1 files changed, 77 insertions, 0 deletions
diff --git a/qpid/java/broker/src/test/java/org/apache/qpid/server/subscription/QueueBrowserUsesNoAckTest.java b/qpid/java/broker/src/test/java/org/apache/qpid/server/subscription/QueueBrowserUsesNoAckTest.java
new file mode 100644
index 0000000000..b315a79b33
--- /dev/null
+++ b/qpid/java/broker/src/test/java/org/apache/qpid/server/subscription/QueueBrowserUsesNoAckTest.java
@@ -0,0 +1,77 @@
+/*
+ *
+ * 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.server.subscription;
+
+import org.apache.qpid.server.util.InternalBrokerBaseCase;
+import org.apache.qpid.server.protocol.InternalTestProtocolSession;
+import org.apache.qpid.framing.AMQShortString;
+import org.apache.qpid.AMQException;
+
+import java.util.List;
+
+public class QueueBrowserUsesNoAckTest extends InternalBrokerBaseCase
+{
+
+    public void testQueueBrowserUsesNoAck() throws AMQException
+    {
+        int sendMessageCount = 2;
+        int prefetch = 1;
+
+        //Check store is empty
+        checkStoreContents(0);
+
+        //Send required messsages to the queue
+        publishMessages(getSession(), getChannel(), sendMessageCount);
+
+        //Ensure they are stored
+        checkStoreContents(sendMessageCount);
+
+        //Check that there are no unacked messages
+        assertEquals("Channel should have no unacked msgs ", 0,
+                     getChannel().getUnacknowledgedMessageMap().size());
+
+        //Set the prefetch on the session to be less than the sent messages
+        getChannel().setCredit(0, prefetch);
+
+        //browse the queue
+        AMQShortString browser = browse(getChannel(), getQueue());
+
+        getQueue().deliverAsync();
+
+        //Wait for messages to fill the prefetch
+        getSession().awaitDelivery(prefetch);
+
+        //Get those messages
+        List<InternalTestProtocolSession.DeliveryPair> messages =
+                getSession().getDelivers(getChannel().getChannelId(), browser,
+                                     prefetch);
+
+        //Ensure we recevied the prefetched messages
+        assertEquals(prefetch, messages.size());
+
+        //Check the process didn't suspend the subscription as this would
+        // indicate we are using the prefetch credit. i.e. using acks not No-Ack
+        assertTrue("The subscription has been suspended",
+                   !getChannel().getSubscription(browser).getState()
+                           .equals(Subscription.State.SUSPENDED));       
+    }
+
+}