ActiveMQObjectMessageTest.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.command;

import javax.jms.JMSException;
import javax.jms.MessageNotReadableException;
import javax.jms.MessageNotWriteableException;
import java.io.IOException;

import junit.framework.TestCase;

/**
 *
 */
public class ActiveMQObjectMessageTest extends TestCase {

   /**
    * Constructor for ActiveMQObjectMessageTest.
    *
    * @param name
    */
   public ActiveMQObjectMessageTest(String name) {
      super(name);
   }

   public static void main(String[] args) {
      junit.textui.TestRunner.run(ActiveMQObjectMessageTest.class);
   }

   /*
    * @see TestCase#setUp()
    */
   @Override
   protected void setUp() throws Exception {
      super.setUp();
   }

   /*
    * @see TestCase#tearDown()
    */
   @Override
   protected void tearDown() throws Exception {
      super.tearDown();
   }

   public void testBytes() throws JMSException, IOException {
      ActiveMQObjectMessage msg = new ActiveMQObjectMessage();
      String str = "testText";
      msg.setObject(str);

      msg = (ActiveMQObjectMessage) msg.copy();
      assertEquals(msg.getObject(), str);

   }

   public void testSetObject() throws JMSException {
      ActiveMQObjectMessage msg = new ActiveMQObjectMessage();
      String str = "testText";
      msg.setObject(str);
      assertTrue(msg.getObject() == str);
   }

   public void testClearBody() throws JMSException {
      ActiveMQObjectMessage objectMessage = new ActiveMQObjectMessage();
      try {
         objectMessage.setObject("String");
         objectMessage.clearBody();
         assertFalse(objectMessage.isReadOnlyBody());
         assertNull(objectMessage.getObject());
         objectMessage.setObject("String");
         objectMessage.getObject();
      } catch (MessageNotWriteableException mnwe) {
         fail("should be writeable");
      }
   }

   public void testReadOnlyBody() throws JMSException {
      ActiveMQObjectMessage msg = new ActiveMQObjectMessage();
      msg.setObject("test");
      msg.setReadOnlyBody(true);
      try {
         msg.getObject();
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      }
      try {
         msg.setObject("test");
         fail("should throw exception");
      } catch (MessageNotWriteableException e) {
      }
   }

   public void testWriteOnlyBody() throws JMSException { // should always be readable
      ActiveMQObjectMessage msg = new ActiveMQObjectMessage();
      msg.setReadOnlyBody(false);
      try {
         msg.setObject("test");
         msg.getObject();
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      }
      msg.setReadOnlyBody(true);
      try {
         msg.getObject();
         msg.setObject("test");
         fail("should throw exception");
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      } catch (MessageNotWriteableException mnwe) {
      }
   }

}