v4.0.0 (#1357)

Source/MQTTnet.AspNetCore.Tests/Mockups/DuplexPipeMockup.cs

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.IO.Pipelines;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class DuplexPipeMockup : IDuplexPipe
+    {
+        public DuplexPipeMockup()
+        {
+            var pool = new LimitedMemoryPool();
+            var pipeOptions = new PipeOptions(pool);
+            Receive = new Pipe(pipeOptions);
+            Send = new Pipe(pipeOptions);
+        }
+
+        PipeReader IDuplexPipe.Input => Receive.Reader;
+
+        PipeWriter IDuplexPipe.Output => Send.Writer;
+
+
+        public Pipe Receive { get; set; } 
+
+        public Pipe Send { get; set; }
+    }
+}