/*
* Copyright 2001-2005 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.time.chrono;
import java.util.Locale;
import java.util.TimeZone;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.joda.time.DateMidnight;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.DurationField;
import org.joda.time.DurationFieldType;
import org.joda.time.IllegalFieldValueException;
import org.joda.time.Partial;
import org.joda.time.TimeOfDay;
import org.joda.time.YearMonthDay;
/**
* This class is a Junit unit test for ISOChronology.
*
* @author Stephen Colebourne
*/
public class TestISOChronology extends TestCase {
private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
private static final DateTimeZone TOKYO = DateTimeZone.forID("Asia/Tokyo");
long y2002days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 +
365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
366 + 365;
// 2002-06-09
private long TEST_TIME_NOW =
(y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;
private DateTimeZone originalDateTimeZone = null;
private TimeZone originalTimeZone = null;
private Locale originalLocale = null;
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
public static TestSuite suite() {
return new TestSuite(TestISOChronology.class);
}
public TestISOChronology(String name) {
super(name);
}
protected void setUp() throws Exception {
DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
originalDateTimeZone = DateTimeZone.getDefault();
originalTimeZone = TimeZone.getDefault();
originalLocale = Locale.getDefault();
DateTimeZone.setDefault(LONDON);
TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
Locale.setDefault(Locale.UK);
}
protected void tearDown() throws Exception {
DateTimeUtils.setCurrentMillisSystem();
DateTimeZone.setDefault(originalDateTimeZone);
TimeZone.setDefault(originalTimeZone);
Locale.setDefault(originalLocale);
originalDateTimeZone = null;
originalTimeZone = null;
originalLocale = null;
}
//-----------------------------------------------------------------------
public void testFactoryUTC() {
assertEquals(DateTimeZone.UTC, ISOChronology.getInstanceUTC().getZone());
assertSame(ISOChronology.class, ISOChronology.getInstanceUTC().getClass());
}
public void testFactory() {
assertEquals(LONDON, ISOChronology.getInstance().getZone());
assertSame(ISOChronology.class, ISOChronology.getInstance().getClass());
}
public void testFactory_Zone() {
assertEquals(TOKYO, ISOChronology.getInstance(TOKYO).getZone());
assertEquals(PARIS, ISOChronology.getInstance(PARIS).getZone());
assertEquals(LONDON, ISOChronology.getInstance(null).getZone());
assertSame(ISOChronology.class, ISOChronology.getInstance(TOKYO).getClass());
}
//-----------------------------------------------------------------------
public void testEquality() {
assertSame(ISOChronology.getInstance(TOKYO), ISOChronology.getInstance(TOKYO));
assertSame(ISOChronology.getInstance(LONDON), ISOChronology.getInstance(LONDON));
assertSame(ISOChronology.getInstance(PARIS), ISOChronology.getInstance(PARIS));
assertSame(ISOChronology.getInstanceUTC(), ISOChronology.getInstanceUTC());
assertSame(ISOChronology.getInstance(), ISOChronology.getInstance(LONDON));
}
public void testWithUTC() {
assertSame(ISOChronology.getInstanceUTC(), ISOChronology.getInstance(LONDON).withUTC());
assertSame(ISOChronology.getInstanceUTC(), ISOChronology.getInstance(TOKYO).withUTC());
assertSame(ISOChronology.getInstanceUTC(), ISOChronology.getInstanceUTC().withUTC());
assertSame(ISOChronology.getInstanceUTC(), ISOChronology.getInstance().withUTC());
}
public void testWithZone() {
assertSame(ISOChronology.getInstance(TOKYO), ISOChronology.getInstance(TOKYO).withZone(TOKYO));
assertSame(ISOChronology.getInstance(LONDON), ISOChronology.getInstance(TOKYO).withZone(LONDON));
assertSame(ISOChronology.getInstance(PARIS), ISOChronology.getInstance(TOKYO).withZone(PARIS));
assertSame(ISOChronology.getInstance(LONDON), ISOChronology.getInstance(TOKYO).withZone(null));
assertSame(ISOChronology.getInstance(PARIS), ISOChronology.getInstance().withZone(PARIS));
assertSame(ISOChronology.getInstance(PARIS), ISOChronology.getInstanceUTC().withZone(PARIS));
}
public void testToString() {
assertEquals("ISOChronology[Europe/London]", ISOChronology.getInstance(LONDON).toString());
assertEquals("ISOChronology[Asia/Tokyo]", ISOChronology.getInstance(TOKYO).toString());
assertEquals("ISOChronology[Europe/London]", ISOChronology.getInstance().toString());
assertEquals("ISOChronology[UTC]", ISOChronology.getInstanceUTC().toString());
}
//-----------------------------------------------------------------------
public void testDurationFields() {
assertEquals("eras", ISOChronology.getInstance().eras().getName());
assertEquals("centuries", ISOChronology.getInstance().centuries().getName());
assertEquals("years", ISOChronology.getInstance().years().getName());
assertEquals("weekyears", ISOChronology.getInstance().weekyears().getName());
assertEquals("months", ISOChronology.getInstance().months().getName());
assertEquals("weeks", ISOChronology.getInstance().weeks().getName());
assertEquals("days", ISOChronology.getInstance().days().getName());
assertEquals("halfdays", ISOChronology.getInstance().halfdays().getName());
assertEquals("hours", ISOChronology.getInstance().hours().getName());
assertEquals("minutes", ISOChronology.getInstance().minutes().getName());
assertEquals("seconds", ISOChronology.getInstance().seconds().getName());
assertEquals("millis", ISOChronology.getInstance().millis().getName());
assertEquals(false, ISOChronology.getInstance().eras().isSupported());
assertEquals(true, ISOChronology.getInstance().centuries().isSupported());
assertEquals(true, ISOChronology.getInstance().years().isSupported());
assertEquals(true, ISOChronology.getInstance().weekyears().isSupported());
assertEquals(true, ISOChronology.getInstance().months().isSupported());
assertEquals(true, ISOChronology.getInstance().weeks().isSupported());
assertEquals(true, ISOChronology.getInstance().days().isSupported());
assertEquals(true, ISOChronology.getInstance().halfdays().isSupported());
assertEquals(true, ISOChronology.getInstance().hours().isSupported());
assertEquals(true, ISOChronology.getInstance().minutes().isSupported());
assertEquals(true, ISOChronology.getInstance().seconds().isSupported());
assertEquals(true, ISOChronology.getInstance().millis().isSupported());
assertEquals(false, ISOChronology.getInstance().centuries().isPrecise());
assertEquals(false, ISOChronology.getInstance().years().isPrecise());
assertEquals(false, ISOChronology.getInstance().weekyears().isPrecise());
assertEquals(false, ISOChronology.getInstance().months().isPrecise());
assertEquals(false, ISOChronology.getInstance().weeks().isPrecise());
assertEquals(false, ISOChronology.getInstance().days().isPrecise());
assertEquals(false, ISOChronology.getInstance().halfdays().isPrecise());
assertEquals(true, ISOChronology.getInstance().hours().isPrecise());
assertEquals(true, ISOChronology.getInstance().minutes().isPrecise());
assertEquals(true, ISOChronology.getInstance().seconds().isPrecise());
assertEquals(true, ISOChronology.getInstance().millis().isPrecise());
assertEquals(false, ISOChronology.getInstanceUTC().centuries().isPrecise());
assertEquals(false, ISOChronology.getInstanceUTC().years().isPrecise());
assertEquals(false, ISOChronology.getInstanceUTC().weekyears().isPrecise());
assertEquals(false, ISOChronology.getInstanceUTC().months().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().weeks().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().days().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().halfdays().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().hours().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().minutes().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().seconds().isPrecise());
assertEquals(true, ISOChronology.getInstanceUTC().millis().isPrecise());
DateTimeZone gmt = DateTimeZone.forID("Etc/GMT");
assertEquals(false, ISOChronology.getInstance(gmt).centuries().isPrecise());
assertEquals(false, ISOChronology.getInstance(gmt).years().isPrecise());
assertEquals(false, ISOChronology.getInstance(gmt).weekyears().isPrecise());
assertEquals(false, ISOChronology.getInstance(gmt).months().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).weeks().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).days().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).halfdays().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).hours().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).minutes().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).seconds().isPrecise());
assertEquals(true, ISOChronology.getInstance(gmt).millis().isPrecise());
DateTimeZone offset = DateTimeZone.forOffsetHours(1);
assertEquals(false, ISOChronology.getInstance(offset).centuries().isPrecise());
assertEquals(false, ISOChronology.getInstance(offset).years().isPrecise());
assertEquals(false, ISOChronology.getInstance(offset).weekyears().isPrecise());
assertEquals(false, ISOChronology.getInstance(offset).months().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).weeks().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).days().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).halfdays().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).hours().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).minutes().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).seconds().isPrecise());
assertEquals(true, ISOChronology.getInstance(offset).millis().isPrecise());
}
public void testDateFields() {
assertEquals("era", ISOChronology.getInstance().era().getName());
assertEquals("centuryOfEra", ISOChronology.getInstance().centuryOfEra().getName());
assertEquals("yearOfCentury", ISOChronology.getInstance().yearOfCentury().getName());
assertEquals("yearOfEra", ISOChronology.getInstance().yearOfEra().getName());
assertEquals("year", ISOChronology.getInstance().year().getName());
assertEquals("monthOfYear", ISOChronology.getInstance().monthOfYear().getName());
assertEquals("weekyearOfCentury", ISOChronology.getInstance().weekyearOfCentury().getName());
assertEquals("weekyear", ISOChronology.getInstance().weekyear().getName());
assertEquals("weekOfWeekyear", ISOChronology.getInstance().weekOfWeekyear().getName());
assertEquals("dayOfYear", ISOChronology.getInstance().dayOfYear().getName());
assertEquals("dayOfMonth", ISOChronology.getInstance().dayOfMonth().getName());
assertEquals("dayOfWeek", ISOChronology.getInstance().dayOfWeek().getName());
assertEquals(true, ISOChronology.getInstance().era().isSupported());
assertEquals(true, ISOChronology.getInstance().centuryOfEra().isSupported());
assertEquals(true, ISOChronology.getInstance().yearOfCentury().isSupported());
assertEquals(true, ISOChronology.getInstance().yearOfEra().isSupported());
assertEquals(true, ISOChronology.getInstance().year().isSupported());
assertEquals(true, ISOChronology.getInstance().monthOfYear().isSupported());
assertEquals(true, ISOChronology.getInstance().weekyearOfCentury().isSupported());
assertEquals(true, ISOChronology.getInstance().weekyear().isSupported());
assertEquals(true, ISOChronology.getInstance().weekOfWeekyear().isSupported());
assertEquals(true, ISOChronology.getInstance().dayOfYear().isSupported());
assertEquals(true, ISOChronology.getInstance().dayOfMonth().isSupported());
assertEquals(true, ISOChronology.getInstance().dayOfWeek().isSupported());
}
public void testTimeFields() {
assertEquals("halfdayOfDay", ISOChronology.getInstance().halfdayOfDay().getName());
assertEquals("clockhourOfHalfday", ISOChronology.getInstance().clockhourOfHalfday().getName());
assertEquals("hourOfHalfday", ISOChronology.getInstance().hourOfHalfday().getName());
assertEquals("clockhourOfDay", ISOChronology.getInstance().clockhourOfDay().getName());
assertEquals("hourOfDay", ISOChronology.getInstance().hourOfDay().getName());
assertEquals("minuteOfDay", ISOChronology.getInstance().minuteOfDay().getName());
assertEquals("minuteOfHour", ISOChronology.getInstance().minuteOfHour().getName());
assertEquals("secondOfDay", ISOChronology.getInstance().secondOfDay().getName());
assertEquals("secondOfMinute", ISOChronology.getInstance().secondOfMinute().getName());
assertEquals("millisOfDay", ISOChronology.getInstance().millisOfDay().getName());
assertEquals("millisOfSecond", ISOChronology.getInstance().millisOfSecond().getName());
assertEquals(true, ISOChronology.getInstance().halfdayOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().clockhourOfHalfday().isSupported());
assertEquals(true, ISOChronology.getInstance().hourOfHalfday().isSupported());
assertEquals(true, ISOChronology.getInstance().clockhourOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().hourOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().minuteOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().minuteOfHour().isSupported());
assertEquals(true, ISOChronology.getInstance().secondOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().secondOfMinute().isSupported());
assertEquals(true, ISOChronology.getInstance().millisOfDay().isSupported());
assertEquals(true, ISOChronology.getInstance().millisOfSecond().isSupported());
}
public void testMaxYear() {
final ISOChronology chrono = ISOChronology.getInstanceUTC();
final int maxYear = chrono.year().getMaximumValue();
DateTime start = new DateTime(maxYear, 1, 1, 0, 0, 0, 0, chrono);
DateTime end = new DateTime(maxYear, 12, 31, 23, 59, 59, 999, chrono);
assertTrue(start.getMillis() > 0);
assertTrue(end.getMillis() > start.getMillis());
assertEquals(maxYear, start.getYear());
assertEquals(maxYear, end.getYear());
long delta = end.getMillis() - start.getMillis();
long expectedDelta =
(start.year().isLeap() ? 366L : 365L) * DateTimeConstants.MILLIS_PER_DAY - 1;
assertEquals(expectedDelta, delta);
assertEquals(start, new DateTime(maxYear + "-01-01T00:00:00.000Z", chrono));
assertEquals(end, new DateTime(maxYear + "-12-31T23:59:59.999Z", chrono));
try {
start.plusYears(1);
fail();
} catch (IllegalFieldValueException e) {
}
try {
end.plusYears(1);
fail();
} catch (IllegalFieldValueException e) {
}
assertEquals(maxYear + 1, chrono.year().get(Long.MAX_VALUE));
}
public void testMinYear() {
final ISOChronology chrono = ISOChronology.getInstanceUTC();
final int minYear = chrono.year().getMinimumValue();
DateTime start = new DateTime(minYear, 1, 1, 0, 0, 0, 0, chrono);
DateTime end = new DateTime(minYear, 12, 31, 23, 59, 59, 999, chrono);
assertTrue(start.getMillis() < 0);
assertTrue(end.getMillis() > start.getMillis());
assertEquals(minYear, start.getYear());
assertEquals(minYear, end.getYear());
long delta = end.getMillis() - start.getMillis();
long expectedDelta =
(start.year().isLeap() ? 366L : 365L) * DateTimeConstants.MILLIS_PER_DAY - 1;
assertEquals(expectedDelta, delta);
assertEquals(start, new DateTime(minYear + "-01-01T00:00:00.000Z", chrono));
assertEquals(end, new DateTime(minYear + "-12-31T23:59:59.999Z", chrono));
try {
start.minusYears(1);
fail();
} catch (IllegalFieldValueException e) {
}
try {
end.minusYears(1);
fail();
} catch (IllegalFieldValueException e) {
}
assertEquals(minYear - 1, chrono.year().get(Long.MIN_VALUE));
}
public void testCutoverAddYears() {
testAdd("1582-01-01", DurationFieldType.years(), 1, "1583-01-01");
testAdd("1582-02-15", DurationFieldType.years(), 1, "1583-02-15");
testAdd("1582-02-28", DurationFieldType.years(), 1, "1583-02-28");
testAdd("1582-03-01", DurationFieldType.years(), 1, "1583-03-01");
testAdd("1582-09-30", DurationFieldType.years(), 1, "1583-09-30");
testAdd("1582-10-01", DurationFieldType.years(), 1, "1583-10-01");
testAdd("1582-10-04", DurationFieldType.years(), 1, "1583-10-04");
testAdd("1582-10-15", DurationFieldType.years(), 1, "1583-10-15");
testAdd("1582-10-16", DurationFieldType.years(), 1, "1583-10-16");
testAdd("1580-01-01", DurationFieldType.years(), 4, "1584-01-01");
testAdd("1580-02-29", DurationFieldType.years(), 4, "1584-02-29");
testAdd("1580-10-01", DurationFieldType.years(), 4, "1584-10-01");
testAdd("1580-10-10", DurationFieldType.years(), 4, "1584-10-10");
testAdd("1580-10-15", DurationFieldType.years(), 4, "1584-10-15");
testAdd("1580-12-31", DurationFieldType.years(), 4, "1584-12-31");
}
public void testAddMonths() {
testAdd("1582-01-01", DurationFieldType.months(), 1, "1582-02-01");
testAdd("1582-01-01", DurationFieldType.months(), 6, "1582-07-01");
testAdd("1582-01-01", DurationFieldType.months(), 12, "1583-01-01");
testAdd("1582-11-15", DurationFieldType.months(), 1, "1582-12-15");
testAdd("1582-09-04", DurationFieldType.months(), 2, "1582-11-04");
testAdd("1582-09-05", DurationFieldType.months(), 2, "1582-11-05");
testAdd("1582-09-10", DurationFieldType.months(), 2, "1582-11-10");
testAdd("1582-09-15", DurationFieldType.months(), 2, "1582-11-15");
testAdd("1580-01-01", DurationFieldType.months(), 48, "1584-01-01");
testAdd("1580-02-29", DurationFieldType.months(), 48, "1584-02-29");
testAdd("1580-10-01", DurationFieldType.months(), 48, "1584-10-01");
testAdd("1580-10-10", DurationFieldType.months(), 48, "1584-10-10");
testAdd("1580-10-15", DurationFieldType.months(), 48, "1584-10-15");
testAdd("1580-12-31", DurationFieldType.months(), 48, "1584-12-31");
}
private void testAdd(String start, DurationFieldType type, int amt, String 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()) {
YearMonthDay ymdStart = new YearMonthDay(start, ISOChronology.getInstanceUTC());
YearMonthDay ymdEnd = new YearMonthDay(end, ISOChronology.getInstanceUTC());
assertEquals(ymdEnd, ymdStart.withFieldAdded(type, amt));
assertEquals(ymdStart, ymdEnd.withFieldAdded(type, -amt));
}
}
public void testTimeOfDayAdd() {
TimeOfDay start = new TimeOfDay(12, 30);
TimeOfDay end = new TimeOfDay(10, 30);
assertEquals(end, start.plusHours(22));
assertEquals(start, end.minusHours(22));
assertEquals(end, start.plusMinutes(22 * 60));
assertEquals(start, end.minusMinutes(22 * 60));
}
public void testPartialDayOfYearAdd() {
Partial start = new Partial().with(DateTimeFieldType.year(), 2000).with(DateTimeFieldType.dayOfYear(), 366);
Partial end = new Partial().with(DateTimeFieldType.year(), 2004).with(DateTimeFieldType.dayOfYear(), 366);
assertEquals(end, start.withFieldAdded(DurationFieldType.days(), 365 + 365 + 365 + 366));
assertEquals(start, end.withFieldAdded(DurationFieldType.days(), -(365 + 365 + 365 + 366)));
}
public void testMaximumValue() {
DateMidnight dt = new DateMidnight(1570, 1, 1);
while (dt.getYear() < 1590) {
dt = dt.plusDays(1);
YearMonthDay ymd = dt.toYearMonthDay();
assertEquals(dt.year().getMaximumValue(), ymd.year().getMaximumValue());
assertEquals(dt.monthOfYear().getMaximumValue(), ymd.monthOfYear().getMaximumValue());
assertEquals(dt.dayOfMonth().getMaximumValue(), ymd.dayOfMonth().getMaximumValue());
}
}
}