--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/api/event/TestIsEnabled.java 2018-04-09 16:40:34.169765626 +0200 @@ -0,0 +1,87 @@ +/* + * 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.event; + +import jdk.jfr.EventType; +import jdk.jfr.Recording; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.SimpleEvent; + +/* + * @test + * @summary Test Event.isEnabled() + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.api.event.TestIsEnabled + */ + +public class TestIsEnabled { + + public static void main(String[] args) throws Exception { + assertDisabled("Event enabled with no recording"); + + Recording r = new Recording(); + assertDisabled("Event enabled at new Recording()"); + + r.enable(SimpleEvent.class); + assertDisabled("Event enabled before r.start()"); + + r.start(); + + // enable/disable by class + assertEnabled("Event not enabled after r.start()"); + r.disable(SimpleEvent.class); + assertDisabled("Event enabled after r.disable()"); + r.enable(SimpleEvent.class); + assertEnabled("Event disabled afer r.enable()"); + + // enable/disable by event setting name + String eventSettingName = String.valueOf(EventType.getEventType(SimpleEvent.class).getId()); + System.out.println("eventSettingName=" + eventSettingName); + + r.disable(eventSettingName); + assertDisabled("Event enabled after r.disable(name)"); + r.enable(eventSettingName); + assertEnabled("Event disabled after r.enable(name)"); + + r.stop(); + assertDisabled("Event enabled after r.stop()"); + + r.close(); + assertDisabled("Event enabled after r.close()"); + } + + private static void assertEnabled(String msg) { + SimpleEvent event = new SimpleEvent(); + Asserts.assertTrue(event.isEnabled(), msg); + } + + private static void assertDisabled(String msg) { + SimpleEvent event = new SimpleEvent(); + Asserts.assertFalse(event.isEnabled(), msg); + } + +}