assertEquals(AdminStringUtil::shorthandToUnicode("'^a'^A^'a^'A"), 'ấẤấẤ');
assertEquals(AdminStringUtil::shorthandToUnicode("'~a'~A~'a~'A"), 'ắẮắẮ');
assertEquals(AdminStringUtil::shorthandToUnicode("~a~A^a^A'a'A"), 'ăĂâÂáÁ');
assertEquals(AdminStringUtil::shorthandToUnicode("`a`A:a:A"), 'àÀäÄ');
assertEquals(AdminStringUtil::shorthandToUnicode(",c,C'c'C~c~C"), 'çÇćĆčČ');
assertEquals(AdminStringUtil::shorthandToUnicode("'e'E`e`E^e^E"), 'éÉèÈêÊ');
assertEquals(AdminStringUtil::shorthandToUnicode(":e:E~e~E~g~G"), 'ëËĕĔğĞ');
assertEquals(AdminStringUtil::shorthandToUnicode("'^i'^I^'i^'I"), 'î́Î́î́Î́');
assertEquals(AdminStringUtil::shorthandToUnicode("'i'I`i`I^i^I"), 'íÍìÌîÎ');
assertEquals(AdminStringUtil::shorthandToUnicode(":i:I~i~I~n~N"), 'ïÏĭĬñÑ');
assertEquals(AdminStringUtil::shorthandToUnicode("'o'O`o`O^o^O"), 'óÓòÒôÔ');
assertEquals(AdminStringUtil::shorthandToUnicode(":o:O~o~O~r~R"), 'öÖõÕřŘ');
assertEquals(AdminStringUtil::shorthandToUnicode("~s~S,s,S,t,T"), 'šŠșȘțȚ');
assertEquals(AdminStringUtil::shorthandToUnicode("'u'U`u`U^u^U"), 'úÚùÙûÛ');
assertEquals(AdminStringUtil::shorthandToUnicode(":u:U~u~U"), 'üÜŭŬ');
assertEquals(AdminStringUtil::shorthandToUnicode("'y'Y:y:Y~z~Z"), 'ýÝÿŸžŽ');
assertEquals('acegyzACEGYZ', StringUtil::unicodeToLatin("ắčèğýžẮČÈĞÝŽ"));
assertEquals('mama', mb_strtolower('mama'));
assertEquals('mama', mb_strtolower('maMa'));
assertEquals('mama', mb_strtolower('MAmA'));
assertEquals('mamă', mb_strtolower('MAmă'));
assertEquals('mamă', mb_strtolower('MAmĂ'));
assertEquals('abcúùû', mb_strtolower('ABCÚÙÛ'));
assertEquals('ÿ', mb_strtolower('Ÿ'));
assertEquals('MAMA', mb_strtoupper('MAMA'));
assertEquals('MAMA', mb_strtoupper('MAmA'));
assertEquals('MAMA', mb_strtoupper('MAmA'));
assertEquals('MAMĂ', mb_strtoupper('MamĂ'));
assertEquals('MAMĂ', mb_strtoupper('maMă'));
assertEquals('ABCÚÙÛ', mb_strtoupper('abcúùû'));
assertEquals('Ÿ', mb_strtoupper('ÿ'));
