[Temporal] Add PlainDateTime.prototype.toZonedDateTime

Spec Text:
https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype.tozoneddatetime

Bug: v8:11544
Change-Id: Ic4464e6d4521fb7e006164933df4f38c5d3115b1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3554666
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80685}

src/builtins/builtins-temporal.cc

@@ -110,8 +110,6 @@ TO_BE_IMPLEMENTED(TemporalPlainDateTimePrototypeToLocaleString)
 TO_BE_IMPLEMENTED(TemporalPlainDateTimePrototypeToString)
 /* Temporal #sec-temporal.plainddatetimeprototype.tojson */
 TO_BE_IMPLEMENTED(TemporalPlainDateTimePrototypeToJSON)
-/* Temporal #sec-temporal.plaindatetime.prototype.tozoneddatetime */
-TO_BE_IMPLEMENTED(TemporalPlainDateTimePrototypeToZonedDateTime)
 /* Temporal #sec-temporal.plaindatetime.prototype.toplaindate */
 TO_BE_IMPLEMENTED(TemporalPlainDateTimePrototypeToPlainDate)
 /* Temporal #sec-temporal.plaindatetime.prototype.toplaintime */
@@ -496,6 +494,7 @@ TEMPORAL_GET_SMI(PlainDateTime, Nanosecond, iso_nanosecond)
 TEMPORAL_METHOD2(PlainDateTime, From)
 TEMPORAL_PROTOTYPE_METHOD0(PlainDateTime, ToPlainYearMonth, toPlainYearMonth)
 TEMPORAL_PROTOTYPE_METHOD0(PlainDateTime, ToPlainMonthDay, toPlainMonthDay)
+TEMPORAL_PROTOTYPE_METHOD2(PlainDateTime, ToZonedDateTime, toZonedDateTime)
 TEMPORAL_PROTOTYPE_METHOD0(PlainDateTime, GetISOFields, getISOFields)
 TEMPORAL_VALUE_OF(PlainDateTime)
 

src/objects/js-temporal-objects.cc

@@ -8245,6 +8245,48 @@ MaybeHandle<JSTemporalPlainMonthDay> JSTemporalPlainDateTime::ToPlainMonthDay(
                                      isolate->factory()->monthCode_string());
 }
 
+// #sec-temporal.plaindatetime.prototype.tozoneddatetime
+MaybeHandle<JSTemporalZonedDateTime> JSTemporalPlainDateTime::ToZonedDateTime(
+    Isolate* isolate, Handle<JSTemporalPlainDateTime> date_time,
+    Handle<Object> temporal_time_zone_like, Handle<Object> options_obj) {
+  const char* method_name = "Temporal.PlainDateTime.prototype.toZonedDateTime";
+  // 1. Let dateTime be the this value.
+  // 2. Perform ? RequireInternalSlot(dateTime,
+  // [[InitializedTemporalDateTime]]).
+  // 3. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
+  Handle<JSReceiver> time_zone;
+  ASSIGN_RETURN_ON_EXCEPTION(isolate, time_zone,
+                             temporal::ToTemporalTimeZone(
+                                 isolate, temporal_time_zone_like, method_name),
+                             JSTemporalZonedDateTime);
+  // 4. Set options to ? GetOptionsObject(options).
+  Handle<JSReceiver> options;
+  ASSIGN_RETURN_ON_EXCEPTION(
+      isolate, options, GetOptionsObject(isolate, options_obj, method_name),
+      JSTemporalZonedDateTime);
+  // 5. Let disambiguation be ? ToTemporalDisambiguation(options).
+  Disambiguation disambiguation;
+  MAYBE_ASSIGN_RETURN_ON_EXCEPTION_VALUE(
+      isolate, disambiguation,
+      ToTemporalDisambiguation(isolate, options, method_name),
+      Handle<JSTemporalZonedDateTime>());
+
+  // 6. Let instant be ? BuiltinTimeZoneGetInstantFor(timeZone, dateTime,
+  // disambiguation).
+  Handle<JSTemporalInstant> instant;
+  ASSIGN_RETURN_ON_EXCEPTION(
+      isolate, instant,
+      BuiltinTimeZoneGetInstantFor(isolate, time_zone, date_time,
+                                   disambiguation, method_name),
+      JSTemporalZonedDateTime);
+
+  // 7. Return ? CreateTemporalZonedDateTime(instant.[[Nanoseconds]],
+  // timeZone, dateTime.[[Calendar]]).
+  return CreateTemporalZonedDateTime(
+      isolate, Handle<BigInt>(instant->nanoseconds(), isolate), time_zone,
+      Handle<JSReceiver>(date_time->calendar(), isolate));
+}
+
 // #sec-temporal.now.plaindatetime
 MaybeHandle<JSTemporalPlainDateTime> JSTemporalPlainDateTime::Now(
     Isolate* isolate, Handle<Object> calendar_like,

src/objects/js-temporal-objects.h

@@ -339,6 +339,12 @@ class JSTemporalPlainDateTime
   V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalPlainMonthDay>
   ToPlainMonthDay(Isolate* isolate, Handle<JSTemporalPlainDateTime> date_time);
 
+  // #sec-temporal.plaintime.prototype.tozoneddatetime
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalZonedDateTime>
+  ToZonedDateTime(Isolate* isolate, Handle<JSTemporalPlainDateTime> date_time,
+                  Handle<Object> temporal_time_zone_like,
+                  Handle<Object> options_obj);
+
   // #sec-temporal.plaindatetime.prototype.getisofields
   V8_WARN_UNUSED_RESULT static MaybeHandle<JSReceiver> GetISOFields(
       Isolate* isolate, Handle<JSTemporalPlainDateTime> date_time);

test/test262/test262.status

@@ -996,19 +996,10 @@
   'built-ins/Temporal/PlainDateTime/prototype/toString/smallestunit-valid-units': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toString/smallestunit-wrong-type': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toString/year-format': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/balance-negative-time-units': [SKIP],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/branding': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/disambiguation-invalid-string': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/disambiguation-undefined': [SKIP],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/disambiguation-wrong-type': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/options-undefined': [SKIP],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/plain-custom-timezone': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getoffsetnanosecondsfor-non-integer': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getoffsetnanosecondsfor-not-callable': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getoffsetnanosecondsfor-out-of-range': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getoffsetnanosecondsfor-wrong-type': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getpossibleinstantsfor-iterable': [SKIP],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-string-datetime': [FAIL],
+  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/balance-negative-time-units': [FAIL],
+  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/disambiguation-undefined': [FAIL],
+  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/options-undefined': [FAIL],
+  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-getpossibleinstantsfor-iterable': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-string-multiple-offsets': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-plaindate': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-string-with-utc-designator': [FAIL],
@@ -2252,7 +2243,6 @@
   'built-ins/Temporal/PlainDateTime/prototype/toString/roundingmode-halfExpand': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toString/roundingmode-trunc': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toString/smallestunit-fractionalseconddigits': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/options-wrong-type': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-object': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-string': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/options-empty': [FAIL],
@@ -2411,11 +2401,8 @@
   'built-ins/Temporal/PlainDateTime/prototype/since/argument-propertybag-calendar-wrong-type': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/since/argument-wrong-type': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/subtract/limits': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/basic': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/invalid-instant': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/multiple-instants': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/options-object': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-wrong-type': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-number': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-propertybag-calendar-number': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-propertybag-calendar-wrong-type': [FAIL],