test/java/time/test/java/time/chrono/TestExampleCode.java

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  37  *  * Redistributions in binary form must reproduce the above copyright notice,
  38  *    this list of conditions and the following disclaimer in the documentation
  39  *    and/or other materials provided with the distribution.
  40  *
  41  *  * Neither the name of JSR-310 nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  49  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  50  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  51  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  52  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  53  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  54  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  55  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  */
  57 package test.java.time.temporal;
  58 
  59 import static java.time.temporal.ChronoField.DAY_OF_MONTH;
  60 import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
  61 import static java.time.temporal.ChronoField.YEAR;
  62 import static java.time.temporal.ChronoField.YEAR_OF_ERA;
  63 
  64 import static org.testng.Assert.assertEquals;
  65 
  66 import java.util.Calendar;
  67 import java.util.GregorianCalendar;
  68 import java.util.TimeZone;
  69 
  70 import java.time.DayOfWeek;
  71 import java.time.LocalDate;
  72 import java.time.temporal.ChronoUnit;
  73 import java.time.temporal.ISOChrono;
  74 import java.time.temporal.WeekFields;
  75 import java.time.temporal.ChronoLocalDate;
  76 
  77 import org.testng.annotations.DataProvider;
  78 import org.testng.annotations.Test;
  79 
  80 /**
  81  * Test.

  82  */
  83 @Test
  84 public class TestISOChronoImpl {
  85 
  86     @DataProvider(name = "RangeVersusCalendar")
  87     Object[][] provider_rangeVersusCalendar() {
  88         return new Object[][]{
  89             {LocalDate.of(1900, 1, 4), LocalDate.of(2100, 1, 8)},
  90             //{LocalDate.of(1583, 1, 1), LocalDate.of(2100, 1, 1)},
  91         };
  92     }
  93 
  94     //-----------------------------------------------------------------------
  95     // Verify  ISO Calendar matches java.util.Calendar for range
  96     //-----------------------------------------------------------------------
  97     @Test(groups = {"implementation"}, dataProvider = "RangeVersusCalendar")
  98     public void test_ISOChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
  99         GregorianCalendar cal = new GregorianCalendar();
 100         assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
 101         ChronoLocalDate<ISOChrono> isoDate = ISOChrono.INSTANCE.date(isoStartDate);
 102 
 103         cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
 104         cal.set(Calendar.YEAR, isoDate.get(YEAR));
 105         cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
 106         cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));
 107 
 108         while (isoDate.isBefore(isoEndDate)) {
 109             assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
 110             assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
 111             assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);
 112 
 113             isoDate = isoDate.plus(1, ChronoUnit.DAYS);
 114             cal.add(Calendar.DAY_OF_MONTH, 1);
 115         }
 116     }
 117 
 118     //-----------------------------------------------------------------------
 119     // Verify  ISO Calendar matches java.util.Calendar
 120     // DayOfWeek, WeekOfMonth, WeekOfYear for range
 121     //-----------------------------------------------------------------------
 122     @Test(groups = {"implementation"}, dataProvider = "RangeVersusCalendar")
 123     public void test_DayOfWeek_ISOChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
 124         GregorianCalendar cal = new GregorianCalendar();
 125         assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
 126         ChronoLocalDate<ISOChrono> isoDate = ISOChrono.INSTANCE.date(isoStartDate);
 127 
 128         for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
 129             for (int minDays = 1; minDays <= 7; minDays++) {
 130                 WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
 131                 cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
 132                 cal.setMinimalDaysInFirstWeek(minDays);
 133 
 134                 cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
 135                 cal.set(Calendar.YEAR, isoDate.get(YEAR));
 136                 cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
 137                 cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));
 138 
 139                 while (isoDate.isBefore(isoEndDate)) {
 140                     assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
 141                     assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
 142                     assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);
 143                     int jDOW = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
 144                     int isoDOW = isoDate.get(weekDef.dayOfWeek());
 145                     if (jDOW != isoDOW) {
 146                         System.err.printf(" DOW vs Calendar jdow: %s, isoDate(DOW): %s, isoDate: %s, WeekDef: %s%n", jDOW, isoDOW, isoDate, weekDef);
 147                     }
 148                     assertEquals(jDOW, isoDOW, "Calendar DayOfWeek does not match ISO DayOfWeek");
 149 
 150                     int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
 151                     int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
 152                     if (jweekOfMonth != isoWeekOfMonth) {
 153                         System.err.printf(" WeekOfMonth jWeekOfMonth: %s, isoWeekOfMonth: %s,  isoDate: %s, %s%n",
 154                                 jweekOfMonth, isoWeekOfMonth, isoDate, weekDef);
 155                     }
 156                     assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");
 157 
 158                     int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
 159                     int isoWeekOfYear = isoDate.get(weekDef.weekOfYear());
 160                     if (jweekOfYear != isoWeekOfYear) {
 161                         // TBD: Issue #186 Remove misleading output pending resolution
 162                         // System.err.printf(" Mismatch WeekOfYear jweekOfYear: %s, isoWeekOfYear: %s, isoDate: %s, WeekDef: %s%n", jweekOfYear, isoWeekOfYear, isoDate, weekDef);
 163                     }
 164                     //assertEquals(jweekOfYear, isoWeekOfYear,  "Calendar WeekOfYear does not match ISO WeekOfYear");
 165 
 166                     isoDate = isoDate.plus(1, ChronoUnit.DAYS);
 167                     cal.add(Calendar.DAY_OF_MONTH, 1);
 168                 }
 169             }
 170         }



 171     }
 172 
 173     /**
 174      * Return the ISO Day of Week from a java.util.Calendr DAY_OF_WEEK.
 175      * @param the java.util.Calendar day of week (1=Sunday, 7=Saturday)
 176      * @return the ISO DayOfWeek


 177      */
 178     private DayOfWeek toISOfromCalendarDOW(int i) {
 179         return DayOfWeek.of(Math.floorMod(i - 2, 7) + 1);
 180     }
 181 }


  37  *  * Redistributions in binary form must reproduce the above copyright notice,
  38  *    this list of conditions and the following disclaimer in the documentation
  39  *    and/or other materials provided with the distribution.
  40  *
  41  *  * Neither the name of JSR-310 nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  49  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  50  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  51  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  52  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  53  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  54  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  55  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  */

  57 
  58 package test.java.time.chrono;



  59 
  60 import java.time.LocalTime;
  61 import java.time.chrono.HijrahDate;
  62 import java.time.chrono.ThaiBuddhistDate;
  63 import java.time.chrono.ChronoLocalDateTime;
  64 import java.time.chrono.ChronoLocalDate;
  65 import java.time.chrono.Chronology;
  66 import java.time.temporal.ChronoField;

  67 import java.time.temporal.ChronoUnit;
  68 import java.util.Set;


  69 

  70 import org.testng.annotations.Test;
  71 
  72 /**
  73  * Test case verify that the example code in the package-info.java compiles
  74  * and runs.
  75  */
  76 public class TestExampleCode {

  77 
  78     @Test
  79     public void test_chronoPackageExample() {
  80         // Print the Thai Buddhist date
  81         ChronoLocalDate<?> now1 = Chronology.of("ThaiBuddhist").dateNow();
  82         int day = now1.get(ChronoField.DAY_OF_MONTH);
  83         int dow = now1.get(ChronoField.DAY_OF_WEEK);
  84         int month = now1.get(ChronoField.MONTH_OF_YEAR);
  85         int year = now1.get(ChronoField.YEAR);
  86         System.out.printf("  Today is %s %s %d-%s-%d%n", now1.getChronology().getId(),
  87                 dow, day, month, year);
  88 
  89         // Enumerate the list of available calendars and print today for each
  90         Set<Chronology> chronos = Chronology.getAvailableChronologies();
  91         for (Chronology chrono : chronos) {
  92             ChronoLocalDate<?> date = chrono.dateNow();
  93             System.out.printf("   %20s: %s%n", chrono.getId(), date.toString());
  94         }
  95 
  96         // Print today's date and the last day of the year for the Thai Buddhist Calendar.
  97         ChronoLocalDate<?> first = now1
  98                 .with(ChronoField.DAY_OF_MONTH, 1)
  99                 .with(ChronoField.MONTH_OF_YEAR, 1);
 100         ChronoLocalDate<?> last = first
 101                 .plus(1, ChronoUnit.YEARS)
 102                 .minus(1, ChronoUnit.DAYS);
 103         System.out.printf("  %s: 1st of year: %s; end of year: %s%n", last.getChronology().getId(),
 104                 first, last);
 105     }
 106 
 107     @Test
 108     public void test_calendarPackageExample() {
 109 
 110         // Enumerate the list of available calendars and print today for each
 111         Set<Chronology> chronos = Chronology.getAvailableChronologies();
 112         for (Chronology chrono : chronos) {
 113             ChronoLocalDate<?> date = chrono.dateNow();
 114             System.out.printf("   %20s: %s%n", chrono.getId(), date.toString());
 115         }
 116 
 117         // Print the Thai Buddhist date
 118         ThaiBuddhistDate now1 = ThaiBuddhistDate.now();
 119         int day = now1.get(ChronoField.DAY_OF_MONTH);
 120         int dow = now1.get(ChronoField.DAY_OF_WEEK);
 121         int month = now1.get(ChronoField.MONTH_OF_YEAR);
 122         int year = now1.get(ChronoField.YEAR);
 123         System.out.printf("  Today is %s %s %d-%s-%d%n", now1.getChronology().getId(),
 124                 dow, day, month, year);
 125 
 126         // Print today's date and the last day of the year for the Thai Buddhist Calendar.
 127         ThaiBuddhistDate first = now1
 128                 .with(ChronoField.DAY_OF_MONTH, 1)
 129                 .with(ChronoField.MONTH_OF_YEAR, 1);
 130         ThaiBuddhistDate last = first
 131                 .plus(1, ChronoUnit.YEARS)
 132                 .minus(1, ChronoUnit.DAYS);
 133         System.out.printf("  %s: 1st of year: %s; end of year: %s%n", last.getChronology().getId(),
 134                 first, last);
 135     }
 136 
 137     @Test
 138     public void test_library() {
 139         HijrahDate date = HijrahDate.now();
 140         HijrahDate next = next(date);
 141         ChronoLocalDateTime<HijrahDate> noonTomorrow = tomorrowNoon(date);
 142         System.out.printf("  now: %s, noon tomorrow: %s%n", date, noonTomorrow);












 143     }

 144 
 145     /**
 146      * Simple function based on a date, returning a ChronoDate of the same type.
 147      * @param <D> a parameterized ChronoLocalDate
 148      * @param date a specific date extending ChronoLocalDate
 149      * @return a new date in the same chronology.
 150      */
 151     private <D extends ChronoLocalDate<D>> D next(D date) {
 152         return date.plus(1, ChronoUnit.DAYS);
 153     }
 154 
 155     /**
 156      * Simple function based on a date, returning a ChronoLocalDateTime of the
 157      * same chronology.
 158      * @param <D> a parameterized ChronoLocalDate
 159      * @param date a specific date extending ChronoLocalDate
 160      * @return a [@code ChronoLocalDateTime<D>} using the change chronology.
 161      */
 162     private <D extends ChronoLocalDate<D>> ChronoLocalDateTime<D> tomorrowNoon(D date) {
 163         return date.plus(1, ChronoUnit.DAYS).atTime(LocalTime.of(12, 0));
 164     }
 165 }