1 files changed, 20 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.Test/TestUtilities.cs b/src/DotNetOpenAuth.Test/TestUtilities.cs
index cf9b5a3..a526f7f 100644
--- a/src/DotNetOpenAuth.Test/TestUtilities.cs
+++ b/src/DotNetOpenAuth.Test/TestUtilities.cs
@@ -7,16 +7,35 @@
 namespace DotNetOpenAuth.Test {
 	using System;
 	using System.Collections.Generic;
+	using System.Collections.Specialized;
 	using System.Linq;
+	using System.Net;
 	using log4net;
 
 	/// <summary>
 	/// An assortment of methods useful for testing.
 	/// </summary>
-	internal class TestUtilities {
+	internal static class TestUtilities {
 		/// <summary>
 		/// The logger that tests should use.
 		/// </summary>
 		internal static readonly ILog TestLogger = LogManager.GetLogger("DotNetOpenAuth.Test");
+
+		internal static void ApplyTo(this NameValueCollection source, NameValueCollection target) {
+			Requires.NotNull(source, "source");
+			Requires.NotNull(target, "target");
+
+			foreach (string header in source) {
+				target[header] = source[header];
+			}
+		}
+
+		internal static T Clone<T>(this T source) where T : NameValueCollection, new() {
+			Requires.NotNull(source, "source");
+
+			var result = new T();
+			ApplyTo(source, result);
+			return result;
+		}
 	}
 }