*/
    @Test
    public void testToDate_LongStyle() throws Exception {
        final Date date = toDate("11:49:10 JST");
        final SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss");
        df.setTimeZone(TimeZone.getTimeZone("JST"));
        assertThat(df.format(date), is("11:49:10"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_FullStyle() throws Exception {

    //        final Date date = toDate("2010/09/07 11:49:10 JST", Locale.JAPAN);
    //        final SimpleDateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
    //        df.setTimeZone(TimeZone.getTimeZone("JST"));
    //        assertThat(df.format(date), is("2010/09/07 11:49:10"));
    //    }

    /**
     * @throws Exception
     */
    //    @Test

        DateFormat utcDateFormatter = new SimpleDateFormat(DEFAULT_SNAPSHOT_TIMESTAMP_FORMAT);
        utcDateFormatter.setCalendar(new GregorianCalendar());
        utcDateFormatter.setTimeZone(DEFAULT_SNAPSHOT_TIME_ZONE);
        return utcDateFormatter;
    }

        if (date == null) {
            return StringUtil.EMPTY;
        }
        final SimpleDateFormat sdf = new SimpleDateFormat(Constants.ISO_DATETIME_FORMAT);
        sdf.setTimeZone(Constants.TIMEZONE_UTC);
        return sdf.format(date);
    }

    /**
     * Formats a LocalDateTime object to ISO datetime string format.
     *
     * @param date the LocalDateTime to format

        }
        if (obj instanceof String) {
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
            sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
            try {
                return sdf.parse(obj.toString());
            } catch (final ParseException e) {
                if (logger.isDebugEnabled()) {

     */
    @Test
    public void testLocalize() throws Exception {
        final Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("JST"));
        final Calendar local = CalendarConversionUtil.localize(calendar);
        assertEquals(TimeZone.getDefault(), local.getTimeZone());
    }

    /**
     * Test method for
     * {@link org.codelibs.core.convert.CalendarConversionUtil#localize(Calendar)}
     * .

class UpdateReleasedVersionsIntegrationTest extends Specification {

    def format = new SimpleDateFormat('yyyyMMddHHmmssZ')

    @TempDir
    File tmpDir

    def setup() {
        format.timeZone = TimeZone.getTimeZone("UTC")
    }

    def "updated released version file has expected format"() {
        given:
        def releasedVersionsFile = new File(tmpDir, "released-versions.json")
        releasedVersionsFile << '''{

            // otherwise we'll use the current timestamp by default and miss
            val formatter = SimpleDateFormat("yyyyMMddHHmmssZ").apply {
                timeZone = TimeZone.getTimeZone("UTC")
            }
            return formatter.format(Date(0L))
        }

        val buildTimestampFromReceipt = buildTimestampFromBuildReceipt.orNull
        if (buildTimestampFromReceipt != null) {

        val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private
        fun newSimpleDateFormatUTC(pattern: String) = SimpleDateFormat(pattern).apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }

        fun readBuildReceiptFromString(buildReceipt: String) =
            Properties().apply { load(buildReceipt.reader()) }

        const val buildReceiptFileName = "build-receipt.properties"

  private fun formatDate(date: Date): String? {
    val rfc1123: DateFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US)
    rfc1123.timeZone = TimeZone.getTimeZone("GMT")
    return rfc1123.format(date)
  }