--- /dev/null 2018-06-17 23:18:20.806999507 +0800 +++ new/test/jdk/jfr/api/flightrecorder/TestGetEventTypes.java 2019-01-29 11:01:00.492202610 +0800 @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2018, 2019, 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.flightrecorder; + +import static jdk.testlibrary.Asserts.assertFalse; +import static jdk.testlibrary.Asserts.assertTrue; + +import java.util.HashSet; +import java.util.Set; + +import jdk.jfr.Event; +import jdk.jfr.EventType; +import jdk.jfr.FlightRecorder; +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedEvent; +import jdk.testlibrary.jfr.Events; + +/* + * @test + * @key jfr + * @library /lib/testlibrary + * @run main/othervm/timeout=600 jdk.jfr.api.flightrecorder.TestGetEventTypes + */ +public class TestGetEventTypes { + + public static void main(String[] args) throws Throwable { + Recording r1 = new Recording(); + r1.setToDisk(true); + + MyEvent myEvent = new MyEvent(); + EventType t = EventType.getEventType(MyEvent.class); + System.out.println(t.getName()); + boolean isMyEventFound = false; + for (EventType eventType : FlightRecorder.getFlightRecorder().getEventTypes()) { + System.out.println(": eventType: " + eventType.getName()); + r1.enable(eventType.getName()); + if (eventType.getName().equals(MyEvent.class.getName())) { + isMyEventFound = true; + } + } + assertTrue(isMyEventFound, "EventType for MyEvent not found"); + + r1.start(); + myEvent.begin(); + myEvent.end(); + myEvent.commit(); + r1.stop(); + + Set eventTypeNames = new HashSet(); + for (EventType et : FlightRecorder.getFlightRecorder().getEventTypes()) { + assertFalse(eventTypeNames.contains(et.getName()), "EventType returned twice: " + et.getName()); + eventTypeNames.add(et.getName()); + } + + isMyEventFound = false; + for (RecordedEvent event : Events.fromRecording(r1)) { + final String name = event.getEventType().getName(); + System.out.println("event.getEventType: " + name); + assertTrue(eventTypeNames.contains(name), "Missing EventType: " + name); + if (name.equals(MyEvent.class.getName())) { + isMyEventFound = true; + } + } + r1.close(); + assertTrue(isMyEventFound, "Event for MyEvent not found"); + } + + private static class MyEvent extends Event { + } + +}