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