Examples with WeekFields java.time.temporal.WeekFields used on opensource projects

Example 1 with WeekFields

use of java.time.temporal.WeekFields in project jdk8u_jdk by JetBrains.

the class TCKWeekFields method test_weekOfWeekBasedYearField.

/**
     * Verify that the date can be reconstructed from the DOW, WeekOfWeekBasedYear,
     * and WeekBasedYear for every combination of start of week
     * and minimal days in week.
     * @param firstDayOfWeek the first day of the week
     * @param minDays the minimum number of days in the week
     */
@Test(dataProvider = "weekFields")
public void test_weekOfWeekBasedYearField(DayOfWeek firstDayOfWeek, int minDays) {
    // Known to be ISO Monday
    LocalDate day = LocalDate.of(2012, 12, 31);
    WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = weekDef.dayOfWeek();
    TemporalField wowbyField = weekDef.weekOfWeekBasedYear();
    TemporalField yowbyField = weekDef.weekBasedYear();
    for (int i = 1; i <= 15; i++) {
        int actualDOW = day.get(dowField);
        int actualWOWBY = day.get(wowbyField);
        int actualYOWBY = day.get(yowbyField);
        // Verify that the combination of day of week and week of month can be used
        // to reconstruct the same date.
        LocalDate day1 = LocalDate.of(actualYOWBY, 1, 1);
        DayOfWeek isoDOW = day1.getDayOfWeek();
        int dow = (7 + isoDOW.getValue() - firstDayOfWeek.getValue()) % 7 + 1;
        int weekStart = Math.floorMod(1 - dow, 7);
        if (weekStart + 1 > weekDef.getMinimalDaysInFirstWeek()) {
            // The previous week has the minimum days in the current month to be a 'week'
            weekStart -= 7;
        }
        weekStart += actualDOW - 1;
        weekStart += (actualWOWBY - 1) * 7;
        LocalDate result = day1.plusDays(weekStart);
        assertEquals(result, day, "Incorrect dayOfWeek or weekOfYear " + String.format("%s, ISO Dow: %s, weekStart: %s, actualDOW: %s, actualWOWBY: %s, YearOfWBY: %d, expected day: %s, result: %s%n", weekDef, day.getDayOfWeek(), weekStart, actualDOW, actualWOWBY, actualYOWBY, day, result));
        day = day.plusDays(1);
    }
}

Example 2 with WeekFields

use of java.time.temporal.WeekFields in project jdk8u_jdk by JetBrains.

the class TCKWeekFields method test_parse_resolve_localizedWoy_strict.

@Test(dataProvider = "weekFields")
public void test_parse_resolve_localizedWoy_strict(DayOfWeek firstDayOfWeek, int minDays) {
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField woyField = week.weekOfYear();
    DateTimeFormatter f = new DateTimeFormatterBuilder().appendValue(YEAR).appendLiteral(':').appendValue(woyField).appendLiteral(':').appendValue(DAY_OF_WEEK).toFormatter().withResolverStyle(STRICT);
    String str = "2012:0:1";
    try {
        LocalDate date = LocalDate.parse(str, f);
        assertEquals(date.getYear(), 2012);
        assertEquals(date.get(woyField), 0);
        assertEquals(date.get(DAY_OF_WEEK), 1);
    } catch (DateTimeException ex) {
    // expected
    }
}

Example 3 with WeekFields

use of java.time.temporal.WeekFields in project jdk8u_jdk by JetBrains.

the class TCKWeekFields method test_parse_resolve_localizedWom.

//-----------------------------------------------------------------------
@Test(dataProvider = "weekFields")
public void test_parse_resolve_localizedWom(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 15);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField womField = week.weekOfMonth();
    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder().appendValue(YEAR).appendLiteral(':').appendValue(MONTH_OF_YEAR).appendLiteral(':').appendValue(womField).appendLiteral(':').appendValue(DAY_OF_WEEK).toFormatter().withResolverStyle(SMART);
        String str = date.getYear() + ":" + date.getMonthValue() + ":" + date.get(womField) + ":" + date.get(DAY_OF_WEEK);
        LocalDate parsed = LocalDate.parse(str, f);
        assertEquals(parsed, date, " ::" + str + "::" + i);
        date = date.plusDays(1);
    }
}

Example 4 with WeekFields

use of java.time.temporal.WeekFields in project jdk8u_jdk by JetBrains.

the class TCKWeekFields method test_withWeekOfWeekBasedYear.

@Test(dataProvider = "weekFields")
public void test_withWeekOfWeekBasedYear(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate day = LocalDate.of(2012, 12, 31);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField wowbyField = week.weekOfWeekBasedYear();
    TemporalField yowbyField = week.weekBasedYear();
    int dowExpected = (day.get(dowField) - 1) % 7 + 1;
    LocalDate dowDate = day.with(dowField, dowExpected);
    int dowResult = dowDate.get(dowField);
    assertEquals(dowResult, dowExpected, "Localized DayOfWeek not correct; " + day + " -->" + dowDate);
    int weekExpected = day.get(wowbyField) + 1;
    ValueRange range = day.range(wowbyField);
    weekExpected = ((weekExpected - 1) % (int) range.getMaximum()) + 1;
    LocalDate weekDate = day.with(wowbyField, weekExpected);
    int weekResult = weekDate.get(wowbyField);
    assertEquals(weekResult, weekExpected, "Localized WeekOfWeekBasedYear not correct; " + day + " -->" + weekDate);
    int yearExpected = day.get(yowbyField) + 1;
    LocalDate yearDate = day.with(yowbyField, yearExpected);
    int yearResult = yearDate.get(yowbyField);
    assertEquals(yearResult, yearExpected, "Localized WeekBasedYear not correct; " + day + " --> " + yearDate);
    range = yearDate.range(wowbyField);
    weekExpected = Math.min(day.get(wowbyField), (int) range.getMaximum());
    int weekActual = yearDate.get(wowbyField);
    assertEquals(weekActual, weekExpected, "Localized WeekOfWeekBasedYear week should not change; " + day + " --> " + yearDate + ", actual: " + weekActual + ", weekExpected: " + weekExpected);
}

Example 5 with WeekFields

use of java.time.temporal.WeekFields in project jdk8u_jdk by JetBrains.

the class TCKWeekFields method test_parse_resolve_localizedWoyDow.

//-----------------------------------------------------------------------
@Test(dataProvider = "weekFields")
public void test_parse_resolve_localizedWoyDow(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 15);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField woyField = week.weekOfYear();
    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder().appendValue(YEAR).appendLiteral(':').appendValue(MONTH_OF_YEAR).appendLiteral(':').appendValue(woyField).appendLiteral(':').appendValue(dowField).toFormatter();
        String str = date.getYear() + ":" + date.getMonthValue() + ":" + date.get(woyField) + ":" + date.get(dowField);
        LocalDate parsed = LocalDate.parse(str, f);
        assertEquals(parsed, date, " :: " + str + " " + i);
        date = date.plusDays(1);
    }
}