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25 
26 package test.java.time.chrono;
27 
28 import static java.time.temporal.ChronoField.DAY_OF_MONTH;
29 import static java.time.temporal.ChronoField.DAY_OF_YEAR;
30 import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
31 import static java.time.temporal.ChronoField.YEAR;
32 import static org.testng.Assert.assertEquals;
33 import static org.testng.Assert.assertFalse;
34 import static org.testng.Assert.assertTrue;
35 import static org.testng.Assert.fail;
36 
37 import java.time.DateTimeException;
38 import java.time.DayOfWeek;
39 import java.time.LocalDate;
40 import java.time.LocalDateTime;
41 import java.time.LocalTime;
42 import java.time.OffsetDateTime;
43 import java.time.ZoneId;
44 import java.time.ZoneOffset;
45 import java.time.ZonedDateTime;
46 import java.time.chrono.ChronoLocalDate;
47 import java.time.chrono.ChronoLocalDateTime;
48 import java.time.chrono.ChronoPeriod;
49 import java.time.chrono.ChronoZonedDateTime;
50 import java.time.chrono.Chronology;
51 import java.time.chrono.HijrahChronology;
52 import java.time.chrono.HijrahDate;
53 import java.time.chrono.JapaneseChronology;
54 import java.time.chrono.JapaneseDate;
55 import java.time.chrono.MinguoChronology;
56 import java.time.chrono.MinguoDate;
57 import java.time.chrono.ThaiBuddhistChronology;
58 import java.time.chrono.ThaiBuddhistDate;
59 import java.time.format.DateTimeFormatter;
60 import java.time.format.FormatStyle;
61 import java.time.temporal.ChronoField;
62 import java.time.temporal.ChronoUnit;
63 import java.time.temporal.TemporalAccessor;
64 import java.time.temporal.TemporalAdjusters;
65 import java.time.temporal.ValueRange;
66 import java.time.temporal.WeekFields;
67 import java.util.Locale;
68 
69 import org.testng.annotations.DataProvider;
70 import org.testng.annotations.Test;
71 
72 /**
73  * Tests for the Umm alQura chronology and data.
74  * Note: The dates used for testing are just a sample of calendar data.
75  * @bug 8067800
76  */
77 @Test
78 public class TestUmmAlQuraChronology {
79 
80     private static final ZoneOffset OFFSET_PTWO = ZoneOffset.ofHours(2);
81     private static final ZoneId ZONE_RIYADH = ZoneId.of("Asia/Riyadh");
82 
83     // Test for HijrahChronology Aliases
84     @Test
test_aliases()85     public void test_aliases() {
86         HijrahChronology hc = (HijrahChronology) Chronology.of("Hijrah");
87         assertEquals(hc, HijrahChronology.INSTANCE, "Alias for Hijrah-umalqura");
88         hc = (HijrahChronology) Chronology.of("islamic");
89         assertEquals(hc, HijrahChronology.INSTANCE, "Alias for Hijrah-umalqura");
90     }
91 
92     // Test to check if the exception is thrown for an incorrect chronology id
93     @Test(expectedExceptions=DateTimeException.class)
test_badChronology()94     public void test_badChronology() {
95         Chronology test = Chronology.of("Hijrah-ummalqura");
96     }
97 
98     //--------------------------------------------------------------------------
99     // regular data factory for Umm alQura dates and the corresponding ISO dates
100     //--------------------------------------------------------------------------
101     @DataProvider(name = "UmmAlQuraVsISODates")
data_UmmAlQuraVsISODates()102     Object[][] data_UmmAlQuraVsISODates() {
103         return new Object[][] {
104             {HijrahDate.of(1318, 1, 1), LocalDate.of(1900, 04, 30)},
105             {HijrahDate.of(1318, 12, 29), LocalDate.of(1901, 04, 19)},
106             {HijrahDate.of(1319, 01, 01), LocalDate.of(1901, 04, 20)},
107             {HijrahDate.of(1433, 12, 29), LocalDate.of(2012, 11, 14)},
108             {HijrahDate.of(1434, 01, 01), LocalDate.of(2012, 11, 15)},
109             {HijrahDate.of(1434, 02, 18), LocalDate.of(2012, 12, 31)},
110             {HijrahDate.of(1502, 12, 29), LocalDate.of(2079, 10, 25)},
111         };
112     }
113 
114     // Test to verify the epoch days for given Hijrah & ISO date instances
115     @Test(dataProvider="UmmAlQuraVsISODates")
Test_UmmAlQuraVsISODates(HijrahDate hd, LocalDate ld)116         public void Test_UmmAlQuraVsISODates(HijrahDate hd, LocalDate ld) {
117         assertEquals(hd.toEpochDay(), ld.toEpochDay(), "Umm alQura date and ISO date should have same epochDay");
118     }
119 
120     // UmmAlQura chronology ranges for year, month and days for the HijrahChronology
121     @Test
Test_UmmAlQuraChronoRange()122     public void Test_UmmAlQuraChronoRange() {
123         HijrahChronology chrono = HijrahChronology.INSTANCE;
124         ValueRange year = chrono.range(YEAR);
125         assertEquals(year.getMinimum(), 1300, "Minimum year");
126         assertEquals(year.getLargestMinimum(), 1300, "Largest minimum year");
127         assertEquals(year.getMaximum(), 1600, "Largest year");
128         assertEquals(year.getSmallestMaximum(), 1600, "Smallest Maximum year");
129 
130         ValueRange month = chrono.range(MONTH_OF_YEAR);
131         assertEquals(month.getMinimum(), 1, "Minimum month");
132         assertEquals(month.getLargestMinimum(), 1, "Largest minimum month");
133         assertEquals(month.getMaximum(), 12, "Largest month");
134         assertEquals(month.getSmallestMaximum(), 12, "Smallest Maximum month");
135 
136         ValueRange day = chrono.range(DAY_OF_MONTH);
137         assertEquals(day.getMinimum(), 1, "Minimum day");
138         assertEquals(day.getLargestMinimum(), 1, "Largest minimum day");
139         assertEquals(day.getMaximum(), 30, "Largest day");
140         assertEquals(day.getSmallestMaximum(), 29, "Smallest Maximum day");
141     }
142 
143     //-----------------------------------------------------------------------
144     // regular data factory for dates and the corresponding range values
145     //-----------------------------------------------------------------------
146     @DataProvider(name = "dates")
data_dates()147     Object[][] data_dates() {
148         return new Object[][]{
149             {HijrahDate.of(1300, 5, 1), 1300, 1600, 1, 12, 1, 30, 30},
150             {HijrahDate.of(1300, 6, 1), 1300, 1600, 1, 12, 1, 29, 30},
151             {HijrahDate.of(1434, 12, 1), 1300, 1600, 1, 12, 1, 29, 30},
152             {HijrahDate.of(1500, 4, 1), 1300, 1600, 1, 12, 1, 30, 30},
153             {HijrahDate.of(1600, 6, 1), 1300, 1600, 1, 12, 1, 29, 30},
154         };
155     }
156 
157     // Test to verify the min/max field ranges for given dates
158     @Test(dataProvider="dates")
Test_UmmAlQuraRanges(HijrahDate date, int minYear, int maxYear, int minMonth, int maxMonth, int minDay, int maxDay, int maxChronoDay)159     public void Test_UmmAlQuraRanges(HijrahDate date,
160                         int minYear, int maxYear,
161                         int minMonth, int maxMonth,
162                         int minDay, int maxDay, int maxChronoDay) {
163         // Check the chronology ranges
164         HijrahChronology chrono = date.getChronology();
165         ValueRange yearRange = chrono.range(YEAR);
166         assertEquals(yearRange.getMinimum(), minYear, "Minimum year for Hijrah chronology");
167         assertEquals(yearRange.getLargestMinimum(), minYear, "Largest minimum year for Hijrah chronology");
168         assertEquals(yearRange.getMaximum(), maxYear, "Maximum year for Hijrah chronology");
169         assertEquals(yearRange.getSmallestMaximum(), maxYear, "Smallest Maximum year for Hijrah chronology");
170 
171         ValueRange monthRange = chrono.range(MONTH_OF_YEAR);
172         assertEquals(monthRange.getMinimum(), minMonth, "Minimum month for Hijrah chronology");
173         assertEquals(monthRange.getMaximum(), maxMonth, "Maximum month for Hijrah chronology");
174 
175         ValueRange daysRange = chrono.range(DAY_OF_MONTH);
176         assertEquals(daysRange.getMinimum(), minDay, "Minimum day for chronology");
177         assertEquals(daysRange.getMaximum(), maxChronoDay, "Maximum day for Hijrah chronology");
178 
179         // Check the date ranges
180         yearRange = date.range(YEAR);
181         assertEquals(yearRange.getMinimum(), minYear, "Minimum year for Hijrah date");
182         assertEquals(yearRange.getLargestMinimum(), minYear, "Largest minimum  year for Hijrah date");
183         assertEquals(yearRange.getMaximum(), maxYear, "Maximum year for Hijrah date");
184         assertEquals(yearRange.getSmallestMaximum(), maxYear, "Smallest maximum year for Hijrah date");
185 
186         monthRange = date.range(MONTH_OF_YEAR);
187         assertEquals(monthRange.getMinimum(), minMonth, "Minimum month for HijrahDate");
188         assertEquals(monthRange.getMaximum(), maxMonth, "Maximum month for HijrahDate");
189 
190         daysRange = date.range(DAY_OF_MONTH);
191         assertEquals(daysRange.getMinimum(), minDay, "Minimum day for HijrahDate");
192         assertEquals(daysRange.getMaximum(), maxDay, "Maximum day for HijrahDate");
193 
194     }
195 
196     // Check the date limits
197     @Test
test_hijrahDateLimits()198     public void test_hijrahDateLimits() {
199         HijrahChronology chrono = HijrahChronology.INSTANCE;
200         ValueRange yearRange = chrono.range(YEAR);
201         ValueRange monthRange = chrono.range(MONTH_OF_YEAR);
202         ValueRange dayRange = chrono.range(DAY_OF_MONTH);
203 
204         HijrahDate xx = chrono.date(1434, 1, 1);
205         HijrahDate minDate = chrono.date((int)yearRange.getLargestMinimum(),
206                 (int)monthRange.getMinimum(), (int)dayRange.getMinimum());
207         try {
208             HijrahDate before = minDate.minus(1, ChronoUnit.DAYS);
209             fail("Exception did not occur, minDate: " + minDate + ".minus(1, DAYS) = " + before);
210 
211         } catch (DateTimeException ex) {
212             // ignore, this exception was expected
213         }
214 
215         HijrahDate maxDate = chrono.date((int)yearRange.getSmallestMaximum(),
216                 (int)monthRange.getMaximum(), 1);
217         int monthLen = maxDate.lengthOfMonth();
218         maxDate = maxDate.with(DAY_OF_MONTH, monthLen);
219         try {
220             HijrahDate after = maxDate.plus(1, ChronoUnit.DAYS);
221             fail("Exception did not occur, maxDate: " + maxDate + ".plus(1, DAYS) = " + after);
222         } catch (DateTimeException ex) {
223             // ignore, this exception was expected
224         }
225     }
226 
227     // Data provider to verify the dateYearDay() method
228     @DataProvider(name="dateYearDay")
data_dateYearDay()229     Object[][] data_dateYearDay() {
230         return new Object[][] {
231             {HijrahChronology.INSTANCE.dateYearDay(1434, 42), HijrahChronology.INSTANCE.date(1434, 02, 13)},
232             {HijrahChronology.INSTANCE.dateYearDay(1330, 354), HijrahChronology.INSTANCE.date(1330, 12, 29)},
233             {HijrahChronology.INSTANCE.dateYearDay(1600, 1), HijrahChronology.INSTANCE.date(1600, 1, 1)},
234             {HijrahChronology.INSTANCE.dateYearDay(1400, 175), HijrahChronology.INSTANCE.date(1400, 6, 28)},
235             {HijrahChronology.INSTANCE.dateYearDay(1520, 190), HijrahChronology.INSTANCE.date(1520, 7, 13)},
236             {HijrahChronology.INSTANCE.dateYearDay(1521, 112), HijrahChronology.INSTANCE.date(1521, 4, 25)},
237         };
238     }
239 
240     // Test to verify the dateYearDay() method
241     @Test(dataProvider="dateYearDay")
test_DateYearDay(ChronoLocalDate date1, ChronoLocalDate date2)242     public void test_DateYearDay(ChronoLocalDate date1,   ChronoLocalDate date2) {
243        assertEquals(date1, date2);
244     }
245 
246     //-----------------------------------------------------------------------
247     // HijrahDate.with(DAY_OF_YEAR, n)
248     //-----------------------------------------------------------------------
249     @Test
test_getDayOfYear()250     public void test_getDayOfYear() {
251         HijrahDate hd1 = HijrahChronology.INSTANCE.dateYearDay(1434, 1);
252         for (int i = 1; i <= hd1.lengthOfYear(); i++) {
253             HijrahDate hd = HijrahChronology.INSTANCE.dateYearDay(1434, i);
254             int doy = hd.get(DAY_OF_YEAR);
255             assertEquals(doy, i, "get(DAY_OF_YEAR) incorrect for " + i);
256         }
257     }
258 
259     @Test
test_withDayOfYear()260     public void test_withDayOfYear() {
261         HijrahDate hd = HijrahChronology.INSTANCE.dateYearDay(1434, 1);
262         for (int i = 1; i <= hd.lengthOfYear(); i++) {
263             HijrahDate hd2 = hd.with(DAY_OF_YEAR, i);
264             int doy = hd2.get(DAY_OF_YEAR);
265             assertEquals(doy, i, "with(DAY_OF_YEAR) incorrect for " + i + " " + hd2);
266         }
267     }
268 
269     @Test(expectedExceptions=java.time.DateTimeException.class)
test_withDayOfYearTooSmall()270     public void test_withDayOfYearTooSmall() {
271         HijrahDate hd = HijrahChronology.INSTANCE.dateYearDay(1435, 1);
272         HijrahDate hd2 = hd.with(DAY_OF_YEAR, 0);
273     }
274 
275     @Test(expectedExceptions=java.time.DateTimeException.class)
test_withDayOfYearTooLarge()276     public void test_withDayOfYearTooLarge() {
277         HijrahDate hd = HijrahChronology.INSTANCE.dateYearDay(1435, 1);
278         HijrahDate hd2 = hd.with(DAY_OF_YEAR, hd.lengthOfYear() + 1);
279     }
280 
281     // Test to verify the with() method with ChronoField is set to DAY_OF_WEEK
282     @Test
test_adjustWithDayOfWeek()283     public void test_adjustWithDayOfWeek() {
284         assertEquals(HijrahChronology.INSTANCE.date(1320, 1, 15).with(ChronoField.DAY_OF_WEEK, 4), HijrahDate.of(1320, 1, 15));
285         assertEquals(HijrahChronology.INSTANCE.date(1421, 11, 15).with(ChronoField.DAY_OF_WEEK, 1), HijrahDate.of(1421, 11, 11));
286         assertEquals(HijrahChronology.INSTANCE.date(1529, 7, 18).with(ChronoField.DAY_OF_WEEK, 6), HijrahDate.of(1529, 7, 20));
287         assertEquals(HijrahChronology.INSTANCE.date(1534, 2, 10).with(ChronoField.DAY_OF_WEEK, 5), HijrahDate.of(1534, 2, 12));
288         assertEquals(HijrahChronology.INSTANCE.date(1552, 4, 1).with(ChronoField.DAY_OF_WEEK, 2), HijrahDate.of(1552, 3, 26));
289     }
290 
291     // Test to verify the with() method with ChronoField is set to DAY_OF_MONTH
292     @Test
test_adjustWithDayOfMonth()293     public void test_adjustWithDayOfMonth() {
294         assertEquals(HijrahChronology.INSTANCE.date(1320, 1, 15).with(ChronoField.DAY_OF_MONTH, 2), HijrahDate.of(1320, 1, 2));
295         assertEquals(HijrahChronology.INSTANCE.date(1421, 11, 15).with(ChronoField.DAY_OF_MONTH, 9), HijrahDate.of(1421, 11, 9));
296         assertEquals(HijrahChronology.INSTANCE.date(1529, 7, 18).with(ChronoField.DAY_OF_MONTH, 13), HijrahDate.of(1529, 7, 13));
297         assertEquals(HijrahChronology.INSTANCE.date(1534, 12, 10).with(ChronoField.DAY_OF_MONTH, 29), HijrahDate.of(1534, 12, 29));
298         assertEquals(HijrahChronology.INSTANCE.date(1552, 4, 1).with(ChronoField.DAY_OF_MONTH, 6), HijrahDate.of(1552, 4, 6));
299     }
300 
301     // Test to verify the with() method with ChronoField is set to DAY_OF_YEAR
302     @Test
test_adjustWithDayOfYear()303     public void test_adjustWithDayOfYear() {
304         assertEquals(HijrahChronology.INSTANCE.date(1320, 1, 15).with(ChronoField.DAY_OF_YEAR, 24), HijrahDate.of(1320, 1, 24));
305         assertEquals(HijrahChronology.INSTANCE.date(1421, 11, 15).with(ChronoField.DAY_OF_YEAR, 135), HijrahDate.of(1421, 5, 18));
306         assertEquals(HijrahChronology.INSTANCE.date(1529, 7, 18).with(ChronoField.DAY_OF_YEAR, 64), HijrahDate.of(1529, 3, 5));
307         assertEquals(HijrahChronology.INSTANCE.date(1534, 2, 10).with(ChronoField.DAY_OF_YEAR, 354), HijrahDate.of(1534, 12, 29));
308         assertEquals(HijrahChronology.INSTANCE.date(1552, 4, 1).with(ChronoField.DAY_OF_YEAR, 291), HijrahDate.of(1552, 10, 26));
309     }
310 
311     // Data provider to get the difference between two dates in terms of days, months and years
312     @DataProvider(name="datesForDiff")
data_datesForDiffs()313     Object[][] data_datesForDiffs() {
314         return new Object[][] {
315             {HijrahDate.of(1350, 5, 15), HijrahDate.of(1351, 12, 29), 574, 19, 1},
316             {HijrahDate.of(1434, 5, 1), HijrahDate.of(1434,6, 12), 40, 1, 0},
317             {HijrahDate.of(1436, 1, 1), HijrahDate.of(1475, 12, 29), 14173, 479, 39},
318             {HijrahDate.of(1500, 6, 12), HijrahDate.of(1551, 7, 12), 18102, 613, 51},
319             {HijrahDate.of(1550, 3, 11), HijrahDate.of(1551, 4, 11), 384, 13, 1},
320         };
321     }
322 
323     // Test to verify the difference between two given dates in terms of days, months and years
324     @Test(dataProvider="datesForDiff")
test_diffBetweenDates(ChronoLocalDate from, ChronoLocalDate to, long days, long months, long years)325     public void test_diffBetweenDates(ChronoLocalDate from, ChronoLocalDate to, long days, long months, long years) {
326           assertEquals(from.until(to, ChronoUnit.DAYS), days);
327           assertEquals(from.until(to, ChronoUnit.MONTHS), months);
328           assertEquals(from.until(to, ChronoUnit.YEARS), years);
329     }
330 
331     // Data provider to get the difference between two dates as a period
332     @DataProvider(name="datesForPeriod")
data_Period()333     Object[][] data_Period() {
334         return new Object[][] {
335             {HijrahDate.of(1350, 5, 15), HijrahDate.of(1434, 7, 20), HijrahChronology.INSTANCE.period(84, 2, 5)},
336             {HijrahDate.of(1403, 5, 28), HijrahDate.of(1434, 7, 20), HijrahChronology.INSTANCE.period(31, 1, 22)},
337             {HijrahDate.of(1434, 7, 20), HijrahDate.of(1484, 2, 15), HijrahChronology.INSTANCE.period(49, 6, 24)},
338             {HijrahDate.of(1500, 6, 12), HijrahDate.of(1450, 4, 21), HijrahChronology.INSTANCE.period(-50, -1, -20)},
339             {HijrahDate.of(1549, 3, 11), HijrahDate.of(1550, 3, 10), HijrahChronology.INSTANCE.period(0, 11, 28)},
340         };
341     }
342 
343     // Test to get the Period between two given dates
344     @Test(dataProvider="datesForPeriod")
test_until(HijrahDate h1, HijrahDate h2, ChronoPeriod p)345     public void test_until(HijrahDate h1, HijrahDate h2, ChronoPeriod p) {
346         ChronoPeriod period = h1.until(h2);
347         assertEquals(period, p);
348     }
349 
350     // Test to get the Period between dates in different chronologies
351     @Test(dataProvider="datesForPeriod")
test_periodUntilDiffChrono(HijrahDate h1, HijrahDate h2, ChronoPeriod p)352     public void test_periodUntilDiffChrono(HijrahDate h1, HijrahDate h2, ChronoPeriod p) {
353         MinguoDate m = MinguoChronology.INSTANCE.date(h2);
354         ChronoPeriod period = h1.until(m);
355         assertEquals(period, p);
356     }
357 
358     // Test to get the adjusted date from a given date using TemporalAdjuster methods
359     @Test
test_temporalDayAdjustments()360     public void test_temporalDayAdjustments() {
361         HijrahDate date = HijrahDate.of(1554, 7, 21);
362         assertEquals(date.with(TemporalAdjusters.firstDayOfMonth()), HijrahDate.of(1554, 7, 1));
363         assertEquals(date.with(TemporalAdjusters.lastDayOfMonth()), HijrahDate.of(1554, 7, 29));
364         assertEquals(date.with(TemporalAdjusters.firstDayOfNextMonth()), HijrahDate.of(1554, 8, 1));
365         assertEquals(date.with(TemporalAdjusters.firstDayOfNextYear()), HijrahDate.of(1555, 1, 1));
366         assertEquals(date.with(TemporalAdjusters.firstDayOfYear()), HijrahDate.of(1554, 1, 1));
367         assertEquals(date.with(TemporalAdjusters.lastDayOfYear()), HijrahDate.of(1554, 12, 30));
368     }
369 
370     // Data provider for string representation of the date instances
371     @DataProvider(name="toString")
data_toString()372     Object[][] data_toString() {
373         return new Object[][] {
374             {HijrahChronology.INSTANCE.date(1320, 1, 1), "Hijrah-umalqura AH 1320-01-01"},
375             {HijrahChronology.INSTANCE.date(1500, 10, 28), "Hijrah-umalqura AH 1500-10-28"},
376             {HijrahChronology.INSTANCE.date(1500, 10, 29), "Hijrah-umalqura AH 1500-10-29"},
377             {HijrahChronology.INSTANCE.date(1434, 12, 5), "Hijrah-umalqura AH 1434-12-05"},
378             {HijrahChronology.INSTANCE.date(1434, 12, 6), "Hijrah-umalqura AH 1434-12-06"},
379         };
380     }
381 
382     // Test to verify the returned string value of a given date instance
383     @Test(dataProvider="toString")
test_toString(ChronoLocalDate hijrahDate, String expected)384     public void test_toString(ChronoLocalDate hijrahDate, String expected) {
385         assertEquals(hijrahDate.toString(), expected);
386     }
387 
388     // Data provider for maximum number of days
389     @DataProvider(name="monthDays")
data_monthDays()390     Object[][] data_monthDays() {
391         return new Object[][] {
392             {1432, 1, 29},
393             {1432, 4, 30},
394             {1433, 12, 29},
395             {1434, 1, 29},
396             {1435, 8, 29},
397             {1435, 9, 30},
398         };
399     }
400 
401     // Test to verify the maximum number of days by adding one month to a given date
402     @Test (dataProvider="monthDays")
test_valueRange_monthDays(int year, int month, int maxlength)403     public void test_valueRange_monthDays(int year, int month, int maxlength) {
404         ChronoLocalDate date = HijrahChronology.INSTANCE.date(year, month, 1);
405         ValueRange range = null;
406         for (int i=1; i<=12; i++) {
407             range = date.range(ChronoField.DAY_OF_MONTH);
408             date = date.plus(1, ChronoUnit.MONTHS);
409             assertEquals(range.getMaximum(), month, maxlength);
410         }
411     }
412 
413     // Test to get the last day of the month by adjusting the date with lastDayOfMonth() method
414     @Test(dataProvider="monthDays")
test_lastDayOfMonth(int year, int month, int numDays)415     public void test_lastDayOfMonth(int year, int month, int numDays) {
416         HijrahDate hDate = HijrahChronology.INSTANCE.date(year, month, 1);
417         hDate = hDate.with(TemporalAdjusters.lastDayOfMonth());
418         assertEquals(hDate.get(ChronoField.DAY_OF_MONTH), numDays);
419     }
420 
421     // Data provider for the 12 islamic month names in a formatted date
422     @DataProvider(name="patternMonthNames")
data_patternMonthNames()423     Object[][] data_patternMonthNames() {
424         return new Object[][] {
425             {1434, 1, 1, "01 AH Thu Muharram 1434"},
426             {1434, 2, 1, "01 AH Fri Safar 1434"},
427             {1434, 3, 1, "01 AH Sun Rabi\u02bb I 1434"},//the actual month name is Rabi Al-Awwal, but the locale data contains short form.
428             {1434, 4, 1, "01 AH Mon Rabi\u02bb II 1434"},//the actual month name is Rabi Al-Akhar, but the locale data contains short form.
429             {1434, 5, 1, "01 AH Wed Jumada I 1434"},//the actual month name is Jumada Al-Awwal, but the locale data contains short form.
430             {1434, 6, 1, "01 AH Thu Jumada II 1434"},//the actual month name is Jumada Al-Akhar, but the locale data contains short form.
431             {1434, 7, 1, "01 AH Sat Rajab 1434"},
432             {1434, 8, 1, "01 AH Mon Sha\u02bbban 1434"},
433             {1434, 9, 1, "01 AH Tue Ramadan 1434"},
434             {1434, 10, 1, "01 AH Thu Shawwal 1434"},
435             {1434, 11, 1, "01 AH Sat Dhu\u02bbl-Qi\u02bbdah 1434"},
436             {1434, 12, 1, "01 AH Sun Dhu\u02bbl-Hijjah 1434"},
437         };
438     }
439 
440     // Test to verify the formatted dates
441     @Test(dataProvider="patternMonthNames")
test_ofPattern(int year, int month, int day, String expected)442     public void test_ofPattern(int year, int month, int day, String expected) {
443         DateTimeFormatter test = DateTimeFormatter.ofPattern("dd G E MMMM yyyy", Locale.US);
444         assertEquals(test.format(HijrahDate.of(year, month, day)), expected);
445     }
446 
447     // Data provider for localized dates
448     @DataProvider(name="chronoDateTimes")
data_chronodatetimes()449    Object[][] data_chronodatetimes() {
450         return new Object[][] {
451             {1432, 12, 29, "Safar 1, 1434 AH"},
452             {1433, 1, 30, "Safar 30, 1434 AH"},
453             {1434, 6, 30, "Rajab 30, 1435 AH"},
454         };
455     }
456 
457     // Test to verify the localized dates using ofLocalizedDate() method
458     @Test(dataProvider="chronoDateTimes")
test_formatterOfLocalizedDate(int year, int month, int day, String expected)459     public void test_formatterOfLocalizedDate(int year, int month, int day, String expected) {
460         HijrahDate hd = HijrahChronology.INSTANCE.date(year, month, day);
461         ChronoLocalDateTime<HijrahDate> hdt = hd.atTime(LocalTime.NOON);
462         hdt = hdt.plus(1, ChronoUnit.YEARS);
463         hdt = hdt.plus(1, ChronoUnit.MONTHS);
464         hdt = hdt.plus(1, ChronoUnit.DAYS);
465         hdt = hdt.plus(1, ChronoUnit.HOURS);
466         hdt = hdt.plus(1, ChronoUnit.MINUTES);
467         hdt = hdt.plus(1, ChronoUnit.SECONDS);
468         DateTimeFormatter df = DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG).withChronology(Chronology.of("Hijrah-umalqura")).withLocale(Locale.US);
469         assertEquals(df.format(hdt), expected);
470     }
471 
472     // Data provider to get the day of the week in a given date
473     // The day of the week varies if the week starts with a saturday or sunday
474     @DataProvider(name="dayOfWeek")
data_dayOfweek()475     Object[][] data_dayOfweek() {
476         return new Object[][] {
477             {HijrahDate.of(1434, 6, 24), 1, 7},
478             {HijrahDate.of(1432, 9, 3), 5, 4},
479             {HijrahDate.of(1334, 12, 29), 7, 6},
480             {HijrahDate.of(1354, 5, 24), 1, 7},
481             {HijrahDate.of(1465, 10, 2), 2, 1},
482         };
483     }
484 
485     // Test to get the day of the week based on a Saturday/Sunday as the first day of the week
486     @Test(dataProvider="dayOfWeek")
test_dayOfWeek(HijrahDate date, int satStart, int sunStart)487     public void test_dayOfWeek(HijrahDate date, int satStart, int sunStart) {
488         assertEquals(date.get(WeekFields.of(DayOfWeek.SATURDAY, 7).dayOfWeek()), satStart);
489         assertEquals(date.get(WeekFields.of(DayOfWeek.SUNDAY, 7).dayOfWeek()), sunStart);
490     }
491 
492     // Data sample to get the epoch days of a date instance
493     @DataProvider(name="epochDays")
data_epochdays()494     Object[][] data_epochdays() {
495         return new Object[][] {
496             {1332, -20486},
497             {1334, -19777},
498             {1336, -19068},
499             {1432, 14950},
500             {1434, 15659},
501             {1534, 51096},
502             {1535, 51450},
503         };
504     }
505 
506     // Test to verify the number of epoch days of a date instance
507     @Test(dataProvider="epochDays")
test_epochDays(int y, long epoch)508     public void test_epochDays(int y, long epoch) {
509         HijrahDate date = HijrahDate.of(y, 1, 1);
510         assertEquals(date.toEpochDay(), epoch);
511     }
512 
513     // Data provider to verify whether a given hijrah year is a leap year or not
514     @DataProvider(name="leapYears")
data_leapyears()515     Object[][] data_leapyears() {
516         return new Object[][] {
517             {1302, true},
518             {1305, false},
519             {1315, false},
520             {1534, false},
521             {1411, true},
522             {1429, false},
523             {1433, true},
524             {1443, true},
525         };
526     }
527 
528     // Test to verify whether a given hijrah year is a leap year or not
529     @Test(dataProvider="leapYears")
test_leapYears(int y, boolean leapyear)530     public void test_leapYears(int y, boolean leapyear) {
531         HijrahDate date = HijrahDate.of(y, 1, 1);
532         assertEquals(date.isLeapYear(), leapyear);
533     }
534 
535     // Data provider to verify that a given hijrah year is outside the range of supported years
536     // The values are dependent on the currently configured UmmAlQura calendar data
537     @DataProvider(name="OutOfRangeLeapYears")
data_invalid_leapyears()538     Object[][] data_invalid_leapyears() {
539         return new Object[][] {
540                 {1299},
541                 {1601},
542                 {Integer.MAX_VALUE},
543                 {Integer.MIN_VALUE},
544         };
545     }
546 
547     @Test(dataProvider="OutOfRangeLeapYears")
test_notLeapYears(int y)548     public void test_notLeapYears(int y) {
549         assertFalse(HijrahChronology.INSTANCE.isLeapYear(y), "Out of range leap year");
550     }
551 
552 
553     // Date samples to convert HijrahDate to LocalDate and vice versa
554     @DataProvider(name="samples")
data_samples()555     Object[][] data_samples() {
556         return new Object[][] {
557             {HijrahChronology.INSTANCE.date(1319, 12, 30), LocalDate.of(1902, 4, 9)},
558             {HijrahChronology.INSTANCE.date(1320, 1, 1), LocalDate.of(1902, 4, 10)},
559             {HijrahChronology.INSTANCE.date(1321, 12, 30), LocalDate.of(1904, 3, 18)},
560             {HijrahChronology.INSTANCE.date(1433, 7, 29), LocalDate.of(2012, 6, 19)},
561             {HijrahChronology.INSTANCE.date(1434, 10, 12), LocalDate.of(2013, 8, 19)},
562             {HijrahChronology.INSTANCE.date(1500, 3, 3), LocalDate.of(2077, 1, 28)},
563         };
564     }
565 
566     // Test to get LocalDate instance from a given HijrahDate
567     @Test(dataProvider="samples")
test_toLocalDate(ChronoLocalDate hijrahDate, LocalDate iso)568     public void test_toLocalDate(ChronoLocalDate hijrahDate, LocalDate iso) {
569         assertEquals(LocalDate.from(hijrahDate), iso);
570     }
571 
572     // Test to adjust HijrahDate with a given LocalDate
573     @Test(dataProvider="samples")
test_adjust_toLocalDate(ChronoLocalDate hijrahDate, LocalDate iso)574     public void test_adjust_toLocalDate(ChronoLocalDate hijrahDate, LocalDate iso) {
575         assertEquals(hijrahDate.with(iso), hijrahDate);
576     }
577 
578     // Test to get a HijrahDate from a calendrical
579     @Test(dataProvider="samples")
test_fromCalendrical(ChronoLocalDate hijrahDate, LocalDate iso)580     public void test_fromCalendrical(ChronoLocalDate hijrahDate, LocalDate iso) {
581         assertEquals(HijrahChronology.INSTANCE.date(iso), hijrahDate);
582     }
583 
584     // Test to verify the day of week of a given HijrahDate and LocalDate
585     @Test(dataProvider="samples")
test_dayOfWeekEqualIsoDayOfWeek(ChronoLocalDate hijrahDate, LocalDate iso)586     public void test_dayOfWeekEqualIsoDayOfWeek(ChronoLocalDate hijrahDate, LocalDate iso) {
587         assertEquals(hijrahDate.get(ChronoField.DAY_OF_WEEK), iso.get(ChronoField.DAY_OF_WEEK), "Hijrah day of week should be same as ISO day of week");
588     }
589 
590     // Test to get the local date by applying the MIN adjustment with hijrah date
591     @Test(dataProvider="samples")
test_LocalDate_adjustToHijrahDate(ChronoLocalDate hijrahDate, LocalDate localDate)592     public void test_LocalDate_adjustToHijrahDate(ChronoLocalDate hijrahDate, LocalDate localDate) {
593         LocalDate test = LocalDate.MIN.with(hijrahDate);
594         assertEquals(test, localDate);
595     }
596 
597     // Test to get the local date time by applying the MIN adjustment with hijrah date
598     @Test(dataProvider="samples")
test_LocalDateTime_adjustToHijrahDate(ChronoLocalDate hijrahDate, LocalDate localDate)599     public void test_LocalDateTime_adjustToHijrahDate(ChronoLocalDate hijrahDate, LocalDate localDate) {
600         LocalDateTime test = LocalDateTime.MIN.with(hijrahDate);
601         assertEquals(test, LocalDateTime.of(localDate, LocalTime.MIDNIGHT));
602     }
603 
604     // Sample dates for comparison
605     @DataProvider(name="datesForComparison")
data_datesForComparison()606     Object[][] data_datesForComparison() {
607         return new Object[][] {
608             {HijrahChronology.INSTANCE.date(1434, 6, 26), LocalDate.of(2013, 5, 5), -1, 1},
609             {HijrahChronology.INSTANCE.date(1433, 4, 15), LocalDate.of(2012, 3, 15), 1, -1},
610             {HijrahChronology.INSTANCE.date(1432, 5, 21), LocalDate.of(2011, 4, 22), -1, 1},
611             {HijrahChronology.INSTANCE.date(1433, 7, 29), LocalDate.of(2012, 6, 2), -1, 1},
612             {HijrahChronology.INSTANCE.date(1434, 10, 12), LocalDate.of(2013, 8, 2), -1, 1},
613         };
614     }
615 
616     // Test to compare dates in both forward and reverse order
617     @Test(dataProvider="datesForComparison")
test_compareDates(HijrahDate hdate, LocalDate ldate, int result1, int result2)618     public void test_compareDates(HijrahDate hdate, LocalDate ldate, int result1, int result2) {
619         assertEquals(ldate.compareTo(hdate), result1);
620         assertEquals(hdate.compareTo(ldate), result2);
621     }
622 
623     // Test to verify the values of various chrono fields for a given hijrah date instance
624     @Test
test_chronoFields()625     public void test_chronoFields() {
626         ChronoLocalDate hdate = HijrahChronology.INSTANCE.date(1434, 6, 28);
627         assertEquals(hdate.get(ChronoField.ALIGNED_DAY_OF_WEEK_IN_MONTH), 3);
628         assertEquals(hdate.get(ChronoField.ALIGNED_DAY_OF_WEEK_IN_YEAR), 7);
629         assertEquals(hdate.get(ChronoField.ALIGNED_WEEK_OF_MONTH), 4);
630         assertEquals(hdate.get(ChronoField.ALIGNED_WEEK_OF_YEAR), 25);
631         assertEquals(hdate.get(ChronoField.ERA), 1);
632         assertEquals(hdate.get(ChronoField.YEAR_OF_ERA), 1434);
633         assertEquals(hdate.get(ChronoField.MONTH_OF_YEAR), 6);
634         assertEquals(hdate.get(ChronoField.DAY_OF_MONTH), 28);
635         assertEquals(hdate.get(ChronoField.DAY_OF_WEEK), 3);
636         assertEquals(hdate.get(ChronoField.DAY_OF_YEAR), 175);
637     }
638 
639     // Test to verify the returned hijrah date after adjusting the day of week as Saturday
640     @Test
test_adjustInto()641     public void test_adjustInto() {
642         assertEquals(DayOfWeek.SATURDAY.adjustInto(HijrahDate.of(1434, 6, 28)), HijrahDate.of(1434, 7, 1));
643         assertEquals(DayOfWeek.SATURDAY.adjustInto(HijrahDate.of(1432, 4, 13)), HijrahDate.of(1432, 4, 14));
644         assertEquals(DayOfWeek.SATURDAY.adjustInto(HijrahDate.of(1433, 11, 29)), HijrahDate.of(1433, 12, 4));
645         assertEquals(DayOfWeek.SATURDAY.adjustInto(HijrahDate.of(1434, 5, 10)), HijrahDate.of(1434, 5, 11));
646         assertEquals(DayOfWeek.SATURDAY.adjustInto(HijrahDate.of(1434, 9, 11)), HijrahDate.of(1434, 9, 12));
647     }
648 
649     //-----------------------------------------------------------------------
650     // zonedDateTime(TemporalAccessor)
651     //-----------------------------------------------------------------------
652     @DataProvider(name="zonedDateTime")
data_zonedDateTime()653     Object[][] data_zonedDateTime() {
654         return new Object[][] {
655             {ZonedDateTime.of(2012, 2, 29, 2, 7, 1, 1, ZONE_RIYADH), HijrahChronology.INSTANCE.date(1433, 4, 7), LocalTime.of(2, 7, 1, 1), null},
656             {OffsetDateTime.of(2012, 2, 29, 2, 7, 1, 1, OFFSET_PTWO), HijrahChronology.INSTANCE.date(1433, 4, 7), LocalTime.of(2, 7, 1, 1), null},
657             {LocalDateTime.of(2012, 2, 29, 2, 7), null, null, DateTimeException.class},
658             {JapaneseDate.of(2012, 2, 29), null, null, DateTimeException.class},
659             {ThaiBuddhistDate.of(2012 + 543, 2, 29), null, null, DateTimeException.class},
660             {LocalDate.of(2012, 2, 29), null, null, DateTimeException.class},
661             {LocalTime.of(20, 30, 29, 0), null, null, DateTimeException.class},
662         };
663     }
664 
665     // Test to check the zoned date times
666     @Test(dataProvider="zonedDateTime")
test_zonedDateTime(TemporalAccessor accessor, HijrahDate expectedDate, LocalTime expectedTime, Class<?> expectedEx)667     public void test_zonedDateTime(TemporalAccessor accessor,  HijrahDate expectedDate, LocalTime expectedTime, Class<?> expectedEx) {
668         if (expectedEx == null) {
669             ChronoZonedDateTime<HijrahDate> result = HijrahChronology.INSTANCE.zonedDateTime(accessor);
670             assertEquals(result.toLocalDate(), expectedDate);
671             assertEquals(HijrahDate.from(accessor), expectedDate);
672             assertEquals(result.toLocalTime(), expectedTime);
673 
674         } else {
675             try {
676                 ChronoZonedDateTime<HijrahDate> result = HijrahChronology.INSTANCE.zonedDateTime(accessor);
677                 fail();
678             } catch (Exception ex) {
679                 assertTrue(expectedEx.isInstance(ex));
680             }
681         }
682     }
683 
684     //-----------------------------------------------------------------------
685     // zonedDateTime(Instant, ZoneId )
686     //-----------------------------------------------------------------------
687     @Test
test_Instant_zonedDateTime()688     public void test_Instant_zonedDateTime() {
689         OffsetDateTime offsetDateTime = OffsetDateTime.of(2012, 2, 29, 2, 7, 1, 1, OFFSET_PTWO);
690         ZonedDateTime zonedDateTime = ZonedDateTime.of(2012, 2, 29, 2, 7, 1, 1, ZONE_RIYADH);
691 
692         ChronoZonedDateTime<HijrahDate> result = HijrahChronology.INSTANCE.zonedDateTime(offsetDateTime.toInstant(), offsetDateTime.getOffset());
693         assertEquals(result.toLocalDate(), HijrahChronology.INSTANCE.date(1433, 4, 7));
694         assertEquals(result.toLocalTime(), LocalTime.of(2, 7, 1, 1));
695 
696         result = HijrahChronology.INSTANCE.zonedDateTime(zonedDateTime.toInstant(), zonedDateTime.getOffset());
697         assertEquals(result.toLocalDate(), HijrahChronology.INSTANCE.date(1433, 4, 7));
698         assertEquals(result.toLocalTime(), LocalTime.of(2, 7, 1, 1));
699     }
700 
701     //-----------------------------------------------------------------------
702     // localDateTime()
703     //-----------------------------------------------------------------------
704     @DataProvider(name="localDateTime")
data_localDateTime()705     Object[][] data_localDateTime() {
706         return new Object[][] {
707             {LocalDateTime.of(2012, 2, 29, 2, 7), HijrahChronology.INSTANCE.date(1433, 4, 7), LocalTime.of(2, 7), null},
708             {ZonedDateTime.of(2012, 2, 29, 2, 7, 1, 1, ZONE_RIYADH), HijrahChronology.INSTANCE.date(1433, 4, 7), LocalTime.of(2, 7, 1, 1), null},
709             {OffsetDateTime.of(2012, 2, 29, 2, 7, 1, 1, OFFSET_PTWO), HijrahChronology.INSTANCE.date(1433, 4, 7), LocalTime.of(2, 7, 1, 1), null},
710             {JapaneseDate.of(2012, 2, 29), null, null, DateTimeException.class},
711             {ThaiBuddhistDate.of(2012 + 543, 2, 29), null, null, DateTimeException.class},
712             {LocalDate.of(2012, 2, 29), null, null, DateTimeException.class},
713             {LocalTime.of(20, 30, 29, 0), null, null, DateTimeException.class},
714         };
715     }
716 
717     // Test to verify local date time values from various date instances defined in the localDateTime data provider
718     @Test(dataProvider="localDateTime")
test_localDateTime(TemporalAccessor accessor, HijrahDate expectedDate, LocalTime expectedTime, Class<?> expectedEx)719     public void test_localDateTime(TemporalAccessor accessor,  HijrahDate expectedDate, LocalTime expectedTime, Class<?> expectedEx) {
720         if (expectedEx == null) {
721             ChronoLocalDateTime<HijrahDate> result = HijrahChronology.INSTANCE.localDateTime(accessor);
722             assertEquals(result.toLocalDate(), expectedDate);
723             assertEquals(HijrahDate.from(accessor), expectedDate);
724             assertEquals(result.toLocalTime(), expectedTime);
725         } else {
726             try {
727                 ChronoLocalDateTime<HijrahDate> result = HijrahChronology.INSTANCE.localDateTime(accessor);
728                 fail();
729             } catch (Exception ex) {
730                 assertTrue(expectedEx.isInstance(ex));
731             }
732         }
733     }
734 
735     // Sample Hijrah & Minguo Dates
736     @DataProvider(name="hijrahToMinguo")
data_hijrahToMinguo()737     Object[][] data_hijrahToMinguo() {
738         return new Object[][] {
739             {HijrahDate.of(1350,5,15), MinguoDate.of(20,9,28)},
740             {HijrahDate.of(1434,5,1), MinguoDate.of(102,3,13)},
741             {HijrahDate.of(1436,1,1), MinguoDate.of(103,10,25)},
742             {HijrahDate.of(1500,6,12), MinguoDate.of(166,5,5)},
743             {HijrahDate.of(1550,3,11), MinguoDate.of(214,8,11)},
744         };
745     }
746 
747     // Test to verify the date conversion from Hijrah to Minguo chronology
748     @Test(dataProvider="hijrahToMinguo")
test_hijrahToMinguo(HijrahDate hijrah, MinguoDate minguo)749     public void test_hijrahToMinguo(HijrahDate hijrah, MinguoDate minguo) {
750         assertEquals(MinguoChronology.INSTANCE.date(hijrah), minguo);
751     }
752 
753     // Sample Hijrah & Thai Dates
754     @DataProvider(name="hijrahToThai")
data_hijrahToThai()755     Object[][] data_hijrahToThai() {
756         return new Object[][] {
757             {HijrahDate.of(1350,5,15), ThaiBuddhistDate.of(2474,9,28)},
758             {HijrahDate.of(1434,5,1), ThaiBuddhistDate.of(2556,3,13)},
759             {HijrahDate.of(1436,1,1), ThaiBuddhistDate.of(2557,10,25)},
760             {HijrahDate.of(1500,6,12), ThaiBuddhistDate.of(2620,5,5)},
761             {HijrahDate.of(1550,3,11), ThaiBuddhistDate.of(2668,8,11)},
762         };
763     }
764 
765     // Test to verify the date conversion from Hijrah to Thai chronology
766     @Test(dataProvider="hijrahToThai")
test_hijrahToThai(HijrahDate hijrah, ThaiBuddhistDate thai)767     public void test_hijrahToThai(HijrahDate hijrah, ThaiBuddhistDate thai) {
768         assertEquals(ThaiBuddhistChronology.INSTANCE.date(hijrah), thai);
769     }
770 
771     // Sample Hijrah & Japanese Dates
772     @DataProvider(name="hijrahToJapanese")
data_hijrahToJapanese()773     Object[][] data_hijrahToJapanese() {
774         return new Object[][] {
775             {HijrahDate.of(1350,5,15), "Japanese Showa 6-09-28"},
776             {HijrahDate.of(1434,5,1), "Japanese Heisei 25-03-13"},
777             {HijrahDate.of(1436,1,1), "Japanese Heisei 26-10-25"},
778             {HijrahDate.of(1440,8,25), "Japanese Heisei 31-04-30"},
779             {HijrahDate.of(1440,8,26), "Japanese Reiwa 1-05-01"},
780             {HijrahDate.of(1500,6,12), "Japanese Reiwa 59-05-05"},
781             {HijrahDate.of(1550,3,11), "Japanese Reiwa 107-08-11"},
782         };
783     }
784 
785     // Test to verify the date conversion from Hijrah to Japanese chronology
786     @Test(dataProvider="hijrahToJapanese")
test_hijrahToJapanese(HijrahDate hijrah, String japanese)787       public void test_hijrahToJapanese(HijrahDate hijrah, String japanese) {
788           assertEquals(JapaneseChronology.INSTANCE.date(hijrah).toString(), japanese);
789     }
790 }
791