Bug 244900

Summary:	New Test(254036@main): [ iOS macOS Debug ] 3X imported/w3c/web-platform-tests/dom/nodes/NodeList-static-length-getter-tampered-indexOf-(Layout tests) are constant timeouts
Product:	WebKit	Reporter:	Hercules Hjalmarsson <hhjalmarsson>
Component:	New Bugs	Assignee:	Darin Adler <darin>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	ashvayka, darin, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=260912

Description Hercules Hjalmarsson 2022-09-07 11:26:19 PDT

imported/w3c/web-platform-tests/dom/nodes/NodeList-static-length-getter-tampered-indexOf-1.html
imported/w3c/web-platform-tests/dom/nodes/NodeList-static-length-getter-tampered-indexOf-2.html
imported/w3c/web-platform-tests/dom/nodes/NodeList-static-length-getter-tampered-indexOf-3.html

Are constant timeouts on iOS and macOS Debug ToT and since introduced. From the history it doesn't appear that this is failing on the macOS bots often. However, it is almost constantly timing out and failing on iOS. When running any of these test(s) on iOS Debug it is taking a substantially long time to complete most likely causing bot testing issues.

HISTORY:
https://results.webkit.org/?limit=100&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fdom%2Fnodes%2FNodeList-static-length-getter-tampered-indexOf-1.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fdom%2Fnodes%2FNodeList-static-length-getter-tampered-indexOf-2.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fdom%2Fnodes%2FNodeList-static-length-getter-tampered-indexOf-3.html

DIFF:
@@ -1,3 +1,5 @@
+
+Harness Error (TIMEOUT), message = null

 PASS NodeList (static collection) "length" getter tampered (Array.prototype.indexOf)

Comment 1 Radar WebKit Bug Importer 2022-09-07 11:26:49 PDT

<rdar://problem/99657326>

Comment 2 Hercules Hjalmarsson 2022-09-07 11:31:38 PDT

This issue can be reproduced 100% of the time using command:

run-webkit-tests -f --exit-after-n-failures 1 --debug --force --iterations=500   imported/w3c/web-platform-tests/dom/nodes/NodeList-static-length-getter-tampered-indexOf-3.html

(Tested on wk1 and wk2 macOS)

Comment 3 EWS 2022-09-07 12:00:12 PDT

Test gardening commit 254243@main (a32a4b036e4b): <https://commits.webkit.org/254243@main>

Reviewed commits have been landed. Closing PR #4104 and removing active labels.

Comment 4 Darin Adler 2022-10-15 15:58:02 PDT

These tests were removed in <https://commits.webkit.org/253991@main>.

Comment 5 Darin Adler 2022-10-23 04:14:44 PDT

Fixed in 255893@main (30bf0f961d69): <https://commits.webkit.org/255893@main>