1 /* 2 * Copyright (c) 2016, 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.startupargs; 27 28 import jdk.jfr.Event; 29 import jdk.jfr.EventType; 30 import jdk.jfr.Recording; 31 import jdk.test.lib.Asserts; 32 import jdk.test.lib.jfr.Events; 33 import jdk.test.lib.jfr.SimpleEvent; 34 35 /* 36 * @test 37 * @key jfr 38 * @library /test/lib 39 * @run main/othervm -XX:FlightRecorderOptions=retransform=false jdk.jfr.startupargs.TestRetransform 40 * @run main/othervm -XX:FlightRecorderOptions=retransform=true jdk.jfr.startupargs.TestRetransform 41 */ 42 public class TestRetransform { 43 private static class TestEvent extends Event { 44 } 45 public static void main(String[] args) throws Exception { 46 EventType type = EventType.getEventType(TestEvent.class); 47 if (type.isEnabled()) { 48 Asserts.fail("Expected event to be disabled before recording start"); 49 } 50 Recording r = new Recording(); 51 r.start(); 52 if (!type.isEnabled()) { 53 Asserts.fail("Expected event to be enabled during recording"); 54 } 55 TestEvent testEvent = new TestEvent(); 56 testEvent.commit(); 57 loadEventClassDuringRecording(); 58 r.stop(); 59 if (type.isEnabled()) { 60 Asserts.fail("Expected event to be disabled after recording stopped"); 61 } 62 Events.hasEvent(r, SimpleEvent.class.getName()); 63 Events.hasEvent(r, TestEvent.class.getName()); 64 } 65 66 // Classes that are loaded during a recording 67 // should get instrumentation on class load 68 private static void loadEventClassDuringRecording() { 69 SimpleEvent event = new SimpleEvent(); 70 event.commit(); 71 } 72 73 }