2 files changed, 35 insertions, 3 deletions
diff --git a/src/DotNetOpenAuth.Test/Mocks/CoordinatingChannel.cs b/src/DotNetOpenAuth.Test/Mocks/CoordinatingChannel.cs
index 2c10db9..6fe5248 100644
--- a/src/DotNetOpenAuth.Test/Mocks/CoordinatingChannel.cs
+++ b/src/DotNetOpenAuth.Test/Mocks/CoordinatingChannel.cs
@@ -44,6 +44,11 @@ namespace DotNetOpenAuth.Test.Mocks {
 			this.VerifyMessageAfterReceiving(CloneSerializedParts(message));
 		}
 
+		internal void PostMessage(IProtocolMessage message) {
+			this.incomingMessage = CloneSerializedParts(message);
+			this.incomingMessageSignal.Set();
+		}
+
 		protected internal override HttpRequestInfo GetRequestFromContext() {
 			return new HttpRequestInfo((IDirectedProtocolMessage)this.AwaitIncomingMessage());
 		}
@@ -62,9 +67,7 @@ namespace DotNetOpenAuth.Test.Mocks {
 
 		protected override UserAgentResponse SendDirectMessageResponse(IProtocolMessage response) {
 			this.ProcessMessageFilter(response, true);
-			this.RemoteChannel.incomingMessage = CloneSerializedParts(response);
-			this.RemoteChannel.incomingMessageSignal.Set();
-			return null;
+			return new CoordinatingUserAgentResponse(CloneSerializedParts(response), this.RemoteChannel);
 		}
 
 		protected override UserAgentResponse SendIndirectMessage(IDirectedProtocolMessage message) {
diff --git a/src/DotNetOpenAuth.Test/Mocks/CoordinatingUserAgentResponse.cs b/src/DotNetOpenAuth.Test/Mocks/CoordinatingUserAgentResponse.cs
new file mode 100644
index 0000000..4897e98
--- /dev/null
+++ b/src/DotNetOpenAuth.Test/Mocks/CoordinatingUserAgentResponse.cs
@@ -0,0 +1,29 @@
+//-----------------------------------------------------------------------
+// <copyright file="CoordinatingUserAgentResponse.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Test.Mocks {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+	using DotNetOpenAuth.Messaging;
+
+	internal class CoordinatingUserAgentResponse : UserAgentResponse {
+		private CoordinatingChannel receivingChannel;
+
+		internal CoordinatingUserAgentResponse(IProtocolMessage message, CoordinatingChannel receivingChannel) {
+			ErrorUtilities.VerifyArgumentNotNull(message, "message");
+			ErrorUtilities.VerifyArgumentNotNull(receivingChannel, "receivingChannel");
+
+			this.receivingChannel = receivingChannel;
+			this.OriginalMessage = message;
+		}
+
+		public override void Send() {
+			this.receivingChannel.PostMessage(this.OriginalMessage);
+		}
+	}
+}