ActiveMQStreamMessageTest.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.MessageFormatException;
import javax.jms.MessageNotReadableException;
import javax.jms.MessageNotWriteableException;

import junit.framework.TestCase;

/**
 *
 */
public class ActiveMQStreamMessageTest extends TestCase {

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

   public static void main(String[] args) {
      junit.textui.TestRunner.run(ActiveMQStreamMessageTest.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 testGetDataStructureType() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      assertEquals(msg.getDataStructureType(), CommandTypes.ACTIVEMQ_STREAM_MESSAGE);
   }

   public void testReadBoolean() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         msg.writeBoolean(true);
         msg.reset();
         assertTrue(msg.readBoolean());
         msg.reset();
         assertTrue(msg.readString().equals("true"));
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readLong();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testreadByte() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         byte test = (byte) 4;
         msg.writeByte(test);
         msg.reset();
         assertTrue(msg.readByte() == test);
         msg.reset();
         assertTrue(msg.readShort() == test);
         msg.reset();
         assertTrue(msg.readInt() == test);
         msg.reset();
         assertTrue(msg.readLong() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Byte(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadShort() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         short test = (short) 4;
         msg.writeShort(test);
         msg.reset();
         assertTrue(msg.readShort() == test);
         msg.reset();
         assertTrue(msg.readInt() == test);
         msg.reset();
         assertTrue(msg.readLong() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Short(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadChar() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         char test = 'z';
         msg.writeChar(test);
         msg.reset();
         assertTrue(msg.readChar() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Character(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readLong();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadInt() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         int test = 4;
         msg.writeInt(test);
         msg.reset();
         assertTrue(msg.readInt() == test);
         msg.reset();
         assertTrue(msg.readLong() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Integer(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadLong() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         long test = 4L;
         msg.writeLong(test);
         msg.reset();
         assertTrue(msg.readLong() == test);
         msg.reset();
         assertTrue(msg.readString().equals(Long.valueOf(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readDouble();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg = new ActiveMQStreamMessage();
         msg.writeObject(new Long("1"));
         // reset so it's readable now
         msg.reset();
         assertEquals(new Long("1"), msg.readObject());
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadFloat() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         float test = 4.4f;
         msg.writeFloat(test);
         msg.reset();
         assertTrue(msg.readFloat() == test);
         msg.reset();
         assertTrue(msg.readDouble() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Float(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readLong();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadDouble() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         double test = 4.4d;
         msg.writeDouble(test);
         msg.reset();
         assertTrue(msg.readDouble() == test);
         msg.reset();
         assertTrue(msg.readString().equals(new Double(test).toString()));
         msg.reset();
         try {
            msg.readBoolean();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readLong();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readBytes(new byte[1]);
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }

   }

   public void testReadString() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         byte testByte = (byte) 2;
         msg.writeString(new Byte(testByte).toString());
         msg.reset();
         assertTrue(msg.readByte() == testByte);
         msg.clearBody();
         short testShort = 3;
         msg.writeString(new Short(testShort).toString());
         msg.reset();
         assertTrue(msg.readShort() == testShort);
         msg.clearBody();
         int testInt = 4;
         msg.writeString(new Integer(testInt).toString());
         msg.reset();
         assertTrue(msg.readInt() == testInt);
         msg.clearBody();
         long testLong = 6L;
         msg.writeString(new Long(testLong).toString());
         msg.reset();
         assertTrue(msg.readLong() == testLong);
         msg.clearBody();
         float testFloat = 6.6f;
         msg.writeString(new Float(testFloat).toString());
         msg.reset();
         assertTrue(msg.readFloat() == testFloat);
         msg.clearBody();
         double testDouble = 7.7d;
         msg.writeString(new Double(testDouble).toString());
         msg.reset();
         assertTrue(msg.readDouble() == testDouble);
         msg.clearBody();
         msg.writeString("true");
         msg.reset();
         assertTrue(msg.readBoolean());
         msg.clearBody();
         msg.writeString("a");
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException e) {
         }
         msg.clearBody();
         msg.writeString("777");
         msg.reset();
         try {
            msg.readBytes(new byte[3]);
            fail("Should have thrown exception");
         } catch (MessageFormatException e) {
         }

      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadBigString() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         // Test with a 1Meg String
         StringBuffer bigSB = new StringBuffer(1024 * 1024);
         for (int i = 0; i < 1024 * 1024; i++) {
            bigSB.append('a' + i % 26);
         }
         String bigString = bigSB.toString();

         msg.writeString(bigString);
         msg.reset();
         assertEquals(bigString, msg.readString());

      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadBytes() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         byte[] test = new byte[50];
         for (int i = 0; i < test.length; i++) {
            test[i] = (byte) i;
         }
         msg.writeBytes(test);
         msg.reset();
         byte[] valid = new byte[test.length];
         msg.readBytes(valid);
         for (int i = 0; i < valid.length; i++) {
            assertTrue(valid[i] == test[i]);
         }
         msg.reset();
         try {
            msg.readByte();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readShort();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readInt();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readLong();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readFloat();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readChar();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
         msg.reset();
         try {
            msg.readString();
            fail("Should have thrown exception");
         } catch (MessageFormatException mfe) {
         }
      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testReadObject() {
      ActiveMQStreamMessage msg = new ActiveMQStreamMessage();
      try {
         byte testByte = (byte) 2;
         msg.writeByte(testByte);
         msg.reset();
         assertTrue(((Byte) msg.readObject()).byteValue() == testByte);
         msg.clearBody();

         short testShort = 3;
         msg.writeShort(testShort);
         msg.reset();
         assertTrue(((Short) msg.readObject()).shortValue() == testShort);
         msg.clearBody();

         int testInt = 4;
         msg.writeInt(testInt);
         msg.reset();
         assertTrue(((Integer) msg.readObject()).intValue() == testInt);
         msg.clearBody();

         long testLong = 6L;
         msg.writeLong(testLong);
         msg.reset();
         assertTrue(((Long) msg.readObject()).longValue() == testLong);
         msg.clearBody();

         float testFloat = 6.6f;
         msg.writeFloat(testFloat);
         msg.reset();
         assertTrue(((Float) msg.readObject()).floatValue() == testFloat);
         msg.clearBody();

         double testDouble = 7.7d;
         msg.writeDouble(testDouble);
         msg.reset();
         assertTrue(((Double) msg.readObject()).doubleValue() == testDouble);
         msg.clearBody();

         char testChar = 'z';
         msg.writeChar(testChar);
         msg.reset();
         assertTrue(((Character) msg.readObject()).charValue() == testChar);
         msg.clearBody();

         byte[] data = new byte[50];
         for (int i = 0; i < data.length; i++) {
            data[i] = (byte) i;
         }
         msg.writeBytes(data);
         msg.reset();
         byte[] valid = (byte[]) msg.readObject();
         assertTrue(valid.length == data.length);
         for (int i = 0; i < valid.length; i++) {
            assertTrue(valid[i] == data[i]);
         }
         msg.clearBody();
         msg.writeBoolean(true);
         msg.reset();
         assertTrue(((Boolean) msg.readObject()).booleanValue());

      } catch (JMSException jmsEx) {
         jmsEx.printStackTrace();
         assertTrue(false);
      }
   }

   public void testClearBody() throws JMSException {
      ActiveMQStreamMessage streamMessage = new ActiveMQStreamMessage();
      try {
         streamMessage.writeObject(new Long(2));
         streamMessage.clearBody();
         assertFalse(streamMessage.isReadOnlyBody());
         streamMessage.writeObject(new Long(2));
         streamMessage.readObject();
         fail("should throw exception");
      } catch (MessageNotReadableException mnwe) {
      } catch (MessageNotWriteableException mnwe) {
         fail("should be writeable");
      }
   }

   public void testReset() throws JMSException {
      ActiveMQStreamMessage streamMessage = new ActiveMQStreamMessage();
      try {
         streamMessage.writeDouble(24.5);
         streamMessage.writeLong(311);
      } catch (MessageNotWriteableException mnwe) {
         fail("should be writeable");
      }
      streamMessage.reset();
      try {
         assertTrue(streamMessage.isReadOnlyBody());
         assertEquals(streamMessage.readDouble(), 24.5, 0);
         assertEquals(streamMessage.readLong(), 311);
      } catch (MessageNotReadableException mnre) {
         fail("should be readable");
      }
      try {
         streamMessage.writeInt(33);
         fail("should throw exception");
      } catch (MessageNotWriteableException mnwe) {
      }
   }

   public void testReadOnlyBody() throws JMSException {
      ActiveMQStreamMessage message = new ActiveMQStreamMessage();
      try {
         message.writeBoolean(true);
         message.writeByte((byte) 1);
         message.writeBytes(new byte[1]);
         message.writeBytes(new byte[3], 0, 2);
         message.writeChar('a');
         message.writeDouble(1.5);
         message.writeFloat((float) 1.5);
         message.writeInt(1);
         message.writeLong(1);
         message.writeObject("stringobj");
         message.writeShort((short) 1);
         message.writeString("string");
      } catch (MessageNotWriteableException mnwe) {
         fail("Should be writeable");
      }
      message.reset();
      try {
         message.readBoolean();
         message.readByte();
         assertEquals(1, message.readBytes(new byte[10]));
         assertEquals(-1, message.readBytes(new byte[10]));
         assertEquals(2, message.readBytes(new byte[10]));
         assertEquals(-1, message.readBytes(new byte[10]));
         message.readChar();
         message.readDouble();
         message.readFloat();
         message.readInt();
         message.readLong();
         message.readString();
         message.readShort();
         message.readString();
      } catch (MessageNotReadableException mnwe) {
         fail("Should be readable");
      }
      try {
         message.writeBoolean(true);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeByte((byte) 1);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeBytes(new byte[1]);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeBytes(new byte[3], 0, 2);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeChar('a');
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeDouble(1.5);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeFloat((float) 1.5);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeInt(1);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeLong(1);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeObject("stringobj");
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeShort((short) 1);
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
      try {
         message.writeString("string");
         fail("Should have thrown exception");
      } catch (MessageNotWriteableException mnwe) {
      }
   }

   public void testWriteOnlyBody() throws JMSException {
      ActiveMQStreamMessage message = new ActiveMQStreamMessage();
      message.clearBody();
      try {
         message.writeBoolean(true);
         message.writeByte((byte) 1);
         message.writeBytes(new byte[1]);
         message.writeBytes(new byte[3], 0, 2);
         message.writeChar('a');
         message.writeDouble(1.5);
         message.writeFloat((float) 1.5);
         message.writeInt(1);
         message.writeLong(1);
         message.writeObject("stringobj");
         message.writeShort((short) 1);
         message.writeString("string");
      } catch (MessageNotWriteableException mnwe) {
         fail("Should be writeable");
      }
      try {
         message.readBoolean();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException mnwe) {
      }
      try {
         message.readByte();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readBytes(new byte[1]);
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readBytes(new byte[2]);
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readChar();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readDouble();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readFloat();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readInt();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readLong();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readString();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readShort();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
      try {
         message.readString();
         fail("Should have thrown exception");
      } catch (MessageNotReadableException e) {
      }
   }

   public void testWriteObject() {
      try {
         ActiveMQStreamMessage message = new ActiveMQStreamMessage();
         message.clearBody();
         message.writeObject("test");
         message.writeObject(new Character('a'));
         message.writeObject(new Boolean(false));
         message.writeObject(new Byte((byte) 2));
         message.writeObject(new Short((short) 2));
         message.writeObject(new Integer(2));
         message.writeObject(new Long(2L));
         message.writeObject(new Float(2.0f));
         message.writeObject(new Double(2.0d));
      } catch (Exception e) {
         fail(e.getMessage());
      }
      try {
         ActiveMQStreamMessage message = new ActiveMQStreamMessage();
         message.clearBody();
         message.writeObject(new Object());
         fail("should throw an exception");
      } catch (MessageFormatException e) {

      } catch (Exception e) {
         fail(e.getMessage());
      }
   }

}