test/java/time/tck/java/time/chrono/CopticDate.java

*** 85,95 ****
   *
   * <h4>Implementation notes</h4>
   * This class is immutable and thread-safe.
   */
  public final class CopticDate
!         implements ChronoLocalDate<CopticDate>, Serializable {
  
      /**
       * Serialization version.
       */
      private static final long serialVersionUID = -7920528871688876868L;
--- 85,95 ----
   *
   * <h4>Implementation notes</h4>
   * This class is immutable and thread-safe.
   */
  public final class CopticDate
!         implements ChronoLocalDate, Serializable {
  
      /**
       * Serialization version.
       */
      private static final long serialVersionUID = -7920528871688876868L;
*** 200,210 ****
                      case YEAR_OF_ERA: return (prolepticYear <= 0 ?
                              ValueRange.of(1, Year.MAX_VALUE + 1) : ValueRange.of(1, Year.MAX_VALUE));  // TODO
                  }
                  return getChronology().range(f);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field.getName());
          }
          return field.rangeRefinedBy(this);
      }
  
      @Override
--- 200,210 ----
                      case YEAR_OF_ERA: return (prolepticYear <= 0 ?
                              ValueRange.of(1, Year.MAX_VALUE + 1) : ValueRange.of(1, Year.MAX_VALUE));  // TODO
                  }
                  return getChronology().range(f);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
          }
          return field.rangeRefinedBy(this);
      }
  
      @Override
*** 222,232 ****
                  case MONTH_OF_YEAR: return month;
                  case YEAR_OF_ERA: return (prolepticYear >= 1 ? prolepticYear : 1 - prolepticYear);
                  case YEAR: return prolepticYear;
                  case ERA: return (prolepticYear >= 1 ? 1 : 0);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field.getName());
          }
          return field.getFrom(this);
      }
  
      @Override
--- 222,232 ----
                  case MONTH_OF_YEAR: return month;
                  case YEAR_OF_ERA: return (prolepticYear >= 1 ? prolepticYear : 1 - prolepticYear);
                  case YEAR: return prolepticYear;
                  case ERA: return (prolepticYear >= 1 ? 1 : 0);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
          }
          return field.getFrom(this);
      }
  
      @Override
*** 247,257 ****
                  case MONTH_OF_YEAR: return resolvePreviousValid(prolepticYear, nvalue, day);
                  case YEAR_OF_ERA: return resolvePreviousValid(prolepticYear >= 1 ? nvalue : 1 - nvalue, month, day);
                  case YEAR: return resolvePreviousValid(nvalue, month, day);
                  case ERA: return resolvePreviousValid(1 - prolepticYear, month, day);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field.getName());
          }
          return field.adjustInto(this, newValue);
      }
  
      //-----------------------------------------------------------------------
--- 247,257 ----
                  case MONTH_OF_YEAR: return resolvePreviousValid(prolepticYear, nvalue, day);
                  case YEAR_OF_ERA: return resolvePreviousValid(prolepticYear >= 1 ? nvalue : 1 - nvalue, month, day);
                  case YEAR: return resolvePreviousValid(nvalue, month, day);
                  case ERA: return resolvePreviousValid(1 - prolepticYear, month, day);
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
          }
          return field.adjustInto(this, newValue);
      }
  
      //-----------------------------------------------------------------------
*** 266,276 ****
                  case YEARS: return plusYears(amountToAdd);
                  case DECADES: return plusYears(Math.multiplyExact(amountToAdd, 10));
                  case CENTURIES: return plusYears(Math.multiplyExact(amountToAdd, 100));
                  case MILLENNIA: return plusYears(Math.multiplyExact(amountToAdd, 1000));
              }
!             throw new UnsupportedTemporalTypeException("Unsupported unit: " + unit.getName());
          }
          return unit.addTo(this, amountToAdd);
      }
  
      //-----------------------------------------------------------------------
--- 266,276 ----
                  case YEARS: return plusYears(amountToAdd);
                  case DECADES: return plusYears(Math.multiplyExact(amountToAdd, 10));
                  case CENTURIES: return plusYears(Math.multiplyExact(amountToAdd, 100));
                  case MILLENNIA: return plusYears(Math.multiplyExact(amountToAdd, 1000));
              }
!             throw new UnsupportedTemporalTypeException("Unsupported unit: " + unit);
          }
          return unit.addTo(this, amountToAdd);
      }
  
      //-----------------------------------------------------------------------
*** 295,320 ****
          }
          return CopticDate.ofEpochDay(Math.addExact(toEpochDay(), days));
      }
  
      @Override
!     public long periodUntil(Temporal endDateTime, TemporalUnit unit) {
          if (endDateTime instanceof ChronoLocalDate == false) {
              throw new DateTimeException("Unable to calculate period between objects of two different types");
          }
!         ChronoLocalDate<?> end = (ChronoLocalDate<?>) endDateTime;
          if (getChronology().equals(end.getChronology()) == false) {
              throw new DateTimeException("Unable to calculate period between two different chronologies");
          }
          if (unit instanceof ChronoUnit) {
!             return LocalDate.from(this).periodUntil(end, unit);  // TODO: this is wrong
          }
          return unit.between(this, endDateTime);
      }
  
      @Override
!     public Period periodUntil(ChronoLocalDate<?> endDate) {
          // TODO: untested
          CopticDate end = (CopticDate) getChronology().date(endDate);
          long totalMonths = (end.prolepticYear - this.prolepticYear) * 13 + (end.month - this.month);  // safe
          int days = end.day - this.day;
          if (totalMonths > 0 && days < 0) {
--- 295,320 ----
          }
          return CopticDate.ofEpochDay(Math.addExact(toEpochDay(), days));
      }
  
      @Override
!     public long until(Temporal endDateTime, TemporalUnit unit) {
          if (endDateTime instanceof ChronoLocalDate == false) {
              throw new DateTimeException("Unable to calculate period between objects of two different types");
          }
!         ChronoLocalDate end = (ChronoLocalDate) endDateTime;
          if (getChronology().equals(end.getChronology()) == false) {
              throw new DateTimeException("Unable to calculate period between two different chronologies");
          }
          if (unit instanceof ChronoUnit) {
!             return LocalDate.from(this).until(end, unit);  // TODO: this is wrong
          }
          return unit.between(this, endDateTime);
      }
  
      @Override
!     public Period until(ChronoLocalDate endDate) {
          // TODO: untested
          CopticDate end = (CopticDate) getChronology().date(endDate);
          long totalMonths = (end.prolepticYear - this.prolepticYear) * 13 + (end.month - this.month);  // safe
          int days = end.day - this.day;
          if (totalMonths > 0 && days < 0) {