[Webkit-unassigned] [Bug 193997] New: After the fix for bug 192529, fast/scrolling/ios/hit-testing-iframe.html fails
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 29 17:10:26 PST 2019
https://bugs.webkit.org/show_bug.cgi?id=193997
Bug ID: 193997
Summary: After the fix for bug 192529,
fast/scrolling/ios/hit-testing-iframe.html fails
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebCore Misc.
Assignee: webkit-unassigned at lists.webkit.org
Reporter: simon.fraser at apple.com
fast/scrolling/ios/hit-testing-iframe.html is doing frame scrolling in the UI process. Sometime during the interaction with the last frame ("clickElementInsideFrameAfterUserScroll"), we get a full scrolling tree update from the web process which clobbers the scroll position back to 0,0, causing the last hit test to fail.
This suggests that iOS frame scrolls aren't getting back to the web process. It also suggests that maybe we need to be more incremental about reconnecting subframe scrolling tree nodes to avoid churn.
I'll mark the test as failing for now.
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