author | egahlin |
Wed, 31 Jul 2019 14:07:44 +0200 | |
branch | JEP-349-branch |
changeset 57604 | 838f9a7635b6 |
parent 57361 | 53dccc90a5be |
child 58076 | ca625d28c580 |
permissions | -rw-r--r-- |
57361 | 1 |
/* |
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.jfr.api.consumer.recordingstream; |
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import java.util.concurrent.CountDownLatch; |
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import jdk.jfr.Event; |
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import jdk.jfr.consumer.RecordingStream; |
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/** |
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* @test |
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* @summary Tests RecordingStream::onFlush(...) |
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* @key jfr |
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* @requires vm.hasJFR |
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* @library /test/lib |
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* @run main/othervm jdk.jfr.api.consumer.recordingstream.TestOnFlush |
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*/ |
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public class TestOnFlush { |
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static class OneEvent extends Event { |
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} |
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public static void main(String... args) throws Exception { |
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57604
838f9a7635b6
Cleaner stream reconfiguration + reduced allocation in JFR framework
egahlin
parents:
57361
diff
changeset
|
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testOnFlushNull(); |
57361 | 47 |
testOneEvent(); |
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testNoEvent(); |
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} |
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||
57604
838f9a7635b6
Cleaner stream reconfiguration + reduced allocation in JFR framework
egahlin
parents:
57361
diff
changeset
|
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private static void testOnFlushNull() { |
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try (RecordingStream rs = new RecordingStream()) { |
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try { |
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rs.onFlush(null); |
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throw new AssertionError("Expected NullPointerException from onFlush(null"); |
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} catch (NullPointerException npe) { |
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// OK; as expected |
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} |
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} |
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} |
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private static void testNoEvent() throws Exception { |
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CountDownLatch flush = new CountDownLatch(1); |
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try (RecordingStream r = new RecordingStream()) { |
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r.onFlush(() -> { |
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flush.countDown(); |
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}); |
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r.startAsync(); |
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flush.await(); |
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} |
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} |
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private static void testOneEvent() throws InterruptedException { |
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CountDownLatch flush = new CountDownLatch(1); |
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try (RecordingStream r = new RecordingStream()) { |
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r.onEvent(e -> { |
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// ignore event |
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}); |
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r.onFlush(() -> { |
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flush.countDown(); |
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}); |
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r.startAsync(); |
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OneEvent e = new OneEvent(); |
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e.commit(); |
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flush.await(); |
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} |
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} |
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} |