v8/test/test262
Jakob Gruber 3c422d1c5e [snapshot] Clear reconstructable data prior to d8 stress_snapshot run
The serializer currently cannot handle a heap state containing
arbitrary compiled Code objects. As a quick fix for the
--stress-snapshot d8 flag, we clear compiled data from the isolate
prior to the serialize-deserialize-verify pass.

With this change, mjsunit tests pass on x64.

The %SerializeDeserializeNow() runtime function would require more
work, since it is not possible to mutate the heap to this extent while
still preserving a runnable host context and isolate. We will need
another solution there.

Drive-by: Skip the stress_snapshot variant except for the mjsunit
suite.

Tbr: machenbach@chromium.org
Bug: v8:10493,v8:10416
Change-Id: Ie110da8b51613fcd69c7f391d3cf8589d6b04dd8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2182429
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67585}
2020-05-06 07:11:22 +00:00
..
local-tests/test [class] Remove local test262 private class field tests 2019-11-19 00:34:46 +00:00
BUILD.gn Support $262.IsHTMLDDA 2020-05-05 06:19:02 +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 Add syg@ as an owner of test262 for rolls 2019-10-10 00:49:33 +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 [snapshot] Clear reconstructable data prior to d8 stress_snapshot run 2020-05-06 07:11:22 +00:00
testcfg.py Support $262.IsHTMLDDA 2020-05-05 06:19:02 +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.