java/broker/src/test/java/org/apache/qpid/server/protocol/MaxChannelsTest.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
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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package org.apache.qpid.server.protocol;

import org.apache.qpid.AMQException;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.AMQChannel;
import org.apache.qpid.server.util.BrokerTestHelper;
import org.apache.qpid.test.utils.QpidTestCase;

/** Test class to test MBean operations for AMQMinaProtocolSession. */
public class MaxChannelsTest extends QpidTestCase
{
    private AMQProtocolEngine _session;

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

    public void testChannels() throws Exception
    {
        // check the channel count is correct
        int channelCount = _session.getChannels().size();
        assertEquals("Initial channel count wrong", 0, channelCount);

        long maxChannels = 10L;
        _session.setMaximumNumberOfChannels(maxChannels);
        assertEquals("Number of channels not correctly set.", new Long(maxChannels), _session.getMaximumNumberOfChannels());

        for (long currentChannel = 0L; currentChannel < maxChannels; currentChannel++)
        {
            _session.addChannel(new AMQChannel(_session, (int) currentChannel, null));
        }

        try
        {
            _session.addChannel(new AMQChannel(_session, (int) maxChannels, null));
            fail("Cannot create more channels then maximum");
        }
        catch (AMQException e)
        {
            assertEquals("Wrong exception recevied.", e.getErrorCode(), AMQConstant.NOT_ALLOWED);
        }
        assertEquals("Maximum number of channels not set.", new Long(maxChannels), new Long(_session.getChannels().size()));
    }

    @Override
    public void tearDown() throws Exception
    {
        try
        {
            _session.getVirtualHost().close();
            _session.closeSession();
        }
        finally
        {
            BrokerTestHelper.tearDown();
            super.tearDown();
        }
    }

}