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.dump; 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 33 import jdk.jfr.Recording; 34 import jdk.jfr.consumer.RecordingFile; 35 import jdk.testlibrary.Asserts; 36 import jdk.testlibrary.jfr.CommonHelper; 37 import jdk.testlibrary.jfr.EventNames; 38 import jdk.testlibrary.jfr.VoidFunction; 39 40 /* 41 * @test 42 * @summary Test copyTo and parse file 43 * @key jfr 44 * @library /lib/testlibrary 45 * @run main/othervm jdk.jfr.api.recording.dump.TestDumpInvalid 46 */ 47 public class TestDumpInvalid { 48 49 public static void main(String[] args) throws Throwable { 50 Recording r = new Recording(); 51 r.enable(EventNames.OSInformation); 52 r.start(); 53 r.stop(); 54 55 verifyNullPointer(()->{r.dump(null);}, "No NullPointerException"); 56 57 Path pathNotExists = Paths.get(".", "dirNotExists", "my.jfr"); 58 verifyFileNotFound(()->{r.dump(pathNotExists);}, "No Exception with missing dir"); 59 60 Path pathEmpty = Paths.get(""); 61 verifyFileNotFound(()->{r.dump(pathEmpty);}, "No Exception with empty path"); 62 63 Path pathDir = Paths.get(".", "newdir"); 64 Files.createDirectory(pathDir); 65 verifyFileNotFound(()->{r.dump(pathDir);}, "No Exception with dir"); 66 67 // Verify that copyTo() works after all failed attempts. 68 Path pathOk = Paths.get(".", "newdir", "my.jfr"); 69 r.dump(pathOk); 70 Asserts.assertTrue(Files.exists(pathOk), "Recording file does not exist: " + pathOk); 71 Asserts.assertFalse(RecordingFile.readAllEvents(pathOk).isEmpty(), "No events found"); 72 73 r.close(); 74 } 75 76 private static void verifyFileNotFound(VoidFunction f, String msg) throws Throwable { 77 CommonHelper.verifyException(f, msg, IOException.class); 78 } 79 80 private static void verifyNullPointer(VoidFunction f, String msg) throws Throwable { 81 CommonHelper.verifyException(f, msg, NullPointerException.class); 82 } 83 84 }