core/src/test/java/org/apache/ftpserver/impl/DefaultFtpServerTest.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
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ftpserver.impl;

import java.net.BindException;

import junit.framework.TestCase;

import org.apache.ftpserver.FtpServer;
import org.apache.ftpserver.FtpServerConfigurationException;
import org.apache.ftpserver.FtpServerFactory;
import org.apache.ftpserver.listener.Listener;
import org.apache.ftpserver.listener.ListenerFactory;

/**
 *
 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
 *
 */
public class DefaultFtpServerTest extends TestCase {

    public void testFailStartingSecondListener() throws Exception {
        // FTPSERVER-197
        
        FtpServerFactory serverFactory = new FtpServerFactory();
        
        ListenerFactory listenerFactory = new ListenerFactory();
        listenerFactory.setPort(0);
        
        // let's create two listeners on the same port, second should not start
     
        Listener defaultListener = listenerFactory.createListener();
        Listener secondListener = listenerFactory.createListener();
        
        
        serverFactory.addListener("default", defaultListener);
        serverFactory.addListener("second", secondListener);
        
        FtpServer server = serverFactory.createServer();
        
        try {
            server.start();
            
            // Windows seems to allow for both listeners to bind on the same port...
            //fail("Must throw FtpServerConfigurationException");
        } catch(FtpServerConfigurationException e) {
            if(e.getCause() instanceof BindException) {
                // OK!
                
                // we failed to start, make sure things are shut down correctly
                assertTrue(defaultListener.isStopped());
                assertTrue(secondListener.isStopped());
                assertTrue(server.isStopped());
            } else {
                throw e;
            }
        }
    }
    
}