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/*
* @test
* @bug 4359204 4928615 4743587 4956232 6459836 6549953
* @library /java/text/testlib
* @build Koyomi
* @run main GregorianCutoverTest
* @summary Unit tests related to the Gregorian cutover support.
*/
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import static java.util.GregorianCalendar.*;
public class GregorianCutoverTest extends IntlTest {
public static void main(String[] args) throws Exception {
TimeZone tz = TimeZone.getDefault();
Locale lc = Locale.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
Locale.setDefault(Locale.US);
new GregorianCutoverTest().run(args);
} finally {
TimeZone.setDefault(tz);
Locale.setDefault(lc);
}
}
/**
* 4359204: GregorianCalendar.get(cal.DAY_OF_YEAR) is inconsistent for year 1582
*/
public void Test4359204() {
Koyomi cal = new Koyomi();
cal.set(1582, JANUARY, 1);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
cal.set(1582, OCTOBER, 1);
checkContinuity(cal, WEEK_OF_MONTH);
// JCK tests the cutover date 1970-1-1 (Epoch)
cal.setGregorianChange(new Date(0));
cal.set(1969, JANUARY, 1);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
cal.set(1969, DECEMBER, 1);
checkContinuity(cal, WEEK_OF_MONTH);
cal.set(1970, JANUARY, 1);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
// Use large date (year >= 50000)
@SuppressWarnings("deprecation")
Date d = new Date(50000 - 1900, JANUARY, 20);
cal.setGregorianChange(d);
cal.set(49998, JANUARY, 1);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
cal.set(49999, JANUARY, 1);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
cal.set(50000, JANUARY, 20);
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
// Handling of "overlapping" dates may still be incorrect as
// of 1.5. Also, there's no way to disambiguate "overlapping"
// dates.
// millis=-112033929600000: date=-1581-10-15T00:00:00.000Z
cal.setGregorianChange(new Date(-112033929600000L));
cal.set(ERA, AD);
cal.set(-1581, JANUARY, 1);
// The year should have 379 days.
checkContinuity(cal, DAY_OF_YEAR);
checkContinuity(cal, WEEK_OF_YEAR);
logln("Default cutover");
cal = new Koyomi();
cal.set(1582, OCTOBER, 1);
logln(" roll --DAY_OF_MONTH from 1582/10/01");
cal.roll(DAY_OF_MONTH, -1);
if (!cal.checkDate(1582, OCTOBER, 31)) {
errln(cal.getMessage());
}
logln(" roll DAY_OF_MONTH+10 from 1582/10/31");
cal.roll(DAY_OF_MONTH, +10);
if (!cal.checkDate(1582, OCTOBER, 20)) {
errln(cal.getMessage());
}
logln(" roll DAY_OF_MONTH-10 from 1582/10/20");
cal.roll(DAY_OF_MONTH, -10);
if (!cal.checkDate(1582, OCTOBER, 31)) {
errln(cal.getMessage());
}
logln(" roll back one day further");
cal.roll(DAY_OF_MONTH, +1);
if (!cal.checkDate(1582, OCTOBER, 1)) {
errln(cal.getMessage());
}
// should handle the gap between 1969/12/22 (Julian) to 1970/1/5 (Gregorian)
logln("Cutover date is 1970/1/5");
@SuppressWarnings("deprecation")
Date d1 = new Date(1970 - 1900, JANUARY, 5);
cal.setGregorianChange(d1);
cal.set(ERA, AD);
cal.set(YEAR, 1970);
logln(" Set DAY_OF_YEAR to the 28th day of 1970");
cal.set(DAY_OF_YEAR, 28);
if (!cal.checkDate(1970, FEBRUARY, 1)) {
errln(cal.getMessage());
}
if (!cal.checkFieldValue(WEEK_OF_YEAR, 5)) {
errln(cal.getMessage());
}
logln(" 1969/12/22 should be the 356th day of the year.");
cal.set(1969, DECEMBER, 22);
if (!cal.checkFieldValue(DAY_OF_YEAR, 356)) {
errln(cal.getMessage());
}
logln(" Set DAY_OF_YEAR to autual maximum.");
int actualMaxDayOfYear = cal.getActualMaximum(DAY_OF_YEAR);
if (actualMaxDayOfYear != 356) {
errln("actual maximum of DAY_OF_YEAR: got " + actualMaxDayOfYear + ", expected 356");
}
cal.set(DAY_OF_YEAR, actualMaxDayOfYear);
if (!cal.checkDate(1969, DECEMBER, 22)) {
errln(cal.getMessage());
}
cal.set(1969, DECEMBER, 22);
cal.roll(DAY_OF_YEAR, +1);
logln(" Set to 1969/12/22 and roll DAY_OF_YEAR++");
if (!cal.checkDate(1969, JANUARY, 1)) {
errln(cal.getMessage());
}
logln(" 1970/1/5 should be the first day of the year.");
cal.set(1970, JANUARY, 5);
if (!cal.checkFieldValue(DAY_OF_YEAR, 1)) {
errln(cal.getMessage());
}
logln(" roll --DAY_OF_MONTH from 1970/1/5");
cal.roll(DAY_OF_MONTH, -1);
if (!cal.checkDate(1970, JANUARY, 31)) {
errln(cal.getMessage());
}
logln(" roll back one day of month");
cal.roll(DAY_OF_MONTH, +1);
if (!cal.checkDate(1970, JANUARY, 5)) {
errln(cal.getMessage());
}
// Test "missing" dates in non-lenient.
cal = new Koyomi(); // new instance for the default cutover
cal.setLenient(false);
try {
// the next day of 1582/10/4 (Julian) is 1582/10/15 (Gregorian)
logln("1582/10/10 doesn't exit with the default cutover.");
cal.set(1582, OCTOBER, 10);
cal.getTime();
errln(" Didn't throw IllegalArgumentException in non-lenient.");
} catch (IllegalArgumentException e) {
}
}
private void checkContinuity(Koyomi cal, int field) {
cal.getTime();
logln(Koyomi.getFieldName(field) + " starting on " + cal.toDateString());
int max = cal.getActualMaximum(field);
for (int i = 1; i <= max; i++) {
logln(i + " " + cal.toDateString());
if (!cal.checkFieldValue(field, i)) {
errln(" " + cal.toDateString() + ":\t" + cal.getMessage());
}
cal.add(field, +1);
}
}
/**
* 4928615: GregorianCalendar returns wrong dates after setGregorianChange
*/
public void Test4928615() {
Koyomi cal = new Koyomi();
logln("Today is 2003/10/1 Gregorian.");
@SuppressWarnings("deprecation")
Date x = new Date(2003 - 1900, 10 - 1, 1);
cal.setTime(x);
logln(" Changing the cutover date to yesterday...");
cal.setGregorianChange(new Date(x.getTime() - (24 * 3600 * 1000)));
if (!cal.checkDate(2003, OCTOBER, 1)) {
errln(" " + cal.getMessage());
}
logln(" Changing the cutover date to tomorrow...");
cal.setGregorianChange(new Date(x.getTime() + (24 * 3600 * 1000)));
if (!cal.checkDate(2003, SEPTEMBER, 18)) {
errln(" " + cal.getMessage());
}
}
/**
* 4743587: GregorianCalendar.getLeastMaximum() returns wrong values
*/
public void Test4743587() {
Koyomi cal = new Koyomi();
Koyomi cal2 = (Koyomi) cal.clone();
logln("getLeastMaximum should handle cutover year.\n"
+ " default cutover date");
if (!cal.checkLeastMaximum(DAY_OF_YEAR, 365 - 10)) {
errln(" " + cal.getMessage());
}
if (!cal.checkLeastMaximum(WEEK_OF_YEAR, 52 - ((10 + 6) / 7))) {
errln(" " + cal.getMessage());
}
// Corrected for 4956232
if (!cal.checkLeastMaximum(DAY_OF_MONTH, 28)) {
errln(" " + cal.getMessage());
}
if (!cal.checkLeastMaximum(WEEK_OF_MONTH, 3)) {
errln(" " + cal.getMessage());
}
if (!cal.checkLeastMaximum(DAY_OF_WEEK_IN_MONTH, 3)) {
errln(" " + cal.getMessage());
}
// make sure that getLeastMaximum calls didn't affect the date
if (!cal.equals(cal2)) {
errln(" getLeastMaximum calls modified the object.");
}
if (!cal.checkGreatestMinimum(DAY_OF_MONTH, 1)) {
errln(" " + cal.getMessage());
}
logln(" changing the date to 1582/10/20 for actual min/max tests");
cal.set(1582, OCTOBER, 20);
if (!cal.checkActualMinimum(DAY_OF_MONTH, 1)) {
errln(" " + cal.getMessage());
}
if (!cal.checkActualMaximum(DAY_OF_MONTH, 31)) {
errln(" " + cal.getMessage());
}
cal = new Koyomi();
logln("Change the cutover date to 1970/1/5.");
@SuppressWarnings("deprecation")
Date d = new Date(1970 - 1900, 0, 5);
cal.setGregorianChange(d);
if (!cal.checkLeastMaximum(DAY_OF_YEAR, 356)) {
errln(" " + cal.getMessage());
}
if (!cal.checkLeastMaximum(DAY_OF_MONTH, 22)) {
errln(" " + cal.getMessage());
}
if (!cal.checkGreatestMinimum(DAY_OF_MONTH, 5)) {
errln(" " + cal.getMessage());
}
cal.set(1970, JANUARY, 10);
if (!cal.checkActualMinimum(DAY_OF_MONTH, 5)) {
errln(" " + cal.getMessage());
}
if (!cal.checkActualMaximum(DAY_OF_MONTH, 31)) {
errln(" " + cal.getMessage());
}
}
/**
* 6459836: (cal) GregorianCalendar set method provides wrong result
*/
public void Test6459836() {
int hour = 13865672;
Koyomi gc1 = new Koyomi();
gc1.clear();
gc1.set(1, JANUARY, 1, 0, 0, 0);
gc1.set(HOUR_OF_DAY, hour);
if (!gc1.checkDate(1582, OCTOBER, 4)) {
errln("test case 1: " + gc1.getMessage());
}
gc1.clear();
gc1.set(1, JANUARY, 1, 0, 0, 0);
gc1.set(HOUR_OF_DAY, hour + 24);
if (!gc1.checkDate(1582, OCTOBER, 15)) {
errln("test case 2: " + gc1.getMessage());
}
}
/**
* 6549953 (cal) WEEK_OF_YEAR and DAY_OF_YEAR calculation problems around Gregorian cutover
*/
public void Test6549953() {
Koyomi cal = new Koyomi();
cal.set(YEAR, 1582);
cal.set(WEEK_OF_YEAR, 42);
cal.set(DAY_OF_WEEK, FRIDAY);
cal.checkFieldValue(WEEK_OF_YEAR, 42);
cal.checkFieldValue(DAY_OF_WEEK, FRIDAY);
if (!cal.checkDate(1582, OCTOBER, 29)) {
errln(cal.getMessage());
}
cal.clear();
cal.set(1582, OCTOBER, 1);
cal.set(DAY_OF_YEAR, 292);
if (!cal.checkDate(1582, OCTOBER, 29)) {
errln(cal.getMessage());
}
}
}