GlobalEventExecutorTest.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.concurrent;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class GlobalEventExecutorTest {

    private static final GlobalEventExecutor e = GlobalEventExecutor.INSTANCE;

    @BeforeEach
    public void setUp() throws Exception {
        // Wait until the global executor is stopped (just in case there is a task running due to previous test cases)
        for (;;) {
            if (e.thread == null || !e.thread.isAlive()) {
                break;
            }

            Thread.sleep(50);
        }
    }

    @Test
    @Timeout(value = 5000, unit = TimeUnit.MILLISECONDS)
    public void testAutomaticStartStop() throws Exception {
        final TestRunnable task = new TestRunnable(500);
        e.execute(task);

        // Ensure the new thread has started.
        Thread thread = e.thread;
        assertNotNull(thread);
        assertTrue(thread.isAlive());

        thread.join();
        assertTrue(task.ran.get());
// ... (118 more lines)