[#744] Add test which I missed to commit before
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src/test/java/org/jboss/netty/util/HashedWheelTimerTest.java
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105
src/test/java/org/jboss/netty/util/HashedWheelTimerTest.java
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/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package org.jboss.netty.util;
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import org.junit.Test;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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public class HashedWheelTimerTest {
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@Test
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public void testScheduleTimeoutShouldNotRunBeforeDelay() throws InterruptedException {
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final Timer timer = new HashedWheelTimer();
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final CountDownLatch barrier = new CountDownLatch(1);
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final Timeout timeout = timer.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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fail("This should not have run");
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barrier.countDown();
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}
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}, 10, TimeUnit.SECONDS);
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assertFalse(barrier.await(3, TimeUnit.SECONDS));
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assertFalse("timer should not expire", timeout.isExpired());
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timer.stop();
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}
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@Test
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public void testScheduleTimeoutShouldRunAfterDelay() throws InterruptedException {
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final Timer timer = new HashedWheelTimer();
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final CountDownLatch barrier = new CountDownLatch(1);
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final Timeout timeout = timer.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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barrier.countDown();
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}
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}, 2, TimeUnit.SECONDS);
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assertTrue(barrier.await(3, TimeUnit.SECONDS));
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assertTrue("timer should expire", timeout.isExpired());
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timer.stop();
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}
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@Test
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public void testStopTimer() throws InterruptedException {
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final Timer timerProcessed = new HashedWheelTimer();
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for (int i = 0; i < 3; i ++) {
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timerProcessed.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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}
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}, 1, TimeUnit.MILLISECONDS);
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}
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Thread.sleep(1000L); // sleep for a second
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assertEquals("Number of unprocessed timeouts should be 0", 0, timerProcessed.stop().size());
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final Timer timerUnprocessed = new HashedWheelTimer();
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for (int i = 0; i < 5; i ++) {
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timerUnprocessed.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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}
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}, 5, TimeUnit.SECONDS);
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}
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Thread.sleep(1000L); // sleep for a second
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assertFalse("Number of unprocessed timeouts should be greater than 0", timerUnprocessed.stop().isEmpty());
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}
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@Test(expected = IllegalStateException.class)
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public void testTimerShouldThrowExceptionAfterShutdownForNewTimeouts() throws InterruptedException {
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final Timer timer = new HashedWheelTimer();
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for (int i = 0; i < 3; i ++) {
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timer.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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}
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}, 1, TimeUnit.MILLISECONDS);
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}
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timer.stop();
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Thread.sleep(1000L); // sleep for a second
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timer.newTimeout(new TimerTask() {
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@Override
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public void run(Timeout timeout) throws Exception {
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fail("This should not run");
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}
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}, 1, TimeUnit.SECONDS);
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}
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}
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