1 files changed, 14 insertions, 0 deletions
diff --git a/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs b/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
index 15ae91e..1138f54 100644
--- a/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
+++ b/TwoStepsAuthenticator.UnitTests/UsedCodesManagerTests.cs
@@ -20,4 +20,18 @@ namespace TwoStepsAuthenticator.UnitTests {
         }
 
     }
+
+    internal class MockUsedCodesManager : IUsedCodesManager {
+        public ulong? LastChallenge { get; private set; }
+        public string LastCode { get; private set; }
+
+        public void AddCode(ulong challenge, string code) {
+            this.LastChallenge = challenge;
+            this.LastCode = code;
+        }
+
+        public bool IsCodeUsed(ulong challenge, string code) {
+            return false;
+        }
+    }
 }