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Added test case to verify that the prefetch buffer works as expected for prefetch==1 

http://www.nabble.com/Trouble-with-prefetch-buffer.-tf2029800.html#a5599978

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@428022 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2006-08-02 15:22:30 +00:00
parent 9c92f186a5
commit 98f3545303
1 changed files with 42 additions and 0 deletions
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42
activemq-core/src/test/java/org/apache/activemq/JMSConsumerTest.java
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@ -32,6 +32,7 @@ import junit.framework.Test;
import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQMessageConsumer; import org.apache.activemq.ActiveMQMessageConsumer;
import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch; import edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch;
import edu.emory.mathcs.backport.java.util.concurrent.TimeUnit; import edu.emory.mathcs.backport.java.util.concurrent.TimeUnit;
@ -486,7 +487,48 @@ public class JMSConsumerTest extends JmsTestSupport {
assertNull(consumer.receiveNoWait()); assertNull(consumer.receiveNoWait());
} }
public void initCombosForTestPrefetch1MessageNotDispatched() {
addCombinationValues("deliveryMode", new Object[] { new Integer(DeliveryMode.NON_PERSISTENT),
new Integer(DeliveryMode.PERSISTENT) });
}
public void testPrefetch1MessageNotDispatched() throws Exception {
// Set prefetch to 1
connection.getPrefetchPolicy().setAll(1);
connection.start();
Session session = connection.createSession(true, 0);
destination = new ActiveMQQueue("TEST");
MessageConsumer consumer = session.createConsumer(destination);
// Send 2 messages to the destination.
sendMessages(session, destination, 2);
session.commit();
// Only pick up the first message.
Message message1 = message1 = consumer.receive(1000);
assertNotNull(message1);
// Don't acknowledge yet. This should keep our prefetch full.
// Since prefetch is still full, the 2nd message should get dispatched to
// another consumer.. lets create the 2nd consumer test that it does make sure it does.
ActiveMQConnection connection2 = (ActiveMQConnection) factory.createConnection();
connections.add(connection2);
Session session2 = connection2.createSession(true, 0);
MessageConsumer consumer2 = session2.createConsumer(destination);
// Only pick up the 2nd messages.
Message message2 = consumer.receive(1000);
assertNotNull(message2);
session.commit();
session2.commit();
assertNull(consumer.receiveNoWait());
}
public void initCombosForTestDontStart() { public void initCombosForTestDontStart() {
addCombinationValues("deliveryMode", new Object[] { new Integer(DeliveryMode.NON_PERSISTENT), }); addCombinationValues("deliveryMode", new Object[] { new Integer(DeliveryMode.NON_PERSISTENT), });
addCombinationValues("destinationType", new Object[] { new Byte(ActiveMQDestination.QUEUE_TYPE), addCombinationValues("destinationType", new Object[] { new Byte(ActiveMQDestination.QUEUE_TYPE),