NEW 195341
[ iOS Simulator ] REGRESSION (r237087) Layout Test fast/viewport/ios/*-width-viewport-after-changing-view-scale.html is a flaky failure 
https://bugs.webkit.org/show_bug.cgi?id=195341
Summary [ iOS Simulator ] REGRESSION (r237087) Layout Test fast/viewport/ios/*-width-...
Shawn Roberts
Reported 2019-03-05 14:45:47 PST
The following layout tests are flaky on iOS Simulator fast/viewport/ios/constant-width-viewport-after-changing-view-scale.html fast/viewport/ios/device-width-viewport-after-changing-view-scale.html Probable cause: Test has been a flaky failure since it was created in r237087 Around revision 240714 I had to add --child-processes 4 to get it to fail, but it produced the same diffs Reproduced with : run-webkit-tests fast/viewport/ios/constant-width-viewport-after-changing-view-scale.html fast/viewport/ios/device-width-viewport-after-changing-view-scale.html --iterations 50 -f --ios-simulator --child-processes 4 Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=%20fast%2Fviewport%2Fios%2Fconstant-width-viewport-after-changing-view-scale.html%20fast%2Fviewport%2Fios%2Fdevice-width-viewport-after-changing-view-scale.html Diffs --- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/fast/viewport/ios/constant-width-viewport-after-changing-view-scale-expected.txt +++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/fast/viewport/ios/constant-width-viewport-after-changing-view-scale-actual.txt @@ -1,7 +1,7 @@ setViewScale(0.50) -window size: [1280, 2192] +window size: [640, 1096] square size: [128, 219] -zoom scale: 0.25 +zoom scale: 0.50 setViewScale(0.75) window size: [853, 1461] --- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/fast/viewport/ios/device-width-viewport-after-changing-view-scale-expected.txt +++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/fast/viewport/ios/device-width-viewport-after-changing-view-scale-actual.txt @@ -29,9 +29,9 @@ zoom scale: 1.25 setViewScale(1.00) -window size: [320, 548] +window size: [256, 438] square size: [32, 55] -zoom scale: 1.00 +zoom scale: 1.25 setViewScale(0.75) window size: [427, 731]
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Radar WebKit Bug Importer
Comment 1 2019-03-05 15:00:50 PST
<rdar://problem/48616298>
Ryan Haddad
Comment 2 2019-03-06 15:46:53 PST
fast/viewport/ios/device-width-viewport-after-changing-view-scale.html is causing false positives on EWS, so we should do something about this soon.
Wenson Hsieh
Comment 3 2019-03-06 15:48:12 PST
(In reply to Ryan Haddad from comment #2) > fast/viewport/ios/device-width-viewport-after-changing-view-scale.html is > causing false positives on EWS, so we should do something about this soon. Understood — I'll prioritize these tests.
Ryan Haddad
Comment 4 2019-03-08 16:54:14 PST
(In reply to Ryan Haddad from comment #2) > fast/viewport/ios/device-width-viewport-after-changing-view-scale.html is > causing false positives on EWS, so we should do something about this soon. Marked test as flaky to help out EWS in http://trac.webkit.org/projects/webkit/changeset/242665
Shawn Roberts
Comment 5 2019-04-02 08:58:25 PDT
Marked fast/viewport/ios/constant-width-viewport-after-changing-view-scale.html flaky in https://trac.webkit.org/changeset/243743/webkit while waiting for a fix.
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