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 import java.util.ArrayList; 33 import java.util.List; 34 35 import jdk.jfr.Recording; 36 import jdk.jfr.consumer.RecordedEvent; 37 import jdk.jfr.consumer.RecordingFile; 38 import jdk.testlibrary.Asserts; 39 import jdk.testlibrary.jfr.CommonHelper; 40 import jdk.testlibrary.jfr.Events; 41 import jdk.testlibrary.jfr.SimpleEvent; 42 import jdk.testlibrary.jfr.SimpleEventHelper; 43 import jdk.testlibrary.jfr.VoidFunction; 44 45 /* 46 * @test 47 * @summary call copyTo() with recording in all states. 48 * @key jfr 49 * @library /lib/testlibrary 50 * @run main/othervm jdk.jfr.api.recording.dump.TestDumpState 51 */ 52 public class TestDumpState { 53 54 public static void main(String[] args) throws Throwable { 55 Recording r = new Recording(); 56 SimpleEventHelper.enable(r, true); 57 58 List<Integer> expectedIds = new ArrayList<>(); 59 60 SimpleEventHelper.createEvent(0); // Recording not started, should not be included. 61 verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() not started"); 62 63 r.start(); 64 SimpleEventHelper.createEvent(1); 65 expectedIds.add(1); 66 checkEvents(r, expectedIds); 67 68 SimpleEventHelper.createEvent(2); 69 expectedIds.add(2); 70 checkEvents(r, expectedIds); 71 72 r.stop(); 73 checkEvents(r, expectedIds); 74 75 SimpleEventHelper.createEvent(3); // Recording stopped, should not be included. 76 checkEvents(r, expectedIds); 77 78 r.close(); 79 SimpleEventHelper.createEvent(4); 80 verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() closed"); 81 } 82 83 private static int recordingCounter = 0; 84 private static void checkEvents(Recording r, List<Integer> expectedIds) throws Exception { 85 Path path = Paths.get(".", String.format("%d.jfr", recordingCounter++)); 86 r.dump(path); 87 Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path); 88 89 int index = 0; 90 91 for (RecordedEvent event : RecordingFile.readAllEvents(path)) { 92 Events.isEventType(event, SimpleEvent.class.getName()); 93 Integer id = Events.assertField(event, "id").getValue(); 94 System.out.println("Got event with id " + id); 95 Asserts.assertGreaterThan(expectedIds.size(), index, "Too many Events found"); 96 Asserts.assertEquals(id, expectedIds.get(index), "Wrong id at index " + index); 97 ++index; 98 } 99 Asserts.assertEquals(index, expectedIds.size(), "Too few Events found"); 100 } 101 102 private static void verifyIOException(VoidFunction f, String msg) throws Throwable { 103 CommonHelper.verifyException(f, msg, IOException.class); 104 } 105 106 }