java/broker-core/src/test/java/org/apache/qpid/server/queue/SimpleAMQQueueThreadPoolTest.java

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 *   http://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
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package org.apache.qpid.server.queue;

import org.apache.qpid.pool.ReferenceCountingExecutorService;
import org.apache.qpid.server.model.Queue;
import org.apache.qpid.server.model.UUIDGenerator;
import org.apache.qpid.server.util.BrokerTestHelper;
import org.apache.qpid.server.virtualhost.VirtualHost;
import org.apache.qpid.test.utils.QpidTestCase;

import java.util.HashMap;
import java.util.Map;

public class SimpleAMQQueueThreadPoolTest extends QpidTestCase
{

    @Override
    public void setUp() throws Exception
    {
        super.setUp();
        BrokerTestHelper.setUp();
    }

    @Override
    public void tearDown() throws Exception
    {
        BrokerTestHelper.tearDown();
        super.tearDown();
    }

    public void test() throws Exception
    {
        int initialCount = ReferenceCountingExecutorService.getInstance().getReferenceCount();
        VirtualHost test = BrokerTestHelper.createVirtualHost("test");

        try
        {
            Map<String,Object> attributes = new HashMap<String, Object>();
            attributes.put(Queue.ID, UUIDGenerator.generateRandomUUID());
            attributes.put(Queue.NAME, "test");
            AMQQueue queue = test.createQueue(null, attributes);

            assertFalse("Creation did not start Pool.", ReferenceCountingExecutorService.getInstance().getPool().isShutdown());

            assertEquals("References not increased", initialCount + 1, ReferenceCountingExecutorService.getInstance().getReferenceCount());

            queue.stop();

            assertEquals("References not decreased", initialCount , ReferenceCountingExecutorService.getInstance().getReferenceCount());
        }
        finally
        {
            test.close();
        }
    }
}