1 files changed, 89 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/test/transport/util/CircularBufferTest.cs b/qpid/dotnet/client-010/test/transport/util/CircularBufferTest.cs
new file mode 100644
index 0000000000..5e39569cf8
--- /dev/null
+++ b/qpid/dotnet/client-010/test/transport/util/CircularBufferTest.cs
@@ -0,0 +1,89 @@
+/*
+*
+* 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.
+*
+*/
+
+using System;
+using System.Threading;
+using common.org.apache.qpid.transport.util;
+using NUnit.Framework;
+using org.apache.qpid.transport.util;
+
+namespace test.transport.util
+{
+    [TestFixture]
+
+    public class CircularBufferTest
+    {
+        private CircularBuffer<Object> _buf;
+        private static readonly Logger _log = Logger.Get(typeof(CircularBufferTest));
+
+        [Test]
+        public void BlockingEnqueue()
+        {
+            _log.Debug("Running: BlockingEnqueue");
+            const int size = 10;
+            _buf = new CircularBuffer<Object>(size);
+            // add size element anc check that the size +1 add blocks 
+            for (int i = 1; i < size; i++ )
+            {
+                _buf.Enqueue(new object());
+            }
+            // check tha the buffer is now full 
+            Thread t = new Thread(Go);
+            t.Start();
+            Thread.Sleep(100);
+            // the trhead t should block until an element is dequeued 
+            Assert.IsTrue(t.ThreadState == ThreadState.WaitSleepJoin);           
+            _buf.Dequeue();
+            // t should now be stopped 
+            Thread.Sleep(100);
+            Assert.IsTrue(t.ThreadState == ThreadState.Stopped);           
+        }
+
+        [Test]
+        public void Close()
+        {
+            _log.Debug("Running: BlockingEnqueue");
+            const int size = 10;
+            _buf = new CircularBuffer<Object>(size);
+            // add size element anc check that the size +1 add blocks 
+            for (int i = 1; i < size; i++)
+            {
+                _buf.Enqueue(new object());
+            }
+            // check tha the buffer is now full 
+            Thread t = new Thread(Go);
+            t.Start();
+            Thread.Sleep(1000);
+            // the trhead t should block until the buffer is closed             
+            Assert.IsTrue(t.ThreadState == ThreadState.WaitSleepJoin);
+            _buf.Close();
+            Thread.Sleep(100);
+            // t should now be stopped 
+            Assert.IsTrue(t.ThreadState == ThreadState.Stopped);           
+        }
+
+        void Go()
+        {
+            _buf.Enqueue(new object());
+        }
+
+    }
+}