def test_locale_to_lower_upper(): """ Test cc.i18n.util.locale_to_lower_upper() """ assert translate.locale_to_lower_upper('en') == 'en' assert translate.locale_to_lower_upper('en_US') == 'en_US' assert translate.locale_to_lower_upper('en-us') == 'en_US' # crazy renditions. Useful? assert translate.locale_to_lower_upper('en-US') == 'en_US' assert translate.locale_to_lower_upper('en_us') == 'en_US'