Examples with ChronoLocalDateTime java.time.chrono.ChronoLocalDateTime used on opensource projects

Example 6 with ChronoLocalDateTime

use of java.time.chrono.ChronoLocalDateTime in project jdk8u_jdk by JetBrains.

the class TCKChronoLocalDateTime method test_datetime_comparisons.

//-----------------------------------------------------------------------
// isBefore, isAfter, isEqual
//-----------------------------------------------------------------------
@Test(dataProvider = "calendars")
public void test_datetime_comparisons(Chronology chrono) {
    List<ChronoLocalDateTime<?>> dates = new ArrayList<>();
    ChronoLocalDateTime<?> date = chrono.date(LocalDate.of(2013, 1, 1)).atTime(LocalTime.MIN);
    // Insert dates in order, no duplicates
    dates.add(date.minus(1, ChronoUnit.YEARS));
    dates.add(date.minus(1, ChronoUnit.MONTHS));
    dates.add(date.minus(1, ChronoUnit.WEEKS));
    dates.add(date.minus(1, ChronoUnit.DAYS));
    dates.add(date.minus(1, ChronoUnit.HOURS));
    dates.add(date.minus(1, ChronoUnit.MINUTES));
    dates.add(date.minus(1, ChronoUnit.SECONDS));
    dates.add(date.minus(1, ChronoUnit.NANOS));
    dates.add(date);
    dates.add(date.plus(1, ChronoUnit.NANOS));
    dates.add(date.plus(1, ChronoUnit.SECONDS));
    dates.add(date.plus(1, ChronoUnit.MINUTES));
    dates.add(date.plus(1, ChronoUnit.HOURS));
    dates.add(date.plus(1, ChronoUnit.DAYS));
    dates.add(date.plus(1, ChronoUnit.WEEKS));
    dates.add(date.plus(1, ChronoUnit.MONTHS));
    dates.add(date.plus(1, ChronoUnit.YEARS));
    // Check these dates against the corresponding dates for every calendar
    for (Chronology[] clist : data_of_calendars()) {
        List<ChronoLocalDateTime<?>> otherDates = new ArrayList<>();
        Chronology chrono2 = clist[0];
        for (ChronoLocalDateTime<?> d : dates) {
            otherDates.add(chrono2.date(d).atTime(d.toLocalTime()));
        }
        // Now compare  the sequence of original dates with the sequence of converted dates
        for (int i = 0; i < dates.size(); i++) {
            ChronoLocalDateTime<?> a = dates.get(i);
            for (int j = 0; j < otherDates.size(); j++) {
                ChronoLocalDateTime<?> b = otherDates.get(j);
                int cmp = ChronoLocalDateTime.timeLineOrder().compare(a, b);
                if (i < j) {
                    assertTrue(cmp < 0, a + " compare " + b);
                    assertEquals(a.isBefore(b), true, a + " isBefore " + b);
                    assertEquals(a.isAfter(b), false, a + " isAfter " + b);
                    assertEquals(a.isEqual(b), false, a + " isEqual " + b);
                } else if (i > j) {
                    assertTrue(cmp > 0, a + " compare " + b);
                    assertEquals(a.isBefore(b), false, a + " isBefore " + b);
                    assertEquals(a.isAfter(b), true, a + " isAfter " + b);
                    assertEquals(a.isEqual(b), false, a + " isEqual " + b);
                } else {
                    assertTrue(cmp == 0, a + " compare " + b);
                    assertEquals(a.isBefore(b), false, a + " isBefore " + b);
                    assertEquals(a.isAfter(b), false, a + " isAfter " + b);
                    assertEquals(a.isEqual(b), true, a + " isEqual " + b);
                }
            }
        }
    }
}