1 files changed, 43 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.AspNet.Test/UriHelperTest.cs b/src/DotNetOpenAuth.AspNet.Test/UriHelperTest.cs
new file mode 100644
index 0000000..db60e17
--- /dev/null
+++ b/src/DotNetOpenAuth.AspNet.Test/UriHelperTest.cs
@@ -0,0 +1,43 @@
+//-----------------------------------------------------------------------
+// <copyright file="UriHelperTest.cs" company="Microsoft">
+//     Copyright (c) Microsoft. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.AspNet.Test {
+	using System;
+	using DotNetOpenAuth.AspNet.Clients;
+	using NUnit.Framework;
+
+	[TestFixture]
+	public class UriHelperTest {
+		[TestCase]
+		public void TestAttachQueryStringParameterMethod() {
+			// Arrange
+			string[] input = new string[]
+			{
+				"http://x.com",
+				"https://xxx.com/one?s=123",
+				"https://yyy.com/?s=6&u=a",
+				"https://zzz.com/default.aspx?name=sd"
+			};
+
+			string[] expectedOutput = new string[]
+			{
+				"http://x.com/?s=awesome",
+				"https://xxx.com/one?s=awesome",
+				"https://yyy.com/?s=awesome&u=a",
+				"https://zzz.com/default.aspx?name=sd&s=awesome"
+			};
+
+			for (int i = 0; i < input.Length; i++) {
+				// Act
+				var inputUrl = new Uri(input[i]);
+				var outputUri = UriHelper.AttachQueryStringParameter(inputUrl, "s", "awesome");
+
+				// Assert
+				Assert.AreEqual(expectedOutput[i], outputUri.ToString());
+			}
+		}
+	}
+}