1 files changed, 106 insertions, 0 deletions
diff --git a/java/java/cluster/test/org/apache/qpid/server/cluster/InductionBufferTest.java b/java/java/cluster/test/org/apache/qpid/server/cluster/InductionBufferTest.java
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index 0000000000..7e58add91e
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+++ b/java/java/cluster/test/org/apache/qpid/server/cluster/InductionBufferTest.java
@@ -0,0 +1,106 @@
+/*
+ *
+ * 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.cluster;
+
+import org.apache.mina.common.IoSession;
+
+import java.util.List;
+import java.util.ArrayList;
+
+import junit.framework.TestCase;
+
+public class InductionBufferTest extends TestCase
+{
+    public void test() throws Exception
+    {
+        IoSession session1 = new TestSession();
+        IoSession session2 = new TestSession();
+        IoSession session3 = new TestSession();
+
+        TestMessageHandler handler = new TestMessageHandler();
+        InductionBuffer buffer = new InductionBuffer(handler);
+
+        buffer.receive(session1, "one");
+        buffer.receive(session2, "two");
+        buffer.receive(session3, "three");
+
+        buffer.receive(session1, "four");
+        buffer.receive(session1, "five");
+        buffer.receive(session1, "six");
+
+        buffer.receive(session3, "seven");
+        buffer.receive(session3, "eight");
+
+        handler.checkEmpty();
+        buffer.deliver();
+
+        handler.check(session1, "one");
+        handler.check(session2, "two");
+        handler.check(session3, "three");
+
+        handler.check(session1, "four");
+        handler.check(session1, "five");
+        handler.check(session1, "six");
+
+        handler.check(session3, "seven");
+        handler.check(session3, "eight");
+        handler.checkEmpty();
+
+        buffer.receive(session1, "nine");
+        buffer.receive(session2, "ten");
+        buffer.receive(session3, "eleven");
+
+        handler.check(session1, "nine");
+        handler.check(session2, "ten");
+        handler.check(session3, "eleven");        
+
+        handler.checkEmpty();
+    }
+
+    private static class TestMessageHandler implements InductionBuffer.MessageHandler
+    {
+        private final List<IoSession> _sessions = new ArrayList<IoSession>();
+        private final List<Object> _msgs = new ArrayList<Object>();
+
+        public synchronized void deliver(IoSession session, Object msg) throws Exception
+        {
+            _sessions.add(session);
+            _msgs.add(msg);
+        }
+
+        void check(IoSession actualSession, Object actualMsg)
+        {
+            assertFalse(_sessions.isEmpty());
+            assertFalse(_msgs.isEmpty());
+            IoSession expectedSession = _sessions.remove(0);
+            Object expectedMsg = _msgs.remove(0);
+            assertEquals(expectedSession, actualSession);
+            assertEquals(expectedMsg, actualMsg);
+        }
+
+        void checkEmpty()
+        {
+            assertTrue(_sessions.isEmpty());
+            assertTrue(_msgs.isEmpty());
+        }
+    }
+}
+