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.VoidFunction; 41 42 /* 43 * @test 44 * @summary Test setDestination to invalid paths 45 * @key jfr 46 * @library /lib/testlibrary 47 * @run main/othervm jdk.jfr.api.recording.destination.TestDestInvalid 48 */ 49 public class TestDestInvalid { 50 51 public static void main(String[] args) throws Throwable { 52 Recording r = new Recording(); 53 r.enable(EventNames.OSInformation); 54 r.setToDisk(true); 55 56 Asserts.assertNull(r.getDestination(), "dest not null by default"); 57 58 // Set destination to empty path (same as curr dir, not a file) 59 verifyException(()->{r.setDestination(Paths.get(""));}, "No exception for setDestination(\"\")", IOException.class); 60 System.out.println("1 destination: " + r.getDestination()); 61 Asserts.assertNull(r.getDestination(), "default dest not null after failed setDest"); 62 63 // Set dest to a valid path. This should be kept when a new setDest fails. 64 Path dest = Paths.get(".", "my.jfr"); 65 r.setDestination(dest); 66 System.out.println("2 destination: " + r.getDestination()); 67 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 68 69 // Null is allowed for setDestination() 70 r.setDestination(null); 71 System.out.println("3 destination: " + r.getDestination()); 72 Asserts.assertNull(r.getDestination(), "dest not null after setDest(null)"); 73 74 // Reset dest to correct value and make ssure it is not overwritten 75 r.setDestination(dest); 76 System.out.println("4 destination: " + r.getDestination()); 77 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 78 79 // Set destination to an existing dir. Old dest is saved. 80 verifyException(()->{r.setDestination(Paths.get("."));}, "No exception for setDestination(.)", IOException.class); 81 System.out.println("5 destination: " + r.getDestination()); 82 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 83 84 // Set destination to a non-existing dir. Old dest is saved. 85 verifyException(()->{r.setDestination(Paths.get(".", "missingdir", "my.jfr"));}, "No exception for setDestination(dirNotExists)", IOException.class); 86 System.out.println("6 destination: " + r.getDestination()); 87 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 88 89 // Verify that it works with the old setDest value. 90 r.start(); 91 r.stop(); 92 r.close(); 93 Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest); 94 List<RecordedEvent> events = RecordingFile.readAllEvents(dest); 95 Asserts.assertFalse(events.isEmpty(), "No event found"); 96 System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString()); 97 } 98 99 private static void verifyException(VoidFunction f, String msg, Class<?> exceptionClass) throws Throwable { 100 CommonHelper.verifyException(f, msg, IOException.class); 101 } 102 103 }