[Temporal] Add ZonedDateTime withTimeZone

Bug: v8:11544
Change-Id: I72e005c0937418f4160e763edc4fd2b81b14b9c0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3385604
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78966}

src/builtins/builtins-temporal.cc

@@ -199,8 +199,6 @@ TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeWith)
 TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeWithPlainTime)
 /* Temporal #sec-temporal.zoneddatetime.prototype.withplaindate */
 TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeWithPlainDate)
-/* Temporal #sec-temporal.zoneddatetime.prototype.withtimezone */
-TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeWithTimeZone)
 /* Temporal #sec-temporal.zoneddatetime.prototype.add */
 TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeAdd)
 /* Temporal #sec-temporal.zoneddatetime.prototype.subtract */
@@ -744,6 +742,7 @@ TEMPORAL_ZONED_DATE_TIME_GET_INT_BY_FORWARD_TIME_ZONE(Microsecond,
 TEMPORAL_ZONED_DATE_TIME_GET_INT_BY_FORWARD_TIME_ZONE(Nanosecond,
                                                       iso_nanosecond)
 TEMPORAL_PROTOTYPE_METHOD1(ZonedDateTime, WithCalendar, withCalendar)
+TEMPORAL_PROTOTYPE_METHOD1(ZonedDateTime, WithTimeZone, withTimeZone)
 TEMPORAL_PROTOTYPE_METHOD0(ZonedDateTime, GetISOFields, getISOFields)
 TEMPORAL_VALUE_OF(ZonedDateTime)
 

src/objects/js-temporal-objects.cc

@@ -4230,6 +4230,30 @@ MaybeHandle<JSTemporalZonedDateTime> JSTemporalZonedDateTime::WithCalendar(
   return CreateTemporalZonedDateTime(isolate, nanoseconds, time_zone, calendar);
 }
 
+// #sec-temporal.zoneddatetime.prototype.withtimezone
+MaybeHandle<JSTemporalZonedDateTime> JSTemporalZonedDateTime::WithTimeZone(
+    Isolate* isolate, Handle<JSTemporalZonedDateTime> zoned_date_time,
+    Handle<Object> time_zone_like) {
+  TEMPORAL_ENTER_FUNC();
+  const char* method = "Temporal.ZonedDateTime.prototype.withTimeZone";
+  // 1. Let zonedDateTime be the this value.
+  // 2. Perform ? RequireInternalSlot(zonedDateTime,
+  // [[InitializedTemporalZonedDateTime]]).
+  // 3. Let timeZone be ? ToTemporalTimeZone(timeZoneLike).
+  Handle<JSReceiver> time_zone;
+  ASSIGN_RETURN_ON_EXCEPTION(
+      isolate, time_zone, ToTemporalTimeZone(isolate, time_zone_like, method),
+      JSTemporalZonedDateTime);
+
+  // 4. Return ? CreateTemporalZonedDateTime(zonedDateTime.[[Nanoseconds]],
+  // timeZone, zonedDateTime.[[Calendar]]).
+  Handle<BigInt> nanoseconds =
+      Handle<BigInt>(zoned_date_time->nanoseconds(), isolate);
+  Handle<JSReceiver> calendar =
+      Handle<JSReceiver>(zoned_date_time->calendar(), isolate);
+  return CreateTemporalZonedDateTime(isolate, nanoseconds, time_zone, calendar);
+}
+
 // #sec-temporal.zoneddatetime.prototype.getisofields
 MaybeHandle<JSReceiver> JSTemporalZonedDateTime::GetISOFields(
     Isolate* isolate, Handle<JSTemporalZonedDateTime> zoned_date_time) {

src/objects/js-temporal-objects.h

@@ -289,6 +289,12 @@ class JSTemporalZonedDateTime
                Handle<JSTemporalZonedDateTime> zoned_date_time,
                Handle<Object> calendar_like);
 
+  // #sec-temporal.zoneddatetime.prototype.withtimezone
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalZonedDateTime>
+  WithTimeZone(Isolate* isolate,
+               Handle<JSTemporalZonedDateTime> zoned_date_time,
+               Handle<Object> time_zone_like);
+
   // #sec-temporal.zoneddatetime.prototype.getisofields
   V8_WARN_UNUSED_RESULT static MaybeHandle<JSReceiver> GetISOFields(
       Isolate* isolate, Handle<JSTemporalZonedDateTime> zoned_date_time);

test/test262/test262.status

@@ -2424,7 +2424,6 @@
   'built-ins/Temporal/ZonedDateTime/prototype/with/read-time-fields-before-datefromfields': [FAIL],
   'built-ins/Temporal/ZonedDateTime/prototype/with/receiver-offset-broken': [FAIL],
   'built-ins/Temporal/ZonedDateTime/prototype/with/subclassing-ignored': [FAIL],
-  'built-ins/Temporal/ZonedDateTime/prototype/withTimeZone/branding': [FAIL],
   'built-ins/Temporal/ZonedDateTime/prototype/with/timezone-getoffsetnanosecondsfor-non-integer': [FAIL],
   'built-ins/Temporal/ZonedDateTime/prototype/with/timezone-getoffsetnanosecondsfor-not-callable': [FAIL],
   'built-ins/Temporal/ZonedDateTime/prototype/with/timezone-getoffsetnanosecondsfor-out-of-range': [FAIL],