assertThat(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(date), is("2010/09/07 11:49:00"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_MediumStyle() throws Exception {
        final Date date = toDate("2010/9/7 11:49:10", Locale.JAPAN);
        assertThat(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(date), is("2010/09/07 11:49:10"));
    }

    /**

    protected static Date toDate(final String str, final Locale locale) {
        for (final DateFormat format : MultiIterator.iterable(new DateFormatIterator(locale), new PlainDateFormatIterator(str, locale))) {
            if (format == null) {
                continue;
            }
            final Date date = toDate(str, format);
            if (date != null) {
                return date;
            }
        }

            return toLong((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {
                return Long.valueOf(new SimpleDateFormat(pattern).format(o));
            }
            return ((java.util.Date) o).getTime();
        } else if (o instanceof Boolean) {
            return ((Boolean) o) ? (long) 1 : (long) 0;
        } else {

        }

    }

    @Override
    public String getAsString(final Object value) {
        if (value == null) {
            return null;
        }
        return new DecimalFormat(pattern).format(value);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return Number.class.isAssignableFrom(clazz);
    }

            return (BigDecimal) o;
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {
                return new BigDecimal(new SimpleDateFormat(pattern).format(o));
            }
            return new BigDecimal(Long.toString(((java.util.Date) o).getTime()));
        } else if (o instanceof String) {
            final String s = (String) o;
            if (StringUtil.isEmpty(s)) {

        }
        try {
            return Integer.parseInt(value);
        } catch (final NumberFormatException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid format: {}", value, e);
            }
        }
        return null;
    }

    @Override
    public String toString() {

        }

        // LDAP: cn=%s
        // AD: (&(objectClass=user)(sAMAccountName=%s))
        final String filter = String.format(accountFilter, ldapUser.getName());
        if (logger.isDebugEnabled()) {
            logger.debug("Account Filter: {}", filter);
        }
        final Set<String> subRoleSet = new HashSet<>();

    public static final String DATE_FORMAT_ISO_8601_BASIC = "yyyyMMdd'T'HHmmss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";

    public static final String DATE_FORMAT_ISO_8601_EXTEND_UTC = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public static final String DATE_FORMAT_DIGIT_ONLY = "yyyyMMddHHmmss";

    protected CoreLibConstants() {
    }

     */
    @Test
    public void testLogWithException() throws Exception {
        logger.log(format("ILOGTEST0001"), new Exception());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testLogWithArgsAndException() throws Exception {
        logger.log(format("ILOGTEST0002", "1", "2"), new Exception());
    }

    /**
     * @throws Exception
     */
    @Test

        log(format(messageCode, args));
    }

    /**
     * ログを出力します。
     * <p>
     * ログメッセージは{@link #format(String, Object...)}メソッドで作成します。
     * {@link #format(String, Object...)}を{@literal static import}しておくと便利です。
     * </p>
     *
     * <pre>
     * import static org.codelibs.core.log.Logger.format;
     *
     * Logger logger = Logger.getLogger(Xxx.class);