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.consumer; 27 28 import java.util.List; 29 30 import jdk.jfr.Description; 31 import jdk.jfr.Event; 32 import jdk.jfr.Label; 33 import jdk.jfr.Recording; 34 import jdk.jfr.ValueDescriptor; 35 import jdk.jfr.consumer.RecordedEvent; 36 import jdk.test.lib.Asserts; 37 import jdk.test.lib.jfr.Events; 38 39 40 /** 41 * @test 42 * @summary Verifies that the recorded value descriptors are correct 43 * @key jfr 44 * 45 * @library /lib / 46 * @run main/othervm jdk.jfr.api.consumer.TestValueDescriptorRecorded 47 */ 48 public class TestValueDescriptorRecorded { 49 50 private static class MyEvent extends Event { 51 52 @Label("myLabel") 53 @Description("myDescription") 54 int myValue; 55 } 56 57 public static void main(String[] args) throws Throwable { 58 Recording r = new Recording(); 59 r.enable(MyEvent.class).withoutStackTrace(); 60 r.start(); 61 MyEvent event = new MyEvent(); 62 event.commit(); 63 r.stop(); 64 65 List<RecordedEvent> events = Events.fromRecording(r); 66 Events.hasEvents(events); 67 RecordedEvent recordedEvent = events.get(0); 68 69 for (ValueDescriptor desc : recordedEvent.getFields()) { 70 if ("myValue".equals(desc.getName())) { 71 Asserts.assertEquals(desc.getLabel(), "myLabel"); 72 Asserts.assertEquals(desc.getDescription(), "myDescription"); 73 Asserts.assertEquals(desc.getTypeName(), int.class.getName()); 74 Asserts.assertFalse(desc.isArray()); 75 Asserts.assertNull(desc.getContentType()); 76 } 77 } 78 } 79 }