QPID-6294 : [Java Client] Allow use of 0 prefetch in AMQP 0-8/9/9-1

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1648987 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 83 insertions, 0 deletions

diff --git a/qpid/java/systests/src/test/java/org/apache/qpid/systest/prefetch/ZeroPrefetchTest.java b/qpid/java/systests/src/test/java/org/apache/qpid/systest/prefetch/ZeroPrefetchTest.java
new file mode 100644
index 0000000000..6a9fa0175a
--- /dev/null
+++ b/qpid/java/systests/src/test/java/org/apache/qpid/systest/prefetch/ZeroPrefetchTest.java
@@ -0,0 +1,83 @@
+/*
+ *
+ * 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.systest.prefetch;
+
+import java.util.UUID;
+
+import javax.jms.Connection;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Queue;
+import javax.jms.Session;
+
+import org.apache.qpid.configuration.ClientProperties;
+import org.apache.qpid.test.utils.QpidBrokerTestCase;
+
+public class ZeroPrefetchTest extends QpidBrokerTestCase
+{
+
+    private static final String TEST_PROPERTY_NAME = "testProp";
+
+    // send two messages to the queue, consume and acknowledge one message on connection 1
+    // create a second connection and attempt to consume the second message - this will only be possible
+    // if the first connection has no prefetch
+    public void testZeroPrefetch() throws Exception
+    {
+        setTestClientSystemProperty(ClientProperties.MAX_PREFETCH_PROP_NAME, "0");
+        Connection prefetch1Connection = getConnection();
+
+        prefetch1Connection.start();
+
+        final Session prefetch1session = prefetch1Connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        Queue queue = prefetch1session.createQueue(getTestQueueName());
+        MessageConsumer prefetch1consumer = prefetch1session.createConsumer(queue);
+
+
+        Session producerSession = prefetch1Connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        MessageProducer producer = producerSession.createProducer(queue);
+        Message firstMessage = producerSession.createMessage();
+        String firstPropertyValue = UUID.randomUUID().toString();
+        firstMessage.setStringProperty(TEST_PROPERTY_NAME, firstPropertyValue);
+        producer.send(firstMessage);
+
+        Message secondMessage = producerSession.createMessage();
+        String secondPropertyValue = UUID.randomUUID().toString();
+        secondMessage.setStringProperty(TEST_PROPERTY_NAME, secondPropertyValue);
+        producer.send(secondMessage);
+
+
+        Message receivedMessage = prefetch1consumer.receive(2000l);
+        assertNotNull("First message was not received", receivedMessage);
+        assertEquals("Message property was not as expected", firstPropertyValue, receivedMessage.getStringProperty(TEST_PROPERTY_NAME));
+
+        Connection prefetch2Connection = getConnection();
+
+        prefetch2Connection.start();
+        final Session prefetch2session = prefetch2Connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        MessageConsumer prefetch2consumer = prefetch2session.createConsumer(queue);
+
+        receivedMessage = prefetch2consumer.receive(2000l);
+        assertNotNull("Second message was not received", receivedMessage);
+        assertEquals("Message property was not as expected", secondPropertyValue, receivedMessage.getStringProperty(TEST_PROPERTY_NAME));
+
+    }
+}