HashedWheelTimerTest.java — netty Source File

Source Code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.util;

import org.junit.jupiter.api.Test;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

public class HashedWheelTimerTest {

    @Test
    public void testScheduleTimeoutShouldNotRunBeforeDelay() throws InterruptedException {
        final Timer timer = new HashedWheelTimer();
        final CountDownLatch barrier = new CountDownLatch(1);
        final Timeout timeout = timer.newTimeout(new TimerTask() {
            @Override
            public void run(Timeout timeout) throws Exception {
                fail("This should not have run");
                barrier.countDown();
            }
        }, 10, TimeUnit.SECONDS);
        assertFalse(barrier.await(3, TimeUnit.SECONDS));
        assertFalse(timeout.isExpired(), "timer should not expire");
        timer.stop();
    }

    @Test
    public void testScheduleTimeoutShouldRunAfterDelay() throws InterruptedException {
        final Timer timer = new HashedWheelTimer();
        final CountDownLatch barrier = new CountDownLatch(1);
        final Timeout timeout = timer.newTimeout(new TimerTask() {
            @Override
            public void run(Timeout timeout) throws Exception {
                barrier.countDown();
// ... (309 more lines)