java.time.chrono.JapaneseChronology Java Examples

@Test
public void test_with_TemporalField_long() {
    JapaneseDate base = JapaneseChronology.INSTANCE.date(JapaneseEra.SHOWA, 63, 6, 30);
    JapaneseDate test = base.with(YEAR, 1987);
    assertEquals(test, JapaneseChronology.INSTANCE.date(JapaneseEra.SHOWA, 62, 6, 30));

    test = test.with(YEAR_OF_ERA, 2);
    assertEquals(test, JapaneseChronology.INSTANCE.date(JapaneseEra.SHOWA, 2, 6, 30));

    test = test.with(ERA, JapaneseEra.HEISEI.getValue());
    assertEquals(test, JapaneseChronology.INSTANCE.date(JapaneseEra.HEISEI, 2, 6, 30));

    test = test.with(MONTH_OF_YEAR, 3);
    assertEquals(test, JapaneseChronology.INSTANCE.date(JapaneseEra.HEISEI, 2, 3, 30));

    test = test.with(DAY_OF_MONTH, 4);
    assertEquals(test, JapaneseChronology.INSTANCE.date(JapaneseEra.HEISEI, 2, 3, 4));
}
 

@Test(dataProvider = "resolve_ymd")
public void test_resolve_ymd_strict(int y, int m, int d, JapaneseDate expected, Object smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.DAY_OF_MONTH, (long) d);
    if (strict) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test(dataProvider = "resolve_yd")
public void test_resolve_yd_smart(int y, int d, JapaneseDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.DAY_OF_YEAR, (long) d);
    if (smart) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test(dataProvider = "resolve_ymd")
public void test_resolve_ymd_strict(int y, int m, int d, JapaneseDate expected, Object smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.DAY_OF_MONTH, (long) d);
    if (strict) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test
public void test_dateNow(){
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseDate.now()) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseDate.now(ZoneId.systemDefault())) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseDate.now(Clock.systemDefaultZone())) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseDate.now(Clock.systemDefaultZone().getZone())) ;

    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseChronology.INSTANCE.dateNow(ZoneId.systemDefault())) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseChronology.INSTANCE.dateNow(Clock.systemDefaultZone())) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(), JapaneseChronology.INSTANCE.dateNow(Clock.systemDefaultZone().getZone())) ;

    ZoneId zoneId = ZoneId.of("Europe/Paris");
    assertEquals(JapaneseChronology.INSTANCE.dateNow(zoneId), JapaneseChronology.INSTANCE.dateNow(Clock.system(zoneId))) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(zoneId), JapaneseChronology.INSTANCE.dateNow(Clock.system(zoneId).getZone())) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(zoneId), JapaneseDate.now(Clock.system(zoneId))) ;
    assertEquals(JapaneseChronology.INSTANCE.dateNow(zoneId), JapaneseDate.now(Clock.system(zoneId).getZone())) ;

    assertEquals(JapaneseChronology.INSTANCE.dateNow(ZoneId.of(ZoneOffset.UTC.getId())), JapaneseChronology.INSTANCE.dateNow(Clock.systemUTC())) ;
}
 

@Test
public void testFormatParseEraName() {
    LocalDate date = LocalDate.of(2019, 5, 1);
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy MM dd GGGG");
    formatter = formatter.withChronology(JapaneseChronology.INSTANCE);

    int num = 0;
    for (Locale locale : Calendar.getAvailableLocales()) {
        formatter = formatter.withLocale(locale);
        try {
            LocalDate.parse(date.format(formatter), formatter);
        } catch (DateTimeParseException e) {
            // If an array is defined for Japanese eras in java.time resource,
            // but an era entry is missing, format fallback to English name
            // while parse throw DateTimeParseException.
            num++;
            System.out.println("Missing java.time resource data for locale: " + locale);
        }
    }
    if (num > 0) {
        throw new RuntimeException("Missing java.time data for " + num + " locales");
    }
}
 

@Test
public void test_getDayOfYear() {
    // Test all the Eras
    for (JapaneseEra era : JapaneseEra.values()) {
        int firstYear = (era == JapaneseEra.MEIJI) ? 6 : 1;  // Until Era supports range(YEAR_OF_ERA)
        JapaneseDate hd1 = JapaneseChronology.INSTANCE.dateYearDay(era, firstYear, 1);
        ValueRange range = hd1.range(DAY_OF_YEAR);
        assertEquals(range.getMaximum(), hd1.lengthOfYear(), "lengthOfYear should match range.getMaximum()");

        for (int i = 1; i <= hd1.lengthOfYear(); i++) {
            JapaneseDate hd = JapaneseChronology.INSTANCE.dateYearDay(era, firstYear, i);
            int doy = hd.get(DAY_OF_YEAR);
            assertEquals(doy, i, "get(DAY_OF_YEAR) incorrect for " + i + ", of date: " + hd);
        }
    }
}
 

@Test(dataProvider = "resolve_yd")
public void test_resolve_yd_strict(int y, int d, JapaneseDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.DAY_OF_YEAR, (long) d);
    if (strict) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test(dataProvider="RangeVersusCalendar")
public void test_JapaneseChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    Locale locale = Locale.forLanguageTag("ja-JP-u-ca-japanese");
    assertEquals(locale.toString(), "ja_JP_#u-ca-japanese", "Unexpected locale");

    Calendar cal = java.util.Calendar.getInstance(locale);
    assertEquals(cal.getCalendarType(), "japanese", "Unexpected calendar type");

    JapaneseDate jDate = JapaneseChronology.INSTANCE.date(isoStartDate);

    // Convert to millis and set Japanese Calendar to that start date (at GMT)
    OffsetDateTime jodt = OffsetDateTime.of(isoStartDate, LocalTime.MIN, ZoneOffset.UTC);
    long millis = jodt.toInstant().toEpochMilli();
    cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
    cal.setTimeInMillis(millis);

    while (jDate.isBefore(isoEndDate)) {
        assertEquals(jDate.get(ChronoField.DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + jDate + ";  cal: " + cal);
        assertEquals(jDate.get(ChronoField.MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + jDate);
        assertEquals(jDate.get(ChronoField.YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + jDate);

        jDate = jDate.plus(1, ChronoUnit.DAYS);
        cal.add(Calendar.DAY_OF_MONTH, 1);
    }
}
 

@Test
public void test_dayOfYearVsCalendar() {
    Locale locale = Locale.forLanguageTag("ja-JP-u-ca-japanese");
    Calendar cal = java.util.Calendar.getInstance(locale);

    for (JapaneseEra era : JapaneseEra.values()) {
        for (int year : new int[] {6, 7}) {
            JapaneseDate jd = JapaneseChronology.INSTANCE.dateYearDay(era, year, 1);
            OffsetDateTime jodt = OffsetDateTime.of(LocalDate.from(jd), LocalTime.MIN, ZoneOffset.UTC);
            long millis = jodt.toInstant().toEpochMilli();
            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.setTimeInMillis(millis);

            assertEquals(jd.get(ChronoField.DAY_OF_YEAR), cal.get(Calendar.DAY_OF_YEAR),
                    "different DAY_OF_YEAR values in " + era + ", year: " + year);
            assertEquals(jd.range(ChronoField.DAY_OF_YEAR).getMaximum(), cal.getActualMaximum(Calendar.DAY_OF_YEAR),
                    "different maximum for DAY_OF_YEAR in " + era + ", year: " + year);
            assertEquals(jd.range(ChronoField.DAY_OF_YEAR).getMinimum(), cal.getActualMinimum(Calendar.DAY_OF_YEAR),
                    "different minimum for DAY_OF_YEAR in " + era + ",  year: " + year);
        }
    }

}
 

@Test
public void testFormatParseEraName() {
    LocalDate date = LocalDate.of(2019, 5, 1);
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy MM dd GGGG");
    formatter = formatter.withChronology(JapaneseChronology.INSTANCE);

    int num = 0;
    for (Locale locale : Calendar.getAvailableLocales()) {
        formatter = formatter.withLocale(locale);
        try {
            LocalDate.parse(date.format(formatter), formatter);
        } catch (DateTimeParseException e) {
            // If an array is defined for Japanese eras in java.time resource,
            // but an era entry is missing, format fallback to English name
            // while parse throw DateTimeParseException.
            num++;
            System.out.println("Missing java.time resource data for locale: " + locale);
        }
    }
    if (num > 0) {
        throw new RuntimeException("Missing java.time data for " + num + " locales");
    }
}
 

@Test(dataProvider = "resolve_eymd")
public void test_resolve_eymd(ResolverStyle style, JapaneseEra era, int yoe, int m, int d, JapaneseDate expected) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.ERA, (long) era.getValue());
    fieldValues.put(ChronoField.YEAR_OF_ERA, (long) yoe);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.DAY_OF_MONTH, (long) d);
    if (expected != null) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test(dataProvider = "resolve_yd")
public void test_resolve_yd_smart(int y, int d, JapaneseDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.DAY_OF_YEAR, (long) d);
    if (smart) {
        JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@DataProvider(name="toString")
Object[][] data_toString() {
    return new Object[][] {
        {JapaneseChronology.INSTANCE.date(1873, 12,  5), "Japanese Meiji 6-12-05"},
        {JapaneseChronology.INSTANCE.date(1873, 12,  6), "Japanese Meiji 6-12-06"},
        {JapaneseChronology.INSTANCE.date(1873,  9,  8), "Japanese Meiji 6-09-08"},
        {JapaneseChronology.INSTANCE.date(1912,  7, 29), "Japanese Meiji 45-07-29"},
        {JapaneseChronology.INSTANCE.date(1912,  7, 30), "Japanese Taisho 1-07-30"},
        {JapaneseChronology.INSTANCE.date(1926, 12, 24), "Japanese Taisho 15-12-24"},
        {JapaneseChronology.INSTANCE.date(1926, 12, 25), "Japanese Showa 1-12-25"},
        {JapaneseChronology.INSTANCE.date(1989,  1,  7), "Japanese Showa 64-01-07"},
        {JapaneseChronology.INSTANCE.date(1989,  1,  8), "Japanese Heisei 1-01-08"},
        {JapaneseChronology.INSTANCE.date(2012, 12,  6), "Japanese Heisei 24-12-06"},
        {JapaneseChronology.INSTANCE.date(2020,  1,  6), "Japanese Reiwa 2-01-06"},
    };
}
 

@Test
public void test_getDayOfYear() {
    // Test all the Eras
    for (JapaneseEra era : JapaneseEra.values()) {
        int firstYear = (era == JapaneseEra.MEIJI) ? 6 : 1;  // Until Era supports range(YEAR_OF_ERA)
        JapaneseDate hd1 = JapaneseChronology.INSTANCE.dateYearDay(era, firstYear, 1);
        ValueRange range = hd1.range(DAY_OF_YEAR);
        assertEquals(range.getMaximum(), hd1.lengthOfYear(), "lengthOfYear should match range.getMaximum()");

        for (int i = 1; i <= hd1.lengthOfYear(); i++) {
            JapaneseDate hd = JapaneseChronology.INSTANCE.dateYearDay(era, firstYear, i);
            int doy = hd.get(DAY_OF_YEAR);
            assertEquals(doy, i, "get(DAY_OF_YEAR) incorrect for " + i + ", of date: " + hd);
        }
    }
}
 

@DataProvider(name="toString")
Object[][] data_toString() {
    return new Object[][] {
        {JapaneseChronology.INSTANCE.date(1873, 12,  5), "Japanese Meiji 6-12-05"},
        {JapaneseChronology.INSTANCE.date(1873, 12,  6), "Japanese Meiji 6-12-06"},
        {JapaneseChronology.INSTANCE.date(1873,  9,  8), "Japanese Meiji 6-09-08"},
        {JapaneseChronology.INSTANCE.date(1912,  7, 29), "Japanese Meiji 45-07-29"},
        {JapaneseChronology.INSTANCE.date(1912,  7, 30), "Japanese Taisho 1-07-30"},
        {JapaneseChronology.INSTANCE.date(1926, 12, 24), "Japanese Taisho 15-12-24"},
        {JapaneseChronology.INSTANCE.date(1926, 12, 25), "Japanese Showa 1-12-25"},
        {JapaneseChronology.INSTANCE.date(1989,  1,  7), "Japanese Showa 64-01-07"},
        {JapaneseChronology.INSTANCE.date(1989,  1,  8), "Japanese Heisei 1-01-08"},
        {JapaneseChronology.INSTANCE.date(2012, 12,  6), "Japanese Heisei 24-12-06"},
        {JapaneseChronology.INSTANCE.date(2020,  1,  6), "Japanese Reiwa 2-01-06"},
    };
}
 

@Test
public void test_JapaneseChronology_dateYearDay() {
    Chronology chrono = Chronology.of("Japanese");
    ChronoLocalDate date1 = chrono.dateYearDay(JapaneseEra.HEISEI, 8, 60);
    ChronoLocalDate date2 = chrono.date(JapaneseEra.HEISEI, 8, 2, 29);
    assertEquals(date1, JapaneseChronology.INSTANCE.dateYearDay(JapaneseEra.HEISEI, 8, 60));
    assertEquals(date2, JapaneseChronology.INSTANCE.dateYearDay(JapaneseEra.HEISEI, 8, 60));
}
 

@DataProvider(name = "calendars")
Chronology[][] data_of_calendars() {
    return new Chronology[][]{
                {HijrahChronology.INSTANCE},
                {IsoChronology.INSTANCE},
                {JapaneseChronology.INSTANCE},
                {MinguoChronology.INSTANCE},
                {ThaiBuddhistChronology.INSTANCE}};
}
 

@Test(dataProvider = "resolve_styles")
public void test_resolve_yearOfEra_yearOfEraOnly_valid(ResolverStyle style) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR_OF_ERA, 1L);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
    assertEquals(date, null);
    assertEquals(fieldValues.get(ChronoField.YEAR_OF_ERA), (Long) 1L);
    assertEquals(fieldValues.size(), 1);
}
 

@Test
public void test_periodUntilDiffChrono() {
    JapaneseDate mdate1 = JapaneseDate.of(1970, 1, 1);
    JapaneseDate mdate2 = JapaneseDate.of(1971, 2, 2);
    MinguoDate ldate2 = MinguoChronology.INSTANCE.date(mdate2);
    ChronoPeriod period = mdate1.until(ldate2);
    assertEquals(period, JapaneseChronology.INSTANCE.period(1, 1, 1));
}
 

@DataProvider(name = "calendars")
Chronology[][] data_of_calendars() {
    return new Chronology[][]{
                {HijrahChronology.INSTANCE},
                {IsoChronology.INSTANCE},
                {JapaneseChronology.INSTANCE},
                {MinguoChronology.INSTANCE},
                {ThaiBuddhistChronology.INSTANCE}};
}
 

@Test(dataProvider = "resolve_yd")
public void test_resolve_yd_lenient(int y, int d, JapaneseDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.DAY_OF_YEAR, (long) d);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.LENIENT);
    assertEquals(date, expected);
    assertEquals(fieldValues.size(), 0);
}
 

@DataProvider(name = "calendars")
Chronology[][] data_of_calendars() {
    return new Chronology[][]{
                {HijrahChronology.INSTANCE},
                {IsoChronology.INSTANCE},
                {JapaneseChronology.INSTANCE},
                {MinguoChronology.INSTANCE},
                {ThaiBuddhistChronology.INSTANCE}};
}
 

public void test_resolve_yearOfEra_eraOnly_invalidTooLarge() {
    for (ResolverStyle style : ResolverStyle.values()) {
        Map<TemporalField, Long> fieldValues = new HashMap<>();
        fieldValues.put(ChronoField.ERA, JapaneseEra.values()[JapaneseEra.values().length - 1].getValue() + 1L);
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
            fail("Should have failed: " + style);
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

public void test_resolve_yearOfEra_eraOnly_invalidTooSmall() {
    for (ResolverStyle style : ResolverStyle.values()) {
        Map<TemporalField, Long> fieldValues = new HashMap<>();
        fieldValues.put(ChronoField.ERA, JapaneseEra.MEIJI.getValue() - 1L);
        try {
            JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
            fail("Should have failed: " + style);
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

@Test(dataProvider = "resolve_styles")
public void test_resolve_yearOfEra_yearOfEraAndYearOnly_valid(ResolverStyle style) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR_OF_ERA, 1L);
    fieldValues.put(ChronoField.YEAR, 2012L);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
    assertEquals(date, null);
    assertEquals(fieldValues.get(ChronoField.YEAR_OF_ERA), (Long) 1L);
    assertEquals(fieldValues.get(ChronoField.YEAR), (Long) 2012L);
    assertEquals(fieldValues.size(), 2);
}
 

@Test(dataProvider = "resolve_styles")
public void test_resolve_yearOfEra_yearOfEraOnly_valid(ResolverStyle style) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR_OF_ERA, 1L);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
    assertEquals(date, null);
    assertEquals(fieldValues.get(ChronoField.YEAR_OF_ERA), (Long) 1L);
    assertEquals(fieldValues.size(), 1);
}
 

@Test(dataProvider = "resolve_styleByEra")
public void test_resolve_yearOfEra_eraAndYearOnly_valid(ResolverStyle style, JapaneseEra era) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.ERA, (long) era.getValue());
    fieldValues.put(ChronoField.YEAR, 1L);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
    assertEquals(date, null);
    assertEquals(fieldValues.get(ChronoField.ERA), (Long) (long) era.getValue());
    assertEquals(fieldValues.get(ChronoField.YEAR), (Long) 1L);
    assertEquals(fieldValues.size(), 2);
}
 

@Test(dataProvider = "resolve_styleByEra")
public void test_resolve_yearOfEra_eraAndYearOfEraOnly_valid(ResolverStyle style, JapaneseEra era) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.ERA, (long) era.getValue());
    fieldValues.put(ChronoField.YEAR_OF_ERA, 1L);
    JapaneseDate date = JapaneseChronology.INSTANCE.resolveDate(fieldValues, style);
    assertEquals(date, null);
    assertEquals(fieldValues.get(ChronoField.ERA), (Long) (long) era.getValue());
    assertEquals(fieldValues.get(ChronoField.YEAR_OF_ERA), (Long) 1L);
    assertEquals(fieldValues.size(), 2);
}
 

@Test(dataProvider="prolepticYear")
public void test_prolepticYear(int eraValue, Era  era, int yearOfEra, int expectedProlepticYear, boolean isLeapYear) {
    Era eraObj = JapaneseChronology.INSTANCE.eraOf(eraValue);
    assertTrue(JapaneseChronology.INSTANCE.eras().contains(eraObj));
    assertEquals(eraObj, era);
    assertEquals(JapaneseChronology.INSTANCE.prolepticYear(era, yearOfEra), expectedProlepticYear);
}