public void Rot13EncryptTestOnStringWhiteSpaces()
{
Rot13 target = new Rot13();
String inputString = "test string";
String expected = "grfg fgevat";
String actual;
actual = target.Encrypt(inputString);
Assert.AreEqual(expected, actual);
}
public void Rot13EncryptTestOnNullString()
{
Rot13 target = new Rot13();
String inputString = null;
target.Encrypt(inputString);
}