NettyRuntimeTests.java — netty Source File

Source Code

/*
 * Copyright 2017 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 io.netty.util.internal.SystemPropertyUtil;
import org.junit.jupiter.api.Test;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.atomic.AtomicReference;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.fail;

public class NettyRuntimeTests {

    @Test
    public void testIllegalSet() {
        final NettyRuntime.AvailableProcessorsHolder holder = new NettyRuntime.AvailableProcessorsHolder();
        for (final int i : new int[] { -1, 0 }) {
            try {
                holder.setAvailableProcessors(i);
                fail();
            } catch (final IllegalArgumentException e) {
                assertThat(e.getMessage()).contains("(expected: > 0)");
            }
        }
    }

    @Test
    public void testMultipleSets() {
        final NettyRuntime.AvailableProcessorsHolder holder = new NettyRuntime.AvailableProcessorsHolder();
        holder.setAvailableProcessors(1);
        try {
            holder.setAvailableProcessors(2);
            fail();
        } catch (final IllegalStateException e) {
            assertThat(e.getMessage()).contains("availableProcessors is already set to [1], rejecting [2]");
        }
    }

    @Test
    public void testSetAfterGet() {
// ... (143 more lines)