ChangeSessionDeliveryModeTest.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.activemq.usecases;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.IllegalStateException;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;

import org.apache.activemq.test.TestSupport;

/**
 *
 */
public class ChangeSessionDeliveryModeTest extends TestSupport implements MessageListener {

   /**
    * test following condition- which are defined by JMS Spec 1.1:
    * MessageConsumers cannot use a MessageListener and receive() from the same
    * session
    *
    * @throws Exception
    */
   public void testDoChangeSessionDeliveryMode() throws Exception {
      Destination destination = createDestination("foo.bar");
      Connection connection = createConnection();
      connection.start();
      Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      MessageConsumer consumer1 = consumerSession.createConsumer(destination);
      consumer1.setMessageListener(this);
      MessageConsumer consumer2 = consumerSession.createConsumer(destination);

      try {
         consumer2.receive(10);
         fail("Did not receive expected exception.");
      } catch (JMSException e) {
         assertTrue(e instanceof IllegalStateException);
      }
   }

   @Override
   public void onMessage(Message msg) {
   }
}