AutoPageNumberUtils { public static String asAlphaNumericLower(int i) { return asAlphaNumeric(i).toLowerCase(Locale.ROOT); }  static String asAlphaNumeric(int i); static String asAlphaNumericLower(int i); static String asRomanNumerals(int i); static String asRomanNumeralsLower(int i);  }
@Test public void testAlphaLower() { assertEquals("a", AutoPageNumberUtils.asAlphaNumericLower(1)); assertEquals("z", AutoPageNumberUtils.asAlphaNumericLower(26)); assertEquals("aa", AutoPageNumberUtils.asAlphaNumericLower(27)); assertEquals("zz", AutoPageNumberUtils.asAlphaNumericLower(52)); assertEquals("aaa", AutoPageNumberUtils.asAlphaNumericLower(53)); assertEquals("zzz", AutoPageNumberUtils.asAlphaNumericLower(78)); }