--- /dev/null 2018-06-17 23:18:20.806999507 +0800 +++ new/test/jdk/jfr/api/metadata/eventtype/TestGetEventType.java 2019-01-29 11:01:26.214448757 +0800 @@ -0,0 +1,61 @@ +/* + * 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.metadata.eventtype; + +import jdk.jfr.Event; +import jdk.jfr.EventType; +import jdk.testlibrary.Asserts; + +/* + * @test + * @summary Test getEventType() + * @key jfr + * @library /lib/testlibrary + * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetEventType + */ +public class TestGetEventType { + + public static void main(String[] args) throws Throwable { + EventType type = EventType.getEventType(MyEventA.class); + Asserts.assertEquals(type.getName(), MyEventA.class.getName(), "Wrong EventType for MyEventA"); + + type = EventType.getEventType(MyEventB.class); + Asserts.assertEquals(type.getName(), MyEventB.class.getName(), "Wrong EventType for MyEventB"); + + try { + EventType.getEventType(null); + Asserts.fail("No exception for getEventType(null)"); + } catch (Exception e) { + // Expected exception + } + } + + private static class MyEventA extends Event { + } + + private static class MyEventB extends Event { + } +}