public void And_CultureName_is_null_Then_InvariantCulture_is_used()
        {
            var settings = new AppSettings(SimpleConfig.AbsolutePathToConfigFile);

            var mySettings = new SettingsWithNullCultureName();
            settings.WriteInto(mySettings);

            // The setting contains value of 1,1 which is valid when using
            // Finnish locale. Since the CultureName is null we are using
            // InvariantCulture which will turn 1,1 into 11.0
            Assert.AreEqual(11.0d, mySettings.FinnishLocaleDoubleValue);
        }