[Webkit-unassigned] [Bug 138683] New: platform/mac/editing/input/devanagari-ligature.html is flaky on Yosemite, ligature fails to form
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Nov 12 21:00:40 PST 2014
https://bugs.webkit.org/show_bug.cgi?id=138683
Bug ID: 138683
Summary: platform/mac/editing/input/devanagari-ligature.html is
flaky on Yosemite, ligature fails to form
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Text
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ap at webkit.org
CC: mmaxfield at apple.com, ned at apple.com
Created attachment 241465
--> https://bugs.webkit.org/attachment.cgi?id=241465&action=review
tests.txt
platform/mac/editing/input/devanagari-ligature.html is flaky on bots, and I can reproduce 100% reliably locally.
The failure shows correct Unicode content, but with a wrong width, meaning that a ligature failed to form at text drawing time I think.
Steps to reproduce with attached tests.txt:
run-webkit-tests --test-list=tests.txt --child-processes=1 --no-retry
- RenderText {#text} at (0,4) size 12x18
- text run at (0,4) width 12: "\x{915}\x{94D}\x{937}"
+ RenderText {#text} at (0,4) size 21x18
+ text run at (0,4) width 21: "\x{915}\x{94D}\x{937}"
It runs ~1500 tests before this one, and I cannot reduce the list much further. So, it's not just that some previous test breaks this one, it looks more like some cache or table overflows and text machinery starts to misbehave.
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