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.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.test.lib.Asserts; 39 import jdk.test.lib.jfr.CommonHelper; 40 import jdk.test.lib.jfr.Events; 41 import jdk.test.lib.jfr.SimpleEvent; 42 import jdk.test.lib.jfr.SimpleEventHelper; 43 import jdk.test.lib.jfr.VoidFunction; 44 45 /** 46 * @test 47 * @summary call copyTo() with recording in all states. 48 * @key jfr 49 * 50 * @library /lib / 51 * @run main/othervm jdk.jfr.api.recording.dump.TestDumpState 52 */ 53 public class TestDumpState { 54 55 public static void main(String[] args) throws Throwable { 56 Recording r = new Recording(); 57 SimpleEventHelper.enable(r, true); 58 59 List<Integer> expectedIds = new ArrayList<>(); 60 61 SimpleEventHelper.createEvent(0); // Recording not started, should not be included. 62 verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() not started"); 63 64 r.start(); 65 SimpleEventHelper.createEvent(1); 66 expectedIds.add(1); 67 checkEvents(r, expectedIds); 68 69 SimpleEventHelper.createEvent(2); 70 expectedIds.add(2); 71 checkEvents(r, expectedIds); 72 73 r.stop(); 74 checkEvents(r, expectedIds); 75 76 SimpleEventHelper.createEvent(3); // Recording stopped, should not be included. 77 checkEvents(r, expectedIds); 78 79 r.close(); 80 SimpleEventHelper.createEvent(4); 81 verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() closed"); 82 } 83 84 private static int recordingCounter = 0; 85 private static void checkEvents(Recording r, List<Integer> expectedIds) throws Exception { 86 Path path = Paths.get(".", String.format("%d.jfr", recordingCounter++)); 87 r.dump(path); 88 Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path); 89 90 int index = 0; 91 92 for (RecordedEvent event : RecordingFile.readAllEvents(path)) { 93 Events.isEventType(event, SimpleEvent.class.getName()); 94 Integer id = Events.assertField(event, "id").getValue(); 95 System.out.println("Got event with id " + id); 96 Asserts.assertGreaterThan(expectedIds.size(), index, "Too many Events found"); 97 Asserts.assertEquals(id, expectedIds.get(index), "Wrong id at index " + index); 98 ++index; 99 } 100 Asserts.assertEquals(index, expectedIds.size(), "Too few Events found"); 101 } 102 103 private static void verifyIOException(VoidFunction f, String msg) throws Throwable { 104 CommonHelper.verifyException(f, msg, IOException.class); 105 } 106 107 }