[Temporal] Add Calendar.prototype.daysInWeek

Spec Text:
https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.daysinweek

Note- this is only the non-intl version. intl version in
https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.daysinweek
will be implemented in later cl.

Bug: v8:11544
Change-Id: If54733ae7c902b4d189fc22b0800942f8748981c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3439186Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79721}

src/builtins/builtins-temporal.cc

@@ -320,8 +320,6 @@ TO_BE_IMPLEMENTED(TemporalCalendarPrototypeMonthCode)
 TO_BE_IMPLEMENTED(TemporalCalendarPrototypeDay)
 /* Temporal #sec-temporal.calendar.prototype.weekofyear */
 TO_BE_IMPLEMENTED(TemporalCalendarPrototypeWeekOfYear)
-/* Temporal #sec-temporal.calendar.prototype.daysinweek */
-TO_BE_IMPLEMENTED(TemporalCalendarPrototypeDaysInWeek)
 /* Temporal #sec-temporal.calendar.prototype.mergefields */
 TO_BE_IMPLEMENTED(TemporalCalendarPrototypeMergeFields)
 /* Temporal #sec-temporal.calendar.prototype.tojson */
@@ -789,6 +787,7 @@ TEMPORAL_GET_BIGINT_AFTER_DIVID(Instant, EpochMicroseconds, nanoseconds, 1000,
 TEMPORAL_CONSTRUCTOR1(Calendar)
 TEMPORAL_ID_BY_TO_STRING(Calendar)
 TEMPORAL_PROTOTYPE_METHOD1(Calendar, DaysInMonth, daysInMonth)
+TEMPORAL_PROTOTYPE_METHOD1(Calendar, DaysInWeek, daysInWeek)
 TEMPORAL_PROTOTYPE_METHOD1(Calendar, DaysInYear, daysInYear)
 TEMPORAL_PROTOTYPE_METHOD1(Calendar, DayOfWeek, dayOfWeek)
 TEMPORAL_PROTOTYPE_METHOD1(Calendar, DayOfYear, dayOfYear)

src/objects/js-temporal-objects.cc

@@ -5089,6 +5089,26 @@ MaybeHandle<Oddball> JSTemporalCalendar::InLeapYear(
   return isolate->factory()->ToBoolean(IsISOLeapYear(isolate, year));
 }
 
+// #sec-temporal.calendar.prototype.daysinweek
+MaybeHandle<Smi> JSTemporalCalendar::DaysInWeek(
+    Isolate* isolate, Handle<JSTemporalCalendar> calendar,
+    Handle<Object> temporal_date_like) {
+  // 1. Let calendar be the this value.
+  // 2. Perform ? RequireInternalSlot(calendar,
+  // [[InitializedTemporalCalendar]]).
+  // 3. Assert: calendar.[[Identifier]] is "iso8601".
+  // 4. Perform ? ToTemporalDate(temporalDateLike).
+  Handle<JSTemporalPlainDate> date;
+  ASSIGN_RETURN_ON_EXCEPTION(
+      isolate, date,
+      ToTemporalDate(isolate, temporal_date_like,
+                     isolate->factory()->NewJSObjectWithNullProto(),
+                     "Temporal.Calendar.prototype.daysInWeek"),
+      Smi);
+  // 5. Return 7𝔽.
+  return handle(Smi::FromInt(7), isolate);
+}
+
 // #sec-temporal.calendar.prototype.tostring
 MaybeHandle<String> JSTemporalCalendar::ToString(
     Isolate* isolate, Handle<JSTemporalCalendar> calendar,

src/objects/js-temporal-objects.h

@@ -87,6 +87,11 @@ class JSTemporalCalendar
       Isolate* isolate, Handle<JSTemporalCalendar> calendar,
       Handle<Object> temporal_date_like);
 
+  // #sec-temporal.calendar.prototype.daysinweek
+  V8_WARN_UNUSED_RESULT static MaybeHandle<Smi> DaysInWeek(
+      Isolate* isolate, Handle<JSTemporalCalendar> calendar,
+      Handle<Object> temporal_date_like);
+
   // #sec-temporal.calendar.prototype.tostring
   static MaybeHandle<String> ToString(Isolate* isolate,
                                       Handle<JSTemporalCalendar> calendar,

test/mjsunit/mjsunit.status

@@ -48,7 +48,6 @@
   'temporal/calendar-date-from-fields': [FAIL],
   'temporal/calendar-date-until': [FAIL],
   'temporal/calendar-day': [FAIL],
-  'temporal/calendar-days-in-week': [FAIL],
   'temporal/calendar-fields': [FAIL],
   'temporal/calendar-merge-fields': [FAIL],
   'temporal/calendar-month': [FAIL],

test/test262/test262.status

@@ -500,20 +500,10 @@
   'built-ins/Temporal/Calendar/prototype/daysInMonth/calendar-fields-iterable': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInMonth/calendar-temporal-object': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInMonth/infinity-throws-rangeerror': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-string-with-utc-designator': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-zoneddatetime-timezone-getoffsetnanosecondsfor-non-integer': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-zoneddatetime-timezone-getoffsetnanosecondsfor-not-callable': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-zoneddatetime-timezone-getoffsetnanosecondsfor-out-of-range': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-zoneddatetime-timezone-getoffsetnanosecondsfor-wrong-type': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInWeek/basic': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/branding': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInWeek/calendar-fields-iterable': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInWeek/calendar-temporal-object': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/date': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/date-time': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInWeek/infinity-throws-rangeerror': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/string': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/throw-range-error-ToTemporalDate': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInYear/basic': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInYear/calendar-fields-iterable': [FAIL],
   'built-ins/Temporal/Calendar/prototype/daysInYear/calendar-temporal-object': [FAIL],
@@ -933,7 +923,6 @@
   'built-ins/Temporal/PlainDate/prototype/add/subclassing-ignored': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/dayOfWeek/basic': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/dayOfYear/basic': [FAIL],
-  'built-ins/Temporal/PlainDate/prototype/daysInWeek/basic': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/equals/argument-object-invalid': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/equals/argument-object-valid': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/equals/argument-plaindatetime': [FAIL],
@@ -2648,7 +2637,6 @@
   'built-ins/Temporal/Calendar/prototype/dateAdd/argument-string-invalid': [FAIL],
   'built-ins/Temporal/Calendar/prototype/dateUntil/argument-string-invalid': [FAIL],
   'built-ins/Temporal/Calendar/prototype/day/argument-string-invalid': [FAIL],
-  'built-ins/Temporal/Calendar/prototype/daysInWeek/argument-string-invalid': [FAIL],
   'built-ins/Temporal/Calendar/prototype/month/argument-string-invalid': [FAIL],
   'built-ins/Temporal/Calendar/prototype/monthCode/argument-string-invalid': [FAIL],
   'built-ins/Temporal/Calendar/prototype/weekOfYear/argument-string-invalid': [FAIL],
@@ -2697,7 +2685,6 @@
   'built-ins/Temporal/PlainDateTime/prototype/add/negative-duration': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/add/options-empty': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/add/options-invalid': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/daysInWeek/basic': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/equals/argument-object-insufficient-data': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/equals/basic': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/equals/cast': [FAIL],