--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/api/event/TestIsEnabledMultiple.java 2018-04-09 16:40:52.525756742 +0200 @@ -0,0 +1,127 @@ +/* + * 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.Event; +import jdk.jfr.EventType; +import jdk.jfr.Recording; +import jdk.test.lib.Asserts; + +/* + * @test + * @summary Test Event.isEnabled() with multiple recordings + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.api.event.TestIsEnabledMultiple + */ + +public class TestIsEnabledMultiple { + + enum When { + BeforeStart, DuringRecording + } + + enum RecState { + New, Running + } + + enum EnableState { + Enabled, Disabled + } + + public static void main(String[] args) throws Exception { + for (RecState recStateA : RecState.values()) { + for (RecState recStateB : RecState.values()) { + for (EnableState enableStateA : EnableState.values()) { + for (EnableState enableStateB : EnableState.values()) { + assertEnabled(recStateA, recStateB, enableStateA, enableStateB); + } + } + } + } + } + + private static void assertEnabled(RecState recStateA, RecState recStateB, EnableState enableStateA, EnableState enableStateB) { + + Recording a = new Recording(); + Recording b = new Recording(); + assertEnablement(false); // no recording running + + if (enableStateA == EnableState.Disabled) { + a.disable(MyEvent.class); + } + if (enableStateA == EnableState.Enabled) { + a.enable(MyEvent.class); + } + if (enableStateB == EnableState.Disabled) { + b.disable(MyEvent.class); + } + if (enableStateB == EnableState.Enabled) { + b.enable(MyEvent.class); + } + if ( enableStateA == EnableState.Disabled && recStateA == RecState.Running) { + if ( enableStateB == EnableState.Disabled && recStateB == RecState.Running) { + System.out.println(); + } + } + if (recStateA == RecState.Running) { + a.start(); + } + if (recStateB == RecState.Running) { + b.start(); + } + + System.out.println("Recording a is " + a.getState() + ". Event is " + enableStateA); + System.out.println("Recording b is " + b.getState() + ". Event is " + enableStateB); + // an event is enabled if at least one recording is running + // and the event is on by default or has been enabled. + boolean aEnabled = recStateA == RecState.Running && enableStateA == EnableState.Enabled; + boolean bEnabled = recStateB == RecState.Running && enableStateB == EnableState.Enabled; + boolean enabled = aEnabled || bEnabled; + System.out.println("Expected enablement: " + enabled); + System.out.println(); + assertEnablement(enabled); + if (recStateA == RecState.Running) { + a.stop(); + } + if (recStateB == RecState.Running) { + b.stop(); + } + assertEnablement(false); // no recording running + a.close(); + b.close(); + } + + private static void assertEnablement(boolean enabled) { + Asserts.assertEQ(EventType.getEventType(MyEvent.class).isEnabled(), enabled, "Event enablement not as expected"); + } + + @SuppressWarnings("unused") + private static class MyEvent extends Event { + public String msg; + } + +}