test case for AMQ-1976, just remove the short circut return to try

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@705259 13f79535-47bb-0310-9956-ffa450edef68

activemq-core/src/test/java/org/apache/activemq/usecases/QueueMemoryFullMultiBrokersTest.java

@@ -0,0 +1,105 @@
+/**
+ * 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.usecases;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import javax.jms.Destination;
+
+import org.apache.activemq.JmsMultipleBrokersTestSupport;
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.broker.region.Queue;
+import org.apache.activemq.broker.region.RegionBroker;
+import org.apache.activemq.broker.region.policy.PolicyEntry;
+import org.apache.activemq.broker.region.policy.PolicyMap;
+import org.apache.activemq.broker.region.policy.VMPendingQueueMessageStoragePolicy;
+import org.apache.activemq.command.ActiveMQDestination;
+import org.apache.activemq.usage.SystemUsage;
+
+public class QueueMemoryFullMultiBrokersTest extends JmsMultipleBrokersTestSupport {
+    public static final int BROKER_COUNT = 2;
+    public static final int MESSAGE_COUNT = 2000;
+   
+    public void testQueueNetworkWithConsumerFull() throws Exception {
+        if (true) return;
+        
+        bridgeAllBrokers();
+        startAllBrokers();
+
+        Destination dest = createDestination("TEST.FOO", false);
+
+        sendMessages("Broker1", dest, 50);
+
+        CountDownLatch latch = new CountDownLatch(MESSAGE_COUNT);
+        createConsumer("Broker2", dest, latch);
+        assertConsumersConnect("Broker1", dest, 1, 30000);
+        sendMessages("Broker1", dest, MESSAGE_COUNT - 50);
+
+        // Wait for messages to be delivered
+        assertTrue("Missing " + latch.getCount() + " messages", latch.await(45, TimeUnit.SECONDS));
+        
+        // verify stats, all messages acked
+        BrokerService broker1 = brokers.get("Broker1").broker;
+        RegionBroker regionBroker = (RegionBroker) broker1.getRegionBroker();
+        // give the acks a chance to flow
+        Thread.sleep(2000);
+        Queue internalQueue = (Queue) regionBroker.getDestinations(ActiveMQDestination.transform(dest)).iterator().next(); 
+        System.err.println(internalQueue);
+        
+        assertTrue("All messages are consumed and acked from source:" + internalQueue, internalQueue.getMessages().isEmpty());
+        assertEquals("messages source:" + internalQueue, 0, internalQueue.getDestinationStatistics().getMessages().getCount());
+        assertEquals("inflight source:" + internalQueue, 0, internalQueue.getDestinationStatistics().getInflight().getCount());
+        
+
+    }
+
+    public void setUp() throws Exception {
+        super.setAutoFail(true);
+        super.setUp();
+        messageSize = 1024;
+        
+        // Setup n brokers
+        for (int i = 1; i <= BROKER_COUNT; i++) {
+            createBroker(new URI("broker:()/Broker" + i + "?persistent=false&useJmx=false"));
+        }
+        BrokerService broker2 = brokers.get("Broker2").broker;
+        applyMemoryLimitPolicy(broker2);
+        
+    }
+
+    private void applyMemoryLimitPolicy(BrokerService broker) {
+        final SystemUsage memoryManager = new SystemUsage();
+        memoryManager.getMemoryUsage().setLimit(1024 * 50); // 50 MB
+        broker.setSystemUsage(memoryManager);
+
+        final List<PolicyEntry> policyEntries = new ArrayList<PolicyEntry>();
+        final PolicyEntry entry = new PolicyEntry();
+        entry.setQueue(">");
+        entry.setMemoryLimit(1024 * 4); // Set to 2 kb
+        entry.setPendingQueuePolicy(new VMPendingQueueMessageStoragePolicy());
+        policyEntries.add(entry);
+
+        final PolicyMap policyMap = new PolicyMap();
+        policyMap.setPolicyEntries(policyEntries);
+        broker.setDestinationPolicy(policyMap);
+        
+    }
+}