v8/test/test262
Frank Tang 1a5cfc20e1 [Temporal] Add toJSON, toString, and non-intl toLocaleString to Instant
Also add AOs: FormatISOTimeZoneOffsetString, TemporalInstantToString,
GetUnsignedRoundingMode, ApplyUnsignedRoundingMode, RoundTemporalInstant

Also update the RoundNumberToIncrement implementation and a BigInt version.

Fix the test setup in test/mjsunit/temporal/instant-to-json.js since fromEpochSeconds and fromEpochMilliseconds do not take BigInt

Spec Text:
https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.tojson
https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.tolocalestring
https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.tostring
https://tc39.es/proposal-temporal/#sec-temporal-temporalinstanttostring
https://tc39.es/proposal-temporal/#sec-temporal-formatisotimezoneoffsetstring
https://tc39.es/proposal-temporal/#sec-temporal-getunsignedroundingmode
https://tc39.es/proposal-temporal/#sec-temporal-applyunsignedroundingmode
https://tc39.es/proposal-temporal/#sec-temporal-roundtemporalinstant
https://tc39.es/proposal-temporal/#sec-temporal-roundnumbertoincrement

This does NOT implement the intl version of toLocaleString
specified in (notice the "sup" not "sec" after #) yet.
https://tc39.es/proposal-temporal/#sup-temporal.instant.prototype.tolocalestring

Bug: v8:11544
Change-Id: I807afd5bf550d2a65a4732a8e536056eea79cf8f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3696483
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81428}
2022-06-29 08:31:17 +00:00
..
local-tests/test Reland "[intl] Impl ECMA402 PR 471 rounding behavior" 2020-10-02 00:14:46 +00:00
BUILD.gn [infra] Fork test262-harness 2022-02-23 18:47:35 +00:00
detachArrayBuffer.js [typedarrays] Use Detach instead of Neuter 2018-12-11 11:57:30 +00:00
harness-adapt-donotevaluate.js [tools] Add FAIL_PHASE_ONLY status file modifier for test262 tests 2018-11-22 12:43:05 +00:00
harness-adapt.js [test262] Expose gc() to test262 harness 2019-07-23 14:09:05 +00:00
harness-agent.js [d8] Update new Worker API to match the Web API 2018-09-20 00:10:28 +00:00
harness-ishtmldda.js Support $262.IsHTMLDDA 2020-05-05 06:19:02 +00:00
OWNERS [test262] Remove myself from OWNERS 2021-01-15 17:13:56 +00:00
prune-local-tests.sh test262 roll 2017-02-10 19:05:55 +00:00
README Make test262 README file revision independent. 2015-11-04 10:52:44 +00:00
test262.status [Temporal] Add toJSON, toString, and non-intl toLocaleString to Instant 2022-06-29 08:31:17 +00:00
testcfg.py [test] Clean up Py2 code 2022-03-17 09:12:36 +00:00
upstream-local-tests.sh test262 roll 2017-03-13 14:33:07 +00:00

This directory contains code for binding the test262 test suite
into the v8 test harness. The tests are checked out as a dependency from

  https://chromium.googlesource.com/external/github.com/tc39/test262

at a revision specified in the DEPS file as 'data' in this directory. They are
fetched with 'gclient sync'. To update to a newer version, please change the
DEPS file.

Using a newer version, e.g. 'deadbeef' may be possible but the tests are only
known to pass (and indeed run) with the DEPS revision. Example:

  cd data
  git fetch
  git checkout deadbeef

If you do update to a newer revision you may have to change the test
harness adapter code since it uses internal functionality from the
harness that comes bundled with the tests.  You will most likely also
have to update the test expectation file.