Bug 168924 - [ios-simulator WK2] LayoutTest scrollingcoordinator/ios/non-stable-viewport-scroll.html is a flaky failure
Summary: [ios-simulator WK2] LayoutTest scrollingcoordinator/ios/non-stable-viewport-s...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2017-02-27 12:47 PST by Ryan Haddad
Modified: 2019-03-09 21:58 PST (History)
4 users (show)

See Also:


Attachments
Patch (2.71 KB, patch)
2019-03-09 21:44 PST, Simon Fraser (smfr)
no flags Details | Formatted Diff | Diff

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Description Ryan Haddad 2017-02-27 12:47:56 PST
LayoutTest scrollingcoordinator/ios/non-stable-viewport-scroll.html is a flaky failure

https://build.webkit.org/results/Apple%20iOS%2010%20Simulator%20Debug%20WK2%20(Tests)/r213044%20(3810)/results.html

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#tests=scrollingcoordinator%2Fios%2Fnon-stable-viewport-scroll.html

--- /Volumes/Data/slave/ios-simulator-10-debug-tests-wk2/build/layout-test-results/scrollingcoordinator/ios/non-stable-viewport-scroll-expected.txt
+++ /Volumes/Data/slave/ios-simulator-10-debug-tests-wk2/build/layout-test-results/scrollingcoordinator/ios/non-stable-viewport-scroll-actual.txt
@@ -16,14 +16,13 @@
       (contentsScale 6.00)
       (children 1
         (GraphicsLayer
-          (position 10.00 0.00)
-          (approximate position 10.00 634.67)
+          (position 10.00 635.00)
           (bounds 100.00 548.00)
           (usingTiledLayer 1)
           (contentsOpaque 1)
           (drawsContent 1)
-          (visible rect 0.00, 365.33 96.67 x 182.67)
-          (coverage rect -10.00, 322.66 192.00 x 268.00)
+          (visible rect 0.00, 365.00 96.67 x 182.67)
+          (coverage rect -10.00, 322.33 192.00 x 268.00)
           (intersects coverage rect 1)
           (contentsScale 6.00)
         )
Comment 1 Ryan Haddad 2017-02-27 17:16:55 PST
The earliest failure on the flakiness dashboard is 2/17/2017 4:23:29 PM @ r212591, though the failure is flaky and that change is unrelated.
Comment 2 Alexey Proskuryakov 2017-02-27 19:31:32 PST
I see this produce spurious EWS failures.
Comment 3 Ryan Haddad 2017-03-06 15:34:21 PST
Marked test as flaky in http://trac.webkit.org/projects/webkit/changeset/213476
Comment 4 Simon Fraser (smfr) 2019-03-09 21:44:32 PST
Created attachment 364168 [details]
Patch
Comment 5 Simon Fraser (smfr) 2019-03-09 21:53:35 PST
https://trac.webkit.org/changeset/242684/webkit
Comment 6 Radar WebKit Bug Importer 2019-03-09 21:58:34 PST
<rdar://problem/48746989>