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diff --git a/qpid/java/systests/src/test/java/org/apache/qpid/test/unit/ack/AcknowledgeTest.java b/qpid/java/systests/src/test/java/org/apache/qpid/test/unit/ack/AcknowledgeTest.java
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+/*
+ *
+ * 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.qpid.test.unit.ack;
+
+import org.apache.qpid.client.AMQDestination;
+import org.apache.qpid.client.AMQSession;
+import org.apache.qpid.test.utils.QpidBrokerTestCase;
+
+import javax.jms.Connection;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Queue;
+import javax.jms.Session;
+
+/**
+ * Test the various JMS Acknowledge Modes the single testAcking method does all
+ * the work of receiving and validation of acking.
+ *
+ * The ack mode is provided from the various test methods.
+ */
+public class AcknowledgeTest extends QpidBrokerTestCase
+{
+ protected int NUM_MESSAGES;
+ protected Connection _connection;
+ protected Queue _queue;
+ protected Session _consumerSession;
+ protected MessageConsumer _consumer;
+ protected MessageProducer _producer;
+
+ @Override
+ protected void setUp() throws Exception
+ {
+ super.setUp();
+ NUM_MESSAGES = 5;
+
+ _queue = getTestQueue();
+
+ //Create Producer put some messages on the queue
+ _connection = getConnection();
+ }
+
+ protected void init(boolean transacted, int mode) throws Exception
+ {
+ _consumerSession = _connection.createSession(transacted, mode);
+ _consumer = _consumerSession.createConsumer(_queue);
+ _producer = _consumerSession.createProducer(_queue);
+
+ // These should all end up being prefetched by session
+ sendMessage(_consumerSession, _queue, 1);
+
+ syncIfNotTransacted(transacted);
+
+ assertEquals("Wrong number of messages on queue", 1,
+ ((AMQSession<?,?>) _consumerSession).getQueueDepth((AMQDestination) _queue));
+ }
+
+ /**
+ * The main test method.
+ *
+ * Receive the initial message and then proceed to send and ack messages
+ * until we have processed NUM_MESSAGES worth of messages.
+ *
+ * Each message is tagged with an INDEX value and these are used to check
+ * that the messages are received in the correct order.
+ *
+ * The test concludes by validating that the queue depth is 0 as expected.
+ *
+ * @param transacted
+ * @param mode
+ *
+ * @throws Exception
+ */
+ protected void testAcking(boolean transacted, int mode) throws Exception
+ {
+ init(transacted, mode);
+
+ _connection.start();
+
+ Message msg = _consumer.receive(1500);
+
+ int count = 0;
+ while (count < NUM_MESSAGES)
+ {
+ assertNotNull("Message " + count + " not correctly received.", msg);
+ assertEquals("Incorrect message received", count, msg.getIntProperty(INDEX));
+ count++;
+
+ if (count < NUM_MESSAGES)
+ {
+ //Send the next message
+ _producer.send(createNextMessage(_consumerSession, count));
+ syncIfNotTransacted(transacted);
+ }
+
+ doAcknowlegement(msg);
+
+ msg = _consumer.receive(1500);
+ }
+
+ if (_consumerSession.getTransacted())
+ {
+ //Acknowledge the last msg if we are testing transacted otherwise queueDepth will be 1
+ doAcknowlegement(msg);
+ }
+
+ assertEquals("Wrong number of messages on queue", 0,
+ ((AMQSession<?,?>) _consumerSession).getQueueDepth((AMQDestination) _queue));
+ }
+
+ /**
+ * Perform the acknowledgement of messages if additionally required.
+ *
+ * @param msg
+ *
+ * @throws JMSException
+ */
+ protected void doAcknowlegement(Message msg) throws JMSException
+ {
+ if (_consumerSession.getTransacted())
+ {
+ _consumerSession.commit();
+ }
+
+ if (_consumerSession.getAcknowledgeMode() == Session.CLIENT_ACKNOWLEDGE)
+ {
+ msg.acknowledge();
+ }
+ }
+
+ public void testClientAck() throws Exception
+ {
+ testAcking(false, Session.CLIENT_ACKNOWLEDGE);
+ }
+
+ public void testAutoAck() throws Exception
+ {
+ testAcking(false, Session.AUTO_ACKNOWLEDGE);
+ }
+
+ public void testTransacted() throws Exception
+ {
+ testAcking(true, Session.SESSION_TRANSACTED);
+ }
+
+ public void testDupsOk() throws Exception
+ {
+ testAcking(false, Session.DUPS_OK_ACKNOWLEDGE);
+ }
+
+ public void testNoAck() throws Exception
+ {
+ testAcking(false, AMQSession.NO_ACKNOWLEDGE);
+ }
+
+ public void testPreAck() throws Exception
+ {
+ testAcking(false, AMQSession.PRE_ACKNOWLEDGE);
+ }
+
+ private void syncIfNotTransacted(boolean transacted) throws Exception
+ {
+ if(!transacted)
+ {
+ ((AMQSession<?,?>)_consumerSession).sync();
+ }
+ }
+}