Java Code Examples for java.util.GregorianCalendar#setFirstDayOfWeek()

The following examples show how to use java.util.GregorianCalendar#setFirstDayOfWeek() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DateUtils.java    From tianti with Apache License 2.0 5 votes vote down vote up
/**
 * 当前星期的最后一天
 * @param date
 * @return
 */
public static Date getWeekEndDate(Date date){
	GregorianCalendar c = new GregorianCalendar(Locale.CHINA);
	c.setTime(date);
	c.setFirstDayOfWeek(RANGE_WEEK_MONDAY);
	c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
	c.set(Calendar.HOUR_OF_DAY, 23);
	c.set(Calendar.MINUTE, 59);
	c.set(Calendar.SECOND, 59);
	return c.getTime();
}
 
Example 2
Source File: DateUtils.java    From tianti with Apache License 2.0 5 votes vote down vote up
/**
 * 当前星期的第一天
 * @param date
 * @return
 */
public static Date getWeekStartDate(Date date){
	GregorianCalendar c = new GregorianCalendar(Locale.CHINA);
	c.setTime(date);
	c.setFirstDayOfWeek(RANGE_WEEK_MONDAY);
	c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
	c.set(Calendar.HOUR_OF_DAY, 00);
	c.set(Calendar.MINUTE, 00);
	c.set(Calendar.SECOND, 00);
	return c.getTime();
}
 
Example 3
Source File: TestDateTimeUtils.java    From threetenbp with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
public void test_toCalendar_ZDT() {
    ZonedDateTime zdt = ZonedDateTime.of(2012, 6, 30, 11, 30, 40, 0, PARIS);
    GregorianCalendar calendar = new GregorianCalendar(PARIS_TZ);
    calendar.setFirstDayOfWeek(Calendar.MONDAY);
    calendar.setMinimalDaysInFirstWeek(4);
    calendar.set(2012, 6 - 1, 30, 11, 30, 40);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.setTimeInMillis(calendar.getTimeInMillis());
    calendar.setGregorianChange(new Date(Long.MIN_VALUE));
    GregorianCalendar test = DateTimeUtils.toGregorianCalendar(zdt);
    assertEquals(test, calendar);
}
 
Example 4
Source File: JavatimeTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 5
Source File: TestIsoChronoImpl.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 6
Source File: JavatimeTest.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 7
Source File: TestIsoChronoImpl.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 8
Source File: JavatimeTest.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 9
Source File: TestIsoChronoImpl.java    From j2objc with Apache License 2.0 4 votes vote down vote up
@Test
@UseDataProvider("provider_rangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals("Unexpected calendar type", cal.getCalendarType(), "gregory");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals("Day mismatch in " + isoDate + ";  cal: " + cal,
                    isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH));
                assertEquals("Month mismatch in " + isoDate, isoDate.get(MONTH_OF_YEAR),
                    cal.get(Calendar.MONTH) + 1);
                assertEquals("Year mismatch in " + isoDate, isoDate.get(YEAR_OF_ERA),
                    cal.get(Calendar.YEAR));

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals("Calendar DayOfWeek does not match ISO DayOfWeek", jdow, dow);

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals("Calendar WeekOfMonth does not match ISO WeekOfMonth",
                    jweekOfMonth, isoWeekOfMonth);

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals("GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear",
                    jweekOfYear, weekOfYear);

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals("GregorianCalendar getWeekYear does not match YearOfWeekBasedYear",
                    jWeekYear, weekBasedYear);

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals("length of weekBasedYear", jweeksInWeekyear, weeksInWeekBasedYear);

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 10
Source File: JavatimeTest.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 11
Source File: TestIsoChronoImpl.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 12
Source File: TestIsoChronoImpl.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 13
Source File: JavatimeTest.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 14
Source File: TestIsoChronoImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 15
Source File: JavatimeTest.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 16
Source File: TestIsoChronoImpl.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 17
Source File: JavatimeTest.java    From native-obfuscator with GNU General Public License v3.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 18
Source File: JavatimeTest.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 
Example 19
Source File: TestIsoChronoImpl.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 
Example 20
Source File: JavatimeTest.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }