public void WhenGeneratingANumericAccessCode_ThatCodeShouldVerifySuccessfully()
{
var calculator = new AccessTokenCalculator();
var code = calculator.GenerateULongAccessToken();
calculator.IsValid(code).ShouldBeTrue();
}
public void WhenGeneratingANumericAccessCode_AndMessingWithTheChecksum_ThatCodeShouldNotVerifySuccessfully()
{
var calculator = new AccessTokenCalculator();
var code = calculator.GenerateULongAccessToken();
code++;
calculator.IsValid(code).ShouldBeFalse();
}