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.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.test.lib.Asserts; 38 import jdk.test.lib.jfr.CommonHelper; 39 import jdk.test.lib.jfr.EventNames; 40 import jdk.test.lib.jfr.VoidFunction; 41 42 /** 43 * @test 44 * @summary Test setDestination to invalid paths 45 * @key jfr 46 * @requires vm.hasJFR 47 * @library /test/lib 48 * @run main/othervm jdk.jfr.api.recording.destination.TestDestInvalid 49 */ 50 public class TestDestInvalid { 51 52 public static void main(String[] args) throws Throwable { 53 Recording r = new Recording(); 54 r.enable(EventNames.OSInformation); 55 r.setToDisk(true); 56 57 Asserts.assertNull(r.getDestination(), "dest not null by default"); 58 59 // Set destination to empty path (same as curr dir, not a file) 60 verifyException(()->{r.setDestination(Paths.get(""));}, "No exception for setDestination(\"\")", IOException.class); 61 System.out.println("1 destination: " + r.getDestination()); 62 Asserts.assertNull(r.getDestination(), "default dest not null after failed setDest"); 63 64 // Set dest to a valid path. This should be kept when a new setDest fails. 65 Path dest = Paths.get(".", "my.jfr"); 66 r.setDestination(dest); 67 System.out.println("2 destination: " + r.getDestination()); 68 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 69 70 // Null is allowed for setDestination() 71 r.setDestination(null); 72 System.out.println("3 destination: " + r.getDestination()); 73 Asserts.assertNull(r.getDestination(), "dest not null after setDest(null)"); 74 75 // Reset dest to correct value and make ssure it is not overwritten 76 r.setDestination(dest); 77 System.out.println("4 destination: " + r.getDestination()); 78 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 79 80 // Set destination to an existing dir. Old dest is saved. 81 verifyException(()->{r.setDestination(Paths.get("."));}, "No exception for setDestination(.)", IOException.class); 82 System.out.println("5 destination: " + r.getDestination()); 83 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 84 85 // Set destination to a non-existing dir. Old dest is saved. 86 verifyException(()->{r.setDestination(Paths.get(".", "missingdir", "my.jfr"));}, "No exception for setDestination(dirNotExists)", IOException.class); 87 System.out.println("6 destination: " + r.getDestination()); 88 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest"); 89 90 // Verify that it works with the old setDest value. 91 r.start(); 92 r.stop(); 93 r.close(); 94 Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest); 95 List<RecordedEvent> events = RecordingFile.readAllEvents(dest); 96 Asserts.assertFalse(events.isEmpty(), "No event found"); 97 System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString()); 98 } 99 100 private static void verifyException(VoidFunction f, String msg, Class<?> exceptionClass) throws Throwable { 101 CommonHelper.verifyException(f, msg, IOException.class); 102 } 103 104 }