Bug 290794 – New Test(281074@main): [ iOS ] fast/viewport/ios/content-visibility-layout-viewport-during-unstable-scroll.html is a constant failure.

• Component: New Bugs
• Status: NEW

[Yasmin Karimi]

fast/viewport/ios/content-visibility-layout-viewport-during-unstable-scroll.html

This test is a constant failure on iOS Simulator on iPad (9th generation) with arm64.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fviewport%2Fios%2Fcontent-visibility-layout-viewport-during-unstable-scroll.html

TEXT DIFF:

@@ -1,19 +1,19 @@
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS nthSection(2).checkVisibility({ contentVisibilityAuto: true }) is true
-PASS numberOfVisibleItems() >= 8 is true
+PASS numberOfVisibleItems() >= 11 is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is false
 PASS nthSection(4).checkVisibility({ contentVisibilityAuto: true }) is true
-PASS numberOfVisibleItems() >= 8 is true
+PASS numberOfVisibleItems() >= 11 is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is false
 PASS nthSection(4).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS nthSection(2).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS nthSection(2).checkVisibility({ contentVisibilityAuto: true }) is true
-PASS numberOfVisibleItems() >= 8 is true
+PASS numberOfVisibleItems() >= 11 is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is false
 PASS nthSection(10).checkVisibility({ contentVisibilityAuto: true }) is true
-PASS numberOfVisibleItems() >= 8 is true
+PASS numberOfVisibleItems() >= 11 is true
 PASS nthSection(1).checkVisibility({ contentVisibilityAuto: true }) is false
 PASS nthSection(10).checkVisibility({ contentVisibilityAuto: true }) is true
 PASS successfullyParsed is true

DIFF URL:

https://build.webkit.org/results/Apple-iPadOS-18-Simulator-Release-WK2-Tests/292920@main%20(670)/fast/viewport/ios/content-visibility-layout-viewport-during-unstable-scroll-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this issue on the iOS 18.2 simulator at ToT using the following command:

run-webkit-tests --ios-simulator fast/viewport/ios/content-visibility-layout-viewport-during-unstable-scroll.html --iterations 10 --debug

REGRESSION:

This test appears to be failing since it was introduced at 281074@main

[Radar WebKit Bug Importer]

<rdar://problem/148274453>

[EWS]

Test gardening commit 292962@main (eec0cf905177): <https://commits.webkit.org/292962@main>

Reviewed commits have been landed. Closing PR #43344 and removing active labels.