RESOLVED FIXED 194291
REGRESSION (r240535): Layout Test scrollingcoordinator/scrolling-tree/toggle-coordinated-frame-scrolling.html is flaky 
https://bugs.webkit.org/show_bug.cgi?id=194291
Summary REGRESSION (r240535): Layout Test scrollingcoordinator/scrolling-tree/toggle-...
Truitt Savell
Reported 2019-02-05 09:26:20 PST
This test scrollingcoordinator/scrolling-tree/toggle-coordinated-frame-scrolling.html that was added in https://trac.webkit.org/changeset/240535/webkit is a flakey failure. History: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=scrollingcoordinator%2Fscrolling-tree%2Ftoggle-coordinated-frame-scrolling.html Diff: --- /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/scrollingcoordinator/scrolling-tree/toggle-coordinated-frame-scrolling-expected.txt +++ /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/scrollingcoordinator/scrolling-tree/toggle-coordinated-frame-scrolling-actual.txt @@ -33,27 +33,6 @@ (min layout viewport origin (0,0)) (max layout viewport origin (0,524)) (behavior for fixed 0) - (children 1 - (Frame hosting node - (children 1 - (Frame scrolling node - (scrollable area size 485 400) - (contents size 485 1024) - (scrollable area parameters - (horizontal scroll elasticity 0) - (vertical scroll elasticity 0) - (horizontal scrollbar mode 0) - (vertical scrollbar mode 0) - (has enabled vertical scrollbar 1)) - (visual viewport enabled 1) - (layout viewport at (0,0) size 485x400) - (min layout viewport origin (0,0)) - (max layout viewport origin (0,624)) - (behavior for fixed 0) - ) - ) - ) - ) ) ) ) @@ -65,7 +44,7 @@ (Frame scrolling node (scrollable area size 785 600) - (contents size 785 1541) + (contents size 785 1226) (scrollable area parameters (horizontal scroll elasticity 2) (vertical scroll elasticity 2) @@ -75,7 +54,7 @@ (visual viewport enabled 1) (layout viewport at (0,0) size 785x600) (min layout viewport origin (0,0)) - (max layout viewport origin (0,941)) + (max layout viewport origin (0,626)) (behavior for fixed 0) (children 1 (Frame hosting node
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Radar WebKit Bug Importer
Comment 1 2019-02-11 09:30:58 PST
<rdar://problem/47967247>
Simon Fraser (smfr)
Comment 2 2019-02-21 21:05:48 PST
The test needs to force layout in the subframe.
Simon Fraser (smfr)
Comment 3 2019-02-22 08:19:56 PST
https://trac.webkit.org/changeset/241934/webkit should have fixed this.
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