// -----------------------------------------------------------------------
public void testWithFieldAdded1() {
DateTime test = new DateTime(2004, 6, 9, 0, 0, 0, 0);
DateTime result = test.withFieldAdded(DurationFieldType.years(), 6);
assertEquals(new DateTime(2004, 6, 9, 0, 0, 0, 0), test);
assertEquals(new DateTime(2010, 6, 9, 0, 0, 0, 0), result);
}
/** Private method called from constructor. */
private void setPeriodInternal(
int years, int months, int weeks, int days, int hours, int minutes, int seconds, int millis) {
int[] newValues = new int[size()];
checkAndUpdate(DurationFieldType.years(), newValues, years);
checkAndUpdate(DurationFieldType.months(), newValues, months);
checkAndUpdate(DurationFieldType.weeks(), newValues, weeks);
checkAndUpdate(DurationFieldType.days(), newValues, days);
checkAndUpdate(DurationFieldType.hours(), newValues, hours);
checkAndUpdate(DurationFieldType.minutes(), newValues, minutes);
checkAndUpdate(DurationFieldType.seconds(), newValues, seconds);
checkAndUpdate(DurationFieldType.millis(), newValues, millis);
iValues = newValues;
}
private void testAdd(Date start, DurationFieldType type, int amt, Date end) {
DateTime dtStart = new DateTime(start, ISOChronology.getInstanceUTC());
DateTime dtEnd = new DateTime(end, ISOChronology.getInstanceUTC());
assertEquals(dtEnd, dtStart.withFieldAdded(type, amt));
assertEquals(dtStart, dtEnd.withFieldAdded(type, -amt));
DurationField field = type.getField(ISOChronology.getInstanceUTC());
int diff = field.getDifference(dtEnd.getMillis(), dtStart.getMillis());
assertEquals(amt, diff);
if (type == DurationFieldType.years()
|| type == DurationFieldType.months()
|| type == DurationFieldType.days()) {
LocalDate ymdStart = new LocalDate(start, ISOChronology.getInstanceUTC());
LocalDate ymdEnd = new LocalDate(end, ISOChronology.getInstanceUTC());
assertEquals(ymdEnd, ymdStart.withFieldAdded(type, amt));
assertEquals(ymdStart, ymdEnd.withFieldAdded(type, -amt));
}
}
public void testWithFieldAdded4() {
DateTime test = new DateTime(2004, 6, 9, 0, 0, 0, 0);
DateTime result = test.withFieldAdded(DurationFieldType.years(), 0);
assertSame(test, result);
}
public void testCutoverAddYears() {
DateTimeFormat format = DateTimeFormat.getFormat("YYYY-MM-DD");
Date startDate = format.parse("1582-01-01");
Date endDate = format.parse("1583-01-01");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-02-15");
endDate = format.parse("1583-02-28");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-02-28");
endDate = format.parse("1583-02-28");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-03-01");
endDate = format.parse("1583-03-01");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-09-30");
endDate = format.parse("1583-09-30");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-10-01");
endDate = format.parse("1583-10-01");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-10-04");
endDate = format.parse("1583-10-04");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-10-15");
endDate = format.parse("1583-10-15");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1582-10-16");
endDate = format.parse("1583-10-16");
testAdd(startDate, DurationFieldType.years(), 1, endDate);
startDate = format.parse("1580-01-01");
endDate = format.parse("1584-01-01");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
startDate = format.parse("1580-02-29");
endDate = format.parse("1584-02-29");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
startDate = format.parse("1580-10-01");
endDate = format.parse("1584-10-01");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
startDate = format.parse("1580-10-10");
endDate = format.parse("1584-10-10");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
startDate = format.parse("1580-10-15");
endDate = format.parse("1584-10-15");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
startDate = format.parse("1580-12-31");
endDate = format.parse("1584-12-31");
testAdd(startDate, DurationFieldType.years(), 4, endDate);
}