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-rw-r--r--src/DotNetOpenAuth.Test/Mocks/CoordinatingOAuthChannel.cs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.Test/Mocks/CoordinatingOAuthChannel.cs b/src/DotNetOpenAuth.Test/Mocks/CoordinatingOAuthChannel.cs
index 10b0261..7dc369b 100644
--- a/src/DotNetOpenAuth.Test/Mocks/CoordinatingOAuthChannel.cs
+++ b/src/DotNetOpenAuth.Test/Mocks/CoordinatingOAuthChannel.cs
@@ -6,6 +6,7 @@
namespace DotNetOpenAuth.Test.Mocks {
using System;
+ using System.Diagnostics.Contracts;
using System.Threading;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.Messaging.Bindings;
@@ -134,7 +135,7 @@ namespace DotNetOpenAuth.Test.Mocks {
}
private T CloneSerializedParts<T>(T message, HttpRequestInfo requestInfo) where T : class, IProtocolMessage {
- ErrorUtilities.VerifyArgumentNotNull(message, "message");
+ Contract.Requires<ArgumentNullException>(message != null);
IProtocolMessage clonedMessage;
var messageAccessor = this.MessageDescriptions.GetAccessor(message);