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.event; 27 28 import jdk.jfr.EventType; 29 import jdk.jfr.Recording; 30 import jdk.test.lib.Asserts; 31 import jdk.test.lib.jfr.SimpleEvent; 32 33 /** 34 * @test 35 * @summary Test Event.isEnabled() 36 * @key jfr 37 * 38 * @library /lib / 39 * @run main/othervm jdk.jfr.api.event.TestIsEnabled 40 */ 41 42 public class TestIsEnabled { 43 44 public static void main(String[] args) throws Exception { 45 assertDisabled("Event enabled with no recording"); 46 47 Recording r = new Recording(); 48 assertDisabled("Event enabled at new Recording()"); 49 50 r.enable(SimpleEvent.class); 51 assertDisabled("Event enabled before r.start()"); 52 53 r.start(); 54 55 // enable/disable by class 56 assertEnabled("Event not enabled after r.start()"); 57 r.disable(SimpleEvent.class); 58 assertDisabled("Event enabled after r.disable()"); 59 r.enable(SimpleEvent.class); 60 assertEnabled("Event disabled afer r.enable()"); 61 62 // enable/disable by event setting name 63 String eventSettingName = String.valueOf(EventType.getEventType(SimpleEvent.class).getId()); 64 System.out.println("eventSettingName=" + eventSettingName); 65 66 r.disable(eventSettingName); 67 assertDisabled("Event enabled after r.disable(name)"); 68 r.enable(eventSettingName); 69 assertEnabled("Event disabled after r.enable(name)"); 70 71 r.stop(); 72 assertDisabled("Event enabled after r.stop()"); 73 74 r.close(); 75 assertDisabled("Event enabled after r.close()"); 76 } 77 78 private static void assertEnabled(String msg) { 79 SimpleEvent event = new SimpleEvent(); 80 Asserts.assertTrue(event.isEnabled(), msg); 81 } 82 83 private static void assertDisabled(String msg) { 84 SimpleEvent event = new SimpleEvent(); 85 Asserts.assertFalse(event.isEnabled(), msg); 86 } 87 88 }