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Java example source code file (TestBuddhistChronology.java)

This example Java source code file (TestBuddhistChronology.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

buddhist_utc, buddhistchronology, datetime, datetimefield, datetimezone, europe/london, exception, gj_utc, illegalargumentexception, iso_utc, julian_utc, locale, skip, testbuddhistchronology, util

The TestBuddhistChronology.java Java example source code

/*
 *  Copyright 2001-2013 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.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.DateTimeField;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.Period;

/**
 * This class is a Junit unit test for BuddhistChronology.
 *
 * @author Stephen Colebourne
 */
public class TestBuddhistChronology extends TestCase {

    private static int SKIP = 1 * DateTimeConstants.MILLIS_PER_DAY;
    
    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");
    private static final Chronology BUDDHIST_UTC = BuddhistChronology.getInstanceUTC();
    private static final Chronology JULIAN_UTC = JulianChronology.getInstanceUTC();
    private static final Chronology GJ_UTC = GJChronology.getInstanceUTC();
    private static final Chronology ISO_UTC = ISOChronology.getInstanceUTC();

    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) {
        SKIP = 1 * DateTimeConstants.MILLIS_PER_DAY;
        junit.textui.TestRunner.run(suite());
    }

    public static TestSuite suite() {
        return new TestSuite(TestBuddhistChronology.class);
    }

    public TestBuddhistChronology(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, BuddhistChronology.getInstanceUTC().getZone());
        assertSame(BuddhistChronology.class, BuddhistChronology.getInstanceUTC().getClass());
    }

    public void testFactory() {
        assertEquals(LONDON, BuddhistChronology.getInstance().getZone());
        assertSame(BuddhistChronology.class, BuddhistChronology.getInstance().getClass());
    }

    public void testFactory_Zone() {
        assertEquals(TOKYO, BuddhistChronology.getInstance(TOKYO).getZone());
        assertEquals(PARIS, BuddhistChronology.getInstance(PARIS).getZone());
        assertEquals(LONDON, BuddhistChronology.getInstance(null).getZone());
        assertSame(BuddhistChronology.class, BuddhistChronology.getInstance(TOKYO).getClass());
    }

    //-----------------------------------------------------------------------
    public void testEquality() {
        assertSame(BuddhistChronology.getInstance(TOKYO), BuddhistChronology.getInstance(TOKYO));
        assertSame(BuddhistChronology.getInstance(LONDON), BuddhistChronology.getInstance(LONDON));
        assertSame(BuddhistChronology.getInstance(PARIS), BuddhistChronology.getInstance(PARIS));
        assertSame(BuddhistChronology.getInstanceUTC(), BuddhistChronology.getInstanceUTC());
        assertSame(BuddhistChronology.getInstance(), BuddhistChronology.getInstance(LONDON));
    }

    public void testWithUTC() {
        assertSame(BuddhistChronology.getInstanceUTC(), BuddhistChronology.getInstance(LONDON).withUTC());
        assertSame(BuddhistChronology.getInstanceUTC(), BuddhistChronology.getInstance(TOKYO).withUTC());
        assertSame(BuddhistChronology.getInstanceUTC(), BuddhistChronology.getInstanceUTC().withUTC());
        assertSame(BuddhistChronology.getInstanceUTC(), BuddhistChronology.getInstance().withUTC());
    }

    public void testWithZone() {
        assertSame(BuddhistChronology.getInstance(TOKYO), BuddhistChronology.getInstance(TOKYO).withZone(TOKYO));
        assertSame(BuddhistChronology.getInstance(LONDON), BuddhistChronology.getInstance(TOKYO).withZone(LONDON));
        assertSame(BuddhistChronology.getInstance(PARIS), BuddhistChronology.getInstance(TOKYO).withZone(PARIS));
        assertSame(BuddhistChronology.getInstance(LONDON), BuddhistChronology.getInstance(TOKYO).withZone(null));
        assertSame(BuddhistChronology.getInstance(PARIS), BuddhistChronology.getInstance().withZone(PARIS));
        assertSame(BuddhistChronology.getInstance(PARIS), BuddhistChronology.getInstanceUTC().withZone(PARIS));
    }

    public void testToString() {
        assertEquals("BuddhistChronology[Europe/London]", BuddhistChronology.getInstance(LONDON).toString());
        assertEquals("BuddhistChronology[Asia/Tokyo]", BuddhistChronology.getInstance(TOKYO).toString());
        assertEquals("BuddhistChronology[Europe/London]", BuddhistChronology.getInstance().toString());
        assertEquals("BuddhistChronology[UTC]", BuddhistChronology.getInstanceUTC().toString());
    }

    //-----------------------------------------------------------------------
    public void testDurationFields() {
        final BuddhistChronology buddhist = BuddhistChronology.getInstance();
        assertEquals("eras", buddhist.eras().getName());
        assertEquals("centuries", buddhist.centuries().getName());
        assertEquals("years", buddhist.years().getName());
        assertEquals("weekyears", buddhist.weekyears().getName());
        assertEquals("months", buddhist.months().getName());
        assertEquals("weeks", buddhist.weeks().getName());
        assertEquals("days", buddhist.days().getName());
        assertEquals("halfdays", GregorianChronology.getInstance().halfdays().getName());
        assertEquals("hours", buddhist.hours().getName());
        assertEquals("minutes", buddhist.minutes().getName());
        assertEquals("seconds", buddhist.seconds().getName());
        assertEquals("millis", buddhist.millis().getName());
        
        assertEquals(false, buddhist.eras().isSupported());
        assertEquals(true, buddhist.centuries().isSupported());
        assertEquals(true, buddhist.years().isSupported());
        assertEquals(true, buddhist.weekyears().isSupported());
        assertEquals(true, buddhist.months().isSupported());
        assertEquals(true, buddhist.weeks().isSupported());
        assertEquals(true, buddhist.days().isSupported());
        assertEquals(true, buddhist.halfdays().isSupported());
        assertEquals(true, buddhist.hours().isSupported());
        assertEquals(true, buddhist.minutes().isSupported());
        assertEquals(true, buddhist.seconds().isSupported());
        assertEquals(true, buddhist.millis().isSupported());
        
        assertEquals(false, buddhist.centuries().isPrecise());
        assertEquals(false, buddhist.years().isPrecise());
        assertEquals(false, buddhist.weekyears().isPrecise());
        assertEquals(false, buddhist.months().isPrecise());
        assertEquals(false, buddhist.weeks().isPrecise());
        assertEquals(false, buddhist.days().isPrecise());
        assertEquals(false, buddhist.halfdays().isPrecise());
        assertEquals(true, buddhist.hours().isPrecise());
        assertEquals(true, buddhist.minutes().isPrecise());
        assertEquals(true, buddhist.seconds().isPrecise());
        assertEquals(true, buddhist.millis().isPrecise());
        
        final BuddhistChronology buddhistUTC = BuddhistChronology.getInstanceUTC();
        assertEquals(false, buddhistUTC.centuries().isPrecise());
        assertEquals(false, buddhistUTC.years().isPrecise());
        assertEquals(false, buddhistUTC.weekyears().isPrecise());
        assertEquals(false, buddhistUTC.months().isPrecise());
        assertEquals(true, buddhistUTC.weeks().isPrecise());
        assertEquals(true, buddhistUTC.days().isPrecise());
        assertEquals(true, buddhistUTC.halfdays().isPrecise());
        assertEquals(true, buddhistUTC.hours().isPrecise());
        assertEquals(true, buddhistUTC.minutes().isPrecise());
        assertEquals(true, buddhistUTC.seconds().isPrecise());
        assertEquals(true, buddhistUTC.millis().isPrecise());
        
        final DateTimeZone gmt = DateTimeZone.forID("Etc/GMT");
        final BuddhistChronology buddhistGMT = BuddhistChronology.getInstance(gmt);
        assertEquals(false, buddhistGMT.centuries().isPrecise());
        assertEquals(false, buddhistGMT.years().isPrecise());
        assertEquals(false, buddhistGMT.weekyears().isPrecise());
        assertEquals(false, buddhistGMT.months().isPrecise());
        assertEquals(true, buddhistGMT.weeks().isPrecise());
        assertEquals(true, buddhistGMT.days().isPrecise());
        assertEquals(true, buddhistGMT.halfdays().isPrecise());
        assertEquals(true, buddhistGMT.hours().isPrecise());
        assertEquals(true, buddhistGMT.minutes().isPrecise());
        assertEquals(true, buddhistGMT.seconds().isPrecise());
        assertEquals(true, buddhistGMT.millis().isPrecise());
    }

    public void testDateFields() {
        final BuddhistChronology buddhist = BuddhistChronology.getInstance();
        assertEquals("era", buddhist.era().getName());
        assertEquals("centuryOfEra", buddhist.centuryOfEra().getName());
        assertEquals("yearOfCentury", buddhist.yearOfCentury().getName());
        assertEquals("yearOfEra", buddhist.yearOfEra().getName());
        assertEquals("year", buddhist.year().getName());
        assertEquals("monthOfYear", buddhist.monthOfYear().getName());
        assertEquals("weekyearOfCentury", buddhist.weekyearOfCentury().getName());
        assertEquals("weekyear", buddhist.weekyear().getName());
        assertEquals("weekOfWeekyear", buddhist.weekOfWeekyear().getName());
        assertEquals("dayOfYear", buddhist.dayOfYear().getName());
        assertEquals("dayOfMonth", buddhist.dayOfMonth().getName());
        assertEquals("dayOfWeek", buddhist.dayOfWeek().getName());
        
        assertEquals(true, buddhist.era().isSupported());
        assertEquals(true, buddhist.centuryOfEra().isSupported());
        assertEquals(true, buddhist.yearOfCentury().isSupported());
        assertEquals(true, buddhist.yearOfEra().isSupported());
        assertEquals(true, buddhist.year().isSupported());
        assertEquals(true, buddhist.monthOfYear().isSupported());
        assertEquals(true, buddhist.weekyearOfCentury().isSupported());
        assertEquals(true, buddhist.weekyear().isSupported());
        assertEquals(true, buddhist.weekOfWeekyear().isSupported());
        assertEquals(true, buddhist.dayOfYear().isSupported());
        assertEquals(true, buddhist.dayOfMonth().isSupported());
        assertEquals(true, buddhist.dayOfWeek().isSupported());
        
        assertEquals(buddhist.eras(), buddhist.era().getDurationField());
        assertEquals(buddhist.centuries(), buddhist.centuryOfEra().getDurationField());
        assertEquals(buddhist.years(), buddhist.yearOfCentury().getDurationField());
        assertEquals(buddhist.years(), buddhist.yearOfEra().getDurationField());
        assertEquals(buddhist.years(), buddhist.year().getDurationField());
        assertEquals(buddhist.months(), buddhist.monthOfYear().getDurationField());
        assertEquals(buddhist.weekyears(), buddhist.weekyearOfCentury().getDurationField());
        assertEquals(buddhist.weekyears(), buddhist.weekyear().getDurationField());
        assertEquals(buddhist.weeks(), buddhist.weekOfWeekyear().getDurationField());
        assertEquals(buddhist.days(), buddhist.dayOfYear().getDurationField());
        assertEquals(buddhist.days(), buddhist.dayOfMonth().getDurationField());
        assertEquals(buddhist.days(), buddhist.dayOfWeek().getDurationField());
        
        assertEquals(null, buddhist.era().getRangeDurationField());
        assertEquals(buddhist.eras(), buddhist.centuryOfEra().getRangeDurationField());
        assertEquals(buddhist.centuries(), buddhist.yearOfCentury().getRangeDurationField());
        assertEquals(buddhist.eras(), buddhist.yearOfEra().getRangeDurationField());
        assertEquals(null, buddhist.year().getRangeDurationField());
        assertEquals(buddhist.years(), buddhist.monthOfYear().getRangeDurationField());
        assertEquals(buddhist.centuries(), buddhist.weekyearOfCentury().getRangeDurationField());
        assertEquals(null, buddhist.weekyear().getRangeDurationField());
        assertEquals(buddhist.weekyears(), buddhist.weekOfWeekyear().getRangeDurationField());
        assertEquals(buddhist.years(), buddhist.dayOfYear().getRangeDurationField());
        assertEquals(buddhist.months(), buddhist.dayOfMonth().getRangeDurationField());
        assertEquals(buddhist.weeks(), buddhist.dayOfWeek().getRangeDurationField());
    }

    public void testTimeFields() {
        final BuddhistChronology buddhist = BuddhistChronology.getInstance();
        assertEquals("halfdayOfDay", buddhist.halfdayOfDay().getName());
        assertEquals("clockhourOfHalfday", buddhist.clockhourOfHalfday().getName());
        assertEquals("hourOfHalfday", buddhist.hourOfHalfday().getName());
        assertEquals("clockhourOfDay", buddhist.clockhourOfDay().getName());
        assertEquals("hourOfDay", buddhist.hourOfDay().getName());
        assertEquals("minuteOfDay", buddhist.minuteOfDay().getName());
        assertEquals("minuteOfHour", buddhist.minuteOfHour().getName());
        assertEquals("secondOfDay", buddhist.secondOfDay().getName());
        assertEquals("secondOfMinute", buddhist.secondOfMinute().getName());
        assertEquals("millisOfDay", buddhist.millisOfDay().getName());
        assertEquals("millisOfSecond", buddhist.millisOfSecond().getName());
        
        assertEquals(true, buddhist.halfdayOfDay().isSupported());
        assertEquals(true, buddhist.clockhourOfHalfday().isSupported());
        assertEquals(true, buddhist.hourOfHalfday().isSupported());
        assertEquals(true, buddhist.clockhourOfDay().isSupported());
        assertEquals(true, buddhist.hourOfDay().isSupported());
        assertEquals(true, buddhist.minuteOfDay().isSupported());
        assertEquals(true, buddhist.minuteOfHour().isSupported());
        assertEquals(true, buddhist.secondOfDay().isSupported());
        assertEquals(true, buddhist.secondOfMinute().isSupported());
        assertEquals(true, buddhist.millisOfDay().isSupported());
        assertEquals(true, buddhist.millisOfSecond().isSupported());
    }

    //-----------------------------------------------------------------------
    public void testEpoch() {
        DateTime epoch = new DateTime(1, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        assertEquals(new DateTime(-543, 1, 1, 0, 0, 0, 0, JULIAN_UTC), epoch.withChronology(JULIAN_UTC));
    }

    public void testEra() {
        assertEquals(1, BuddhistChronology.BE);
        try {
            new DateTime(-1, 13, 5, 0, 0, 0, 0, BUDDHIST_UTC);
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    public void testKeyYears() {
        DateTime bd = new DateTime(2513, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        DateTime jd = new DateTime(1970, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(2513, bd.getYear());
        assertEquals(2513, bd.getYearOfEra());
        assertEquals(2513, bd.plus(Period.weeks(1)).getWeekyear());
        
        bd = new DateTime(2126, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        jd = new DateTime(1583, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(2126, bd.getYear());
        assertEquals(2126, bd.getYearOfEra());
        assertEquals(2126, bd.plus(Period.weeks(1)).getWeekyear());
        
        bd = new DateTime(2125, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        jd = new DateTime(1582, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(2125, bd.getYear());
        assertEquals(2125, bd.getYearOfEra());
        assertEquals(2125, bd.plus(Period.weeks(1)).getWeekyear());
        
        bd = new DateTime(544, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        jd = new DateTime(1, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(544, bd.getYear());
        assertEquals(544, bd.getYearOfEra());
        assertEquals(544, bd.plus(Period.weeks(1)).getWeekyear());
        
        bd = new DateTime(543, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        jd = new DateTime(-1, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(543, bd.getYear());
        assertEquals(543, bd.getYearOfEra());
        assertEquals(543, bd.plus(Period.weeks(1)).getWeekyear());
        
        bd = new DateTime(1, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        jd = new DateTime(-543, 1, 1, 0, 0, 0, 0, GJ_UTC);
        assertEquals(jd, bd.withChronology(GJ_UTC));
        assertEquals(1, bd.getYear());
        assertEquals(1, bd.getYearOfEra());
        assertEquals(1, bd.plus(Period.weeks(1)).getWeekyear());
    }

    public void testCalendar() {
        if (TestAll.FAST) {
            return;
        }
        System.out.println("\nTestBuddhistChronology.testCalendar");
        DateTime epoch = new DateTime(1, 1, 1, 0, 0, 0, 0, BUDDHIST_UTC);
        long millis = epoch.getMillis();
        long end = new DateTime(3000, 1, 1, 0, 0, 0, 0, ISO_UTC).getMillis();
        DateTimeField dayOfWeek = BUDDHIST_UTC.dayOfWeek();
        DateTimeField weekOfWeekyear = GJ_UTC.weekOfWeekyear();
        DateTimeField dayOfYear = BUDDHIST_UTC.dayOfYear();
        DateTimeField dayOfMonth = BUDDHIST_UTC.dayOfMonth();
        DateTimeField monthOfYear = BUDDHIST_UTC.monthOfYear();
        DateTimeField year = BUDDHIST_UTC.year();
        DateTimeField yearOfEra = BUDDHIST_UTC.yearOfEra();
        DateTimeField era = BUDDHIST_UTC.era();
        DateTimeField gjDayOfWeek = GJ_UTC.dayOfWeek();
        DateTimeField gjWeekOfWeekyear = GJ_UTC.weekOfWeekyear();
        DateTimeField gjDayOfYear = GJ_UTC.dayOfYear();
        DateTimeField gjDayOfMonth = GJ_UTC.dayOfMonth();
        DateTimeField gjMonthOfYear = GJ_UTC.monthOfYear();
        DateTimeField gjYear = GJ_UTC.year();
        while (millis < end) {
            assertEquals(gjDayOfWeek.get(millis), dayOfWeek.get(millis));
            assertEquals(gjDayOfYear.get(millis), dayOfYear.get(millis));
            assertEquals(gjDayOfMonth.get(millis), dayOfMonth.get(millis));
            assertEquals(gjMonthOfYear.get(millis), monthOfYear.get(millis));
            assertEquals(gjWeekOfWeekyear.get(millis), weekOfWeekyear.get(millis));
            assertEquals(1, era.get(millis));
            int yearValue = gjYear.get(millis);
            if (yearValue <= 0) {
                yearValue++;
            }
            yearValue += 543;
            assertEquals(yearValue, year.get(millis));
            assertEquals(yearValue, yearOfEra.get(millis));
            millis += SKIP;
        }
    }

}

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