Add test file missing from the previous commit

Author: michaelklishin

projects/client/Unit/src/unit/TestMessagePatternsSubscription.cs

@@ -0,0 +1,79 @@
+// This source code is dual-licensed under the Apache License, version
+// 2.0, and the Mozilla Public License, version 1.1.
+//
+// The APL v2.0:
+//
+//---------------------------------------------------------------------------
+//   Copyright (C) 2007-2013 GoPivotal, Inc.
+//
+//   Licensed 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.
+//---------------------------------------------------------------------------
+//
+// The MPL v1.1:
+//
+//---------------------------------------------------------------------------
+//  The contents of this file are subject to the Mozilla Public License
+//  Version 1.1 (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.mozilla.org/MPL/
+//
+//  Software distributed under the License is distributed on an "AS IS"
+//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+//  the License for the specific language governing rights and
+//  limitations under the License.
+//
+//  The Original Code is RabbitMQ.
+//
+//  The Initial Developer of the Original Code is GoPivotal, Inc.
+//  Copyright (c) 2007-2014 GoPivotal, Inc.  All rights reserved.
+//---------------------------------------------------------------------------
+
+using NUnit.Framework;
+
+using System;
+using System.Text;
+using System.Threading;
+using System.Diagnostics;
+
+using RabbitMQ.Client.Events;
+using RabbitMQ.Client.MessagePatterns;
+
+namespace RabbitMQ.Client.Unit {
+    [TestFixture]
+    public class TestMessagePatternsSubscription : IntegrationFixture {
+        UTF8Encoding enc = new UTF8Encoding();
+
+        [Test]
+        public void TestChannelClosureIsObservableOnSubscription()
+        {
+            string q = Model.QueueDeclare();
+            Subscription sub = new Subscription(Model, q, true);
+
+            BasicDeliverEventArgs r1;
+            Assert.IsFalse(sub.Next(100, out r1));
+
+            Model.BasicPublish("", q, null, enc.GetBytes("a message"));
+            Model.BasicPublish("", q, null, enc.GetBytes("a message"));
+
+            BasicDeliverEventArgs r2;
+            Assert.IsTrue(sub.Next(1000, out r2));
+            Assert.IsNotNull(sub.Next());
+
+            Model.Close();
+            Assert.IsNull(sub.Next());
+
+            BasicDeliverEventArgs r3;
+            Assert.IsFalse(sub.Next(100, out r3));
+        }
+    }
+}