/* * 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.consumer; import java.util.List; import jdk.jfr.Description; import jdk.jfr.Event; import jdk.jfr.Recording; import jdk.jfr.ValueDescriptor; import jdk.jfr.consumer.RecordedClass; import jdk.jfr.consumer.RecordedClassLoader; import jdk.jfr.consumer.RecordedEvent; import jdk.test.lib.Asserts; import jdk.test.lib.jfr.Events; /** * @test * @summary Verifies the methods of the RecordedEvent * @key jfr * * @library /lib / * @run main/othervm jdk.jfr.api.consumer.TestRecordedEvent */ public class TestRecordedEvent { static class MyClass { } static class TestEvent extends Event { @Description("MyField") Class clzField = String.class; int intField; String stringField = "myString"; Class myClass = MyClass.class; } public static void main(String[] args) throws Throwable { Recording r = new Recording(); r.start(); TestEvent t = new TestEvent(); t.commit(); r.stop(); List events = Events.fromRecording(r); Events.hasEvents(events); Asserts.assertEquals(events.size(), 1); RecordedEvent event = events.get(0); List descriptors = event.getFields(); System.out.println("Descriptors"); for (ValueDescriptor descriptor : descriptors) { System.out.println(descriptor.getName()); System.out.println(descriptor.getTypeName()); } System.out.println("Descriptors end"); Object recordedClass = event.getValue("clzField"); Asserts.assertTrue(recordedClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass); Object recordedInt = event.getValue("intField"); Asserts.assertTrue(recordedInt instanceof Integer); Object recordedString = event.getValue("stringField"); System.out.println("recordedString class: " + recordedString.getClass()); Asserts.assertTrue(recordedString instanceof String); Object myClass = event.getValue("myClass"); Asserts.assertTrue(myClass instanceof RecordedClass, "Expected Recorded Class got " + recordedClass); RecordedClass myRecClass = (RecordedClass) myClass; Asserts.assertEquals(MyClass.class.getName(), myRecClass.getName(), "Got " + myRecClass.getName()); Object recordedClassLoader = myRecClass.getValue("classLoader"); Asserts.assertTrue(recordedClassLoader instanceof RecordedClassLoader, "Expected Recorded ClassLoader got " + recordedClassLoader); RecordedClassLoader myRecClassLoader = (RecordedClassLoader)recordedClassLoader; ClassLoader cl = MyClass.class.getClassLoader(); Asserts.assertEquals(cl.getClass().getName(), myRecClassLoader.getType().getName(), "Expected Recorded ClassLoader type to equal loader type"); Asserts.assertNotNull(myRecClass.getModifiers()); } }