AbstractReferenceCountedTest.java — netty Source File

Source Code

/*
 * Copyright 2016 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 org.junit.jupiter.api.Timeout;

import java.util.ArrayDeque;
import java.util.Queue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

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

public class AbstractReferenceCountedTest {

    @Test
    public void testRetainOverflow() {
        final AbstractReferenceCounted referenceCounted = newReferenceCounted();
        referenceCounted.setRefCnt(Integer.MAX_VALUE);
        assertEquals(Integer.MAX_VALUE, referenceCounted.refCnt());
        assertThrows(IllegalReferenceCountException.class, () -> referenceCounted.retain());
    }

    @Test
    public void testRetainOverflow2() {
        final AbstractReferenceCounted referenceCounted = newReferenceCounted();
        assertEquals(1, referenceCounted.refCnt());
        assertThrows(IllegalReferenceCountException.class, () -> referenceCounted.retain(Integer.MAX_VALUE));
    }

    @Test
    public void testReleaseOverflow() {
        final AbstractReferenceCounted referenceCounted = newReferenceCounted();
        referenceCounted.setRefCnt(0);
        assertEquals(0, referenceCounted.refCnt());
        assertThrows(IllegalReferenceCountException.class, () -> referenceCounted.release(Integer.MAX_VALUE));
    }

// ... (140 more lines)