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ActiveMQ example source code file (ActiveMQBytesMessageTest.java)

This example ActiveMQ source code file (ActiveMQBytesMessageTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqbytesmessage, activemqbytesmessage, activemqbytesmessagetest, exception, jmsexception, jmsexception, messageformatexception, messagenotreadableexception, messagenotreadableexception, messagenotwriteableexception, object, should, should, testcase

The ActiveMQ ActiveMQBytesMessageTest.java source code

/**
 * 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 ActiveMQBytesMessageTest extends TestCase {

    public ActiveMQBytesMessageTest(String name) {
        super(name);
    }

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

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

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

    public void testGetDataStructureType() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        assertEquals(msg.getDataStructureType(), CommandTypes.ACTIVEMQ_BYTES_MESSAGE);
    }

    public void testGetBodyLength() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        int len = 10;
        try {
            for (int i = 0; i < len; i++) {
                msg.writeLong(5L);
            }
        } catch (JMSException ex) {
            ex.printStackTrace();
        }
        try {
            msg.reset();
            assertTrue(msg.getBodyLength() == (len * 8));
        } catch (Throwable e) {
            e.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadBoolean() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeBoolean(true);
            msg.reset();
            assertTrue(msg.readBoolean());
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadByte() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeByte((byte) 2);
            msg.reset();
            assertTrue(msg.readByte() == 2);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadUnsignedByte() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeByte((byte) 2);
            msg.reset();
            assertTrue(msg.readUnsignedByte() == 2);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadShort() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeShort((short) 3000);
            msg.reset();
            assertTrue(msg.readShort() == 3000);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadUnsignedShort() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeShort((short) 3000);
            msg.reset();
            assertTrue(msg.readUnsignedShort() == 3000);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadChar() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeChar('a');
            msg.reset();
            assertTrue(msg.readChar() == 'a');
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadInt() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeInt(3000);
            msg.reset();
            assertTrue(msg.readInt() == 3000);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadLong() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeLong(3000);
            msg.reset();
            assertTrue(msg.readLong() == 3000);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadFloat() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeFloat(3.3f);
            msg.reset();
            assertTrue(msg.readFloat() == 3.3f);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadDouble() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeDouble(3.3d);
            msg.reset();
            assertTrue(msg.readDouble() == 3.3d);
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testReadUTF() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            String str = "this is a test";
            msg.writeUTF(str);
            msg.reset();
            assertTrue(msg.readUTF().equals(str));
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    /*
     * Class to test for int readBytes(byte[])
     */
    public void testReadBytesbyteArray() {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            byte[] data = new byte[50];
            for (int i = 0; i < data.length; i++) {
                data[i] = (byte) i;
            }
            msg.writeBytes(data);
            msg.reset();
            byte[] test = new byte[data.length];
            msg.readBytes(test);
            for (int i = 0; i < test.length; i++) {
                assertTrue(test[i] == i);
            }
        } catch (JMSException jmsEx) {
            jmsEx.printStackTrace();
            assertTrue(false);
        }
    }

    public void testWriteObject() throws JMSException {
        ActiveMQBytesMessage msg = new ActiveMQBytesMessage();
        try {
            msg.writeObject("fred");
            msg.writeObject(Boolean.TRUE);
            msg.writeObject(Character.valueOf('q'));
            msg.writeObject(Byte.valueOf((byte) 1));
            msg.writeObject(Short.valueOf((short) 3));
            msg.writeObject(Integer.valueOf(3));
            msg.writeObject(Long.valueOf(300L));
            msg.writeObject(new Float(3.3f));
            msg.writeObject(new Double(3.3));
            msg.writeObject(new byte[3]);
        } catch (MessageFormatException mfe) {
            fail("objectified primitives should be allowed");
        }
        try {
            msg.writeObject(new Object());
            fail("only objectified primitives are allowed");
        } catch (MessageFormatException mfe) {
        }
    }


    /* new */
    public void testClearBody() throws JMSException {
        ActiveMQBytesMessage bytesMessage = new ActiveMQBytesMessage();
        try {
            bytesMessage.writeInt(1);
            bytesMessage.clearBody();
            assertFalse(bytesMessage.isReadOnlyBody());
            bytesMessage.writeInt(1);
            bytesMessage.readInt();
        } catch (MessageNotReadableException mnwe) {
        } catch (MessageNotWriteableException mnwe) {
            assertTrue(false);
        }
    }

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

    public void testReadOnlyBody() throws JMSException {
        ActiveMQBytesMessage message = new ActiveMQBytesMessage();
        try {
            message.writeBoolean(true);
            message.writeByte((byte) 1);
            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.writeShort((short) 1);
            message.writeUTF("utfstring");
        } catch (MessageNotWriteableException mnwe) {
            fail("Should be writeable");
        }
        message.reset();
        try {
            message.readBoolean();
            message.readByte();
            message.readUnsignedByte();
            message.readBytes(new byte[1]);
            message.readBytes(new byte[2], 2);
            message.readChar();
            message.readDouble();
            message.readFloat();
            message.readInt();
            message.readLong();
            message.readUTF();
            message.readShort();
            message.readUnsignedShort();
            message.readUTF();
        } 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.writeUTF("utfstring");
            fail("Should have thrown exception");
        } catch (MessageNotWriteableException mnwe) {
        }
    }

    public void testWriteOnlyBody() throws JMSException {
        ActiveMQBytesMessage message = new ActiveMQBytesMessage();
        message.clearBody();
        try {
            message.writeBoolean(true);
            message.writeByte((byte) 1);
            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.writeShort((short) 1);
            message.writeUTF("utfstring");
        } 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.readUnsignedByte();
            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], 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.readUTF();
            fail("Should have thrown exception");
        } catch (MessageNotReadableException e) {
        }
        try {
            message.readShort();
            fail("Should have thrown exception");
        } catch (MessageNotReadableException e) {
        }
        try {
            message.readUnsignedShort();
            fail("Should have thrown exception");
        } catch (MessageNotReadableException e) {
        }
        try {
            message.readUTF();
            fail("Should have thrown exception");
        } catch (MessageNotReadableException e) {
        }
    }
}

Other ActiveMQ examples (source code examples)

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