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/*
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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.Timer;
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import java.util.TimerTask;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import jdk.jfr.api.consumer.recordingstream.TestUtils.TestError;
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import jdk.jfr.api.consumer.recordingstream.TestUtils.TestException;
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import jdk.jfr.api.consumer.security.TestStreamingRemote.TestEvent;
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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::onError(...) when using RecordingStream:start
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* @key jfr
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* @requires vm.hasJFR
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* @library /test/lib /test/jdk
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* @run main/othervm jdk.jfr.api.consumer.recordingstream.TestOnErrorSync
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*/
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public class TestOnErrorSync {
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public static void main(String... args) throws Exception {
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testDefaultError();
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testCustomError();
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testDefaultException();
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testCustomException();
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testOnFlushSanity();
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testOnCloseSanity();
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}
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private static void testDefaultError() throws Exception {
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TestError error = new TestError();
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AtomicBoolean closed = new AtomicBoolean();
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Timer t = newEventEmitter();
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try (RecordingStream r = new RecordingStream()) {
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r.onEvent(e -> {
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throw error; // closes stream
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});
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r.onClose(() -> {
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closed.set(true);
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});
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try {
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r.start();
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throw new Exception("Expected TestError to be thrown");
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} catch (TestError te) {
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// as expected
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}
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if (!closed.get()) {
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throw new Exception("Expected stream to be closed");
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}
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} finally {
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t.cancel();
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}
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}
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private static void testCustomError() throws Exception {
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TestError error = new TestError();
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AtomicBoolean onError = new AtomicBoolean();
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AtomicBoolean closed = new AtomicBoolean();
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Timer t = newEventEmitter();
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try (RecordingStream r = new RecordingStream()) {
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r.onEvent(e -> {
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throw error; // closes stream
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});
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r.onError(e -> {
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onError.set(true);
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});
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r.onClose(() -> {
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closed.set(true);
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});
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try {
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r.start();
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throw new Exception("Expected TestError to be thrown");
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} catch (TestError terror) {
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// as expected
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}
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if (onError.get()) {
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throw new Exception("Expected onError(...) NOT to be invoked");
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}
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if (!closed.get()) {
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throw new Exception("Expected stream to be closed");
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}
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} finally {
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t.cancel();
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}
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}
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private static void testDefaultException() throws Exception {
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TestException exception = new TestException();
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AtomicInteger counter = new AtomicInteger();
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AtomicBoolean closed = new AtomicBoolean();
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Timer t = newEventEmitter();
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try (RecordingStream r = new RecordingStream()) {
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r.onEvent(e -> {
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if (counter.incrementAndGet() == 2) {
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// Only close if we get a second event after an exception
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r.close();
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return;
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}
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TestUtils.throwUnchecked(exception);
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});
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r.onClose(() -> {
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closed.set(true);
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});
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try {
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r.start();
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} catch (Exception e) {
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throw new Exception("Unexpected exception thrown from start()", e);
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}
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if (!exception.isPrinted()) {
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throw new Exception("Expected stack trace from Exception to be printed");
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}
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if (!closed.get()) {
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throw new Exception("Expected stream to be closed");
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}
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} finally {
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t.cancel();
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}
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}
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private static void testCustomException() throws Exception {
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TestException exception = new TestException();
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AtomicInteger counter = new AtomicInteger();
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AtomicBoolean onError = new AtomicBoolean();
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AtomicBoolean closed = new AtomicBoolean();
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AtomicBoolean received = new AtomicBoolean();
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Timer t = newEventEmitter();
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try (RecordingStream r = new RecordingStream()) {
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r.onEvent(e -> {
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if (counter.incrementAndGet() == 2) {
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// Only close if we get a second event after an exception
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r.close();
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return;
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}
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TestUtils.throwUnchecked(exception);
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});
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r.onError(e -> {
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received.set(e == exception);
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onError.set(true);
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});
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r.onClose(() -> {
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closed.set(true);
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});
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try {
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r.start();
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} catch (Exception e) {
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throw new Exception("Unexpected exception thrown from start()", e);
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}
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if (!received.get()) {
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throw new Exception("Did not receive expected exception in onError(...)");
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}
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if (exception.isPrinted()) {
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throw new Exception("Expected stack trace from Exception NOT to be printed");
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}
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if (!onError.get()) {
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throw new Exception("Expected OnError(...) to be invoked");
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}
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if (!closed.get()) {
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throw new Exception("Expected stream to be closed");
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}
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} finally {
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t.cancel();
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}
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}
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private static void testOnFlushSanity() throws Exception {
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TestException exception = new TestException();
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AtomicBoolean received = new AtomicBoolean();
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try (RecordingStream r = new RecordingStream()) {
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r.onFlush(() -> {
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TestUtils.throwUnchecked(exception);
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});
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r.onError(t -> {
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received.set(t == exception);
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r.close();
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});
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r.start();
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if (!received.get()) {
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throw new Exception("Expected exception in OnFlush to propagate to onError");
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}
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}
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}
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private static void testOnCloseSanity() throws Exception {
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TestException exception = new TestException();
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AtomicBoolean received = new AtomicBoolean();
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try (RecordingStream r = new RecordingStream()) {
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r.onFlush(() -> {
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r.close(); // will trigger onClose
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});
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r.onClose(() -> {
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TestUtils.throwUnchecked(exception); // will trigger onError
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});
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r.onError(t -> {
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received.set(t == exception);
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});
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r.start();
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if (!received.get()) {
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throw new Exception("Expected exception in OnFlush to propagate to onError");
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}
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}
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}
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private static Timer newEventEmitter() {
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Timer timer = new Timer();
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TimerTask task = new TimerTask() {
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@Override
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public void run() {
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TestEvent event = new TestEvent();
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event.commit();
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}
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};
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timer.schedule(task, 0, 100);
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return timer;
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}
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}
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