2 files changed, 5 insertions, 5 deletions
diff --git a/TwoStepsAuthenticator.UnitTests/CounterAuthenticatorTests.cs b/TwoStepsAuthenticator.UnitTests/CounterAuthenticatorTests.cs
index 7b2944f..f834178 100644
--- a/TwoStepsAuthenticator.UnitTests/CounterAuthenticatorTests.cs
+++ b/TwoStepsAuthenticator.UnitTests/CounterAuthenticatorTests.cs
@@ -14,9 +14,9 @@ namespace TwoStepsAuthenticator.UnitTests {
         public void CreateKey() {
             var authenticator = new CounterAuthenticator();
             var secret = Authenticator.GenerateKey();
-            var code = authenticator.GetCode(secret, 0L);
+            var code = authenticator.GetCode(secret, 0uL);
 
-            Assert.IsTrue(authenticator.CheckCode(secret, code, 0L), "Generated Code doesn't verify");
+            Assert.IsTrue(authenticator.CheckCode(secret, code, 0uL), "Generated Code doesn't verify");
         }
 
         // Test Values from http://www.ietf.org/rfc/rfc4226.txt - Appendix D
diff --git a/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs b/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
index 7099c89..15ae91e 100644
--- a/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
+++ b/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
@@ -14,9 +14,9 @@ namespace TwoStepsAuthenticator.UnitTests {
         public void Can_add_codes() {
             var manager = new UsedCodesManager();
 
-            Assert.IsFalse(manager.IsCodeUsed("abc", "def"));
-            manager.AddCode("abc", "def");
-            Assert.IsTrue(manager.IsCodeUsed("abc", "def"));
+            Assert.IsFalse(manager.IsCodeUsed(42uL, "def"));
+            manager.AddCode(42uL, "def");
+            Assert.IsTrue(manager.IsCodeUsed(42uL, "def"));
         }
 
     }