diff --git a/testMain.hpp b/testMain.hpp
index 8469ba2..c87cda8 100644
--- a/testMain.hpp
+++ b/testMain.hpp
@@ -292,6 +292,21 @@ bool caesarTest(std::string& errorString){
 		passed = false;
 	}
 
+	inputString = "you";
+	outputString = "iye";
+	//Try it forwards
+	cipherString = cipher.encode(10, inputString);
+	if(cipherString != outputString){
+		errorString += testingError(ENCODE, inputString, outputString, cipherString);
+		passed = false;
+	}
+	//Try it backwards
+	cipherString = cipher.decode(10, outputString);
+	if(cipherString != inputString){
+		errorString += testingError(DECODE, outputString, inputString, cipherString);
+		passed = false;
+	}
+
 	return passed;
 }
 #endif //CAESAR_TEST