--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/api/recording/dump/TestDumpState.java 2019-02-08 18:33:03.509205147 +0300 @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.api.recording.dump; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.List; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedEvent; +import jdk.jfr.consumer.RecordingFile; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.CommonHelper; +import jdk.test.lib.jfr.Events; +import jdk.test.lib.jfr.SimpleEvent; +import jdk.test.lib.jfr.SimpleEventHelper; +import jdk.test.lib.jfr.VoidFunction; + +/** + * @test + * @summary call copyTo() with recording in all states. + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.recording.dump.TestDumpState + */ +public class TestDumpState { + + public static void main(String[] args) throws Throwable { + Recording r = new Recording(); + SimpleEventHelper.enable(r, true); + + List expectedIds = new ArrayList<>(); + + SimpleEventHelper.createEvent(0); // Recording not started, should not be included. + verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() not started"); + + r.start(); + SimpleEventHelper.createEvent(1); + expectedIds.add(1); + checkEvents(r, expectedIds); + + SimpleEventHelper.createEvent(2); + expectedIds.add(2); + checkEvents(r, expectedIds); + + r.stop(); + checkEvents(r, expectedIds); + + SimpleEventHelper.createEvent(3); // Recording stopped, should not be included. + checkEvents(r, expectedIds); + + r.close(); + SimpleEventHelper.createEvent(4); + verifyIOException(()->{checkEvents(r, expectedIds);}, "No Exception when dump() closed"); + } + + private static int recordingCounter = 0; + private static void checkEvents(Recording r, List expectedIds) throws Exception { + Path path = Paths.get(".", String.format("%d.jfr", recordingCounter++)); + r.dump(path); + Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path); + + int index = 0; + + for (RecordedEvent event : RecordingFile.readAllEvents(path)) { + Events.isEventType(event, SimpleEvent.class.getName()); + Integer id = Events.assertField(event, "id").getValue(); + System.out.println("Got event with id " + id); + Asserts.assertGreaterThan(expectedIds.size(), index, "Too many Events found"); + Asserts.assertEquals(id, expectedIds.get(index), "Wrong id at index " + index); + ++index; + } + Asserts.assertEquals(index, expectedIds.size(), "Too few Events found"); + } + + private static void verifyIOException(VoidFunction f, String msg) throws Throwable { + CommonHelper.verifyException(f, msg, IOException.class); + } + +}