1 files changed, 38 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Test/OAuth/ServiceProviderTests.cs b/src/DotNetOpenAuth.Test/OAuth/ServiceProviderTests.cs
new file mode 100644
index 0000000..2a443ce
--- /dev/null
+++ b/src/DotNetOpenAuth.Test/OAuth/ServiceProviderTests.cs
@@ -0,0 +1,38 @@
+//-----------------------------------------------------------------------
+// <copyright file="ServiceProviderTests.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Test.OAuth {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+	using DotNetOpenAuth.Messaging;
+	using DotNetOpenAuth.OAuth;
+	using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+	[TestClass]
+	public class ServiceProviderTests : TestBase {
+		/// <summary>
+		/// Verifies the CreateVerificationCode method.
+		/// </summary>
+		[TestMethod]
+		public void CreateVerificationCode() {
+			this.TestCode(VerificationCodeFormat.Numeric, 3, MessagingUtilities.Digits);
+			this.TestCode(VerificationCodeFormat.AlphaLower, 5, MessagingUtilities.LowercaseLetters);
+			this.TestCode(VerificationCodeFormat.AlphaUpper, 5, MessagingUtilities.UppercaseLetters);
+			this.TestCode(VerificationCodeFormat.AlphaNumericNoLookAlikes, 8, MessagingUtilities.AlphaNumericNoLookAlikes);
+		}
+
+		private void TestCode(VerificationCodeFormat format, int length, string allowableCharacters) {
+			string code = ServiceProvider.CreateVerificationCode(format, length);
+			TestContext.WriteLine("{0} of length {2}: {1}", format, code, length);
+			Assert.AreEqual(length, code.Length);
+			foreach (char ch in code) {
+				Assert.IsTrue(allowableCharacters.Contains(ch));
+			}
+		}
+	}
+}