setDestination(dest); + Asserts.fail("No exception when destination is read-only"); + } catch (IOException e) { + // Expected exception + } + r.close(); + } + +}