public void test_printParseShortName() {
        DateTimeFormatterBuilder bld = new DateTimeFormatterBuilder()
            .appendPattern("yyyy-MM-dd HH:mm ").appendTimeZoneShortName();
        DateTimeFormatter f = bld.toFormatter().withLocale(Locale.ENGLISH);
        
        assertEquals(true, f.isPrinter());
        assertEquals(false, f.isParser());
        DateTime dt1 = new DateTime(2011, 1, 4, 12, 30, 0, LONDON);
        assertEquals("2011-01-04 12:30 GMT", f.print(dt1));
        DateTime dt2 = new DateTime(2011, 7, 4, 12, 30, 0, LONDON);
        assertEquals("2011-07-04 12:30 BST", f.print(dt2));
        try {
            f.parseDateTime("2007-03-04 12:30 GMT");
            fail();
        } catch (UnsupportedOperationException e) {
        }
    }