| /* |
| * Copyright (c) 2019, 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.consumer.recordingstream; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| import jdk.jfr.Event; |
| import jdk.jfr.Name; |
| import jdk.jfr.consumer.RecordingStream; |
| |
| /** |
| * @test |
| * @summary Tests RecordingStream::onEvent(...) |
| * @key jfr |
| * @requires vm.hasJFR |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestOnEvent |
| */ |
| public class TestOnEvent { |
| |
| @Name("A") |
| static class EventA extends Event { |
| } |
| |
| @Name("A") |
| static class EventAlsoA extends Event { |
| } |
| |
| @Name("C") |
| static class EventC extends Event { |
| } |
| |
| public static void main(String... args) throws Exception { |
| testOnEventNull(); |
| testOnEvent(); |
| testNamedEvent(); |
| testTwoEventWithSameName(); |
| } |
| |
| private static void testOnEventNull() { |
| log("Entering testOnEventNull()"); |
| try (RecordingStream rs = new RecordingStream()) { |
| try { |
| rs.onEvent(null); |
| throw new AssertionError("Expected NullPointerException from onEvent(null)"); |
| } catch (NullPointerException npe) { |
| // OK; as expected |
| } |
| try { |
| rs.onEvent("A", null); |
| throw new AssertionError("Expected NullPointerException from onEvent(\"A\", null)"); |
| |
| } catch (NullPointerException npe) { |
| // OK; as expected |
| } |
| try { |
| String s = null; |
| rs.onEvent(s, null); |
| throw new AssertionError("Expected NullPointerException from onEvent(null, null)"); |
| } catch (NullPointerException npe) { |
| // OK; as expected |
| } |
| } |
| log("Leaving testOnEventNull()"); |
| } |
| |
| private static void testTwoEventWithSameName() throws Exception { |
| log("Entering testTwoEventWithSameName()"); |
| CountDownLatch eventA = new CountDownLatch(2); |
| try (RecordingStream r = new RecordingStream()) { |
| r.onEvent("A", e -> { |
| System.out.println("testTwoEventWithSameName" + e); |
| eventA.countDown(); |
| }); |
| r.startAsync(); |
| EventA a1 = new EventA(); |
| a1.commit(); |
| EventAlsoA a2 = new EventAlsoA(); |
| a2.commit(); |
| eventA.await(); |
| } |
| log("Leaving testTwoEventWithSameName()"); |
| } |
| |
| private static void testNamedEvent() throws Exception { |
| log("Entering testNamedEvent()"); |
| try (RecordingStream r = new RecordingStream()) { |
| CountDownLatch eventA = new CountDownLatch(1); |
| CountDownLatch eventC = new CountDownLatch(1); |
| r.onEvent("A", e -> { |
| System.out.println("TestNamedEvent:" + e); |
| if (e.getEventType().getName().equals("A")) { |
| eventA.countDown(); |
| } |
| }); |
| r.onEvent("C", e -> { |
| System.out.println("TestNamedEvent:" + e); |
| if (e.getEventType().getName().equals("C")) { |
| eventC.countDown(); |
| } |
| }); |
| |
| r.startAsync(); |
| EventA a = new EventA(); |
| a.commit(); |
| EventC c = new EventC(); |
| c.commit(); |
| eventA.await(); |
| eventC.await(); |
| } |
| log("Leaving testNamedEvent()"); |
| } |
| |
| private static void testOnEvent() throws Exception { |
| log("Entering testOnEvent()"); |
| try (RecordingStream r = new RecordingStream()) { |
| CountDownLatch event = new CountDownLatch(1); |
| r.onEvent(e -> { |
| event.countDown(); |
| }); |
| r.startAsync(); |
| EventA a = new EventA(); |
| a.commit(); |
| event.await(); |
| } |
| log("Leaving testOnEvent()"); |
| } |
| |
| private static void log(String msg) { |
| System.out.println(msg); |
| } |
| } |