[Webkit-unassigned] [Bug 232384] New: [ iOS ] fast/hidpi & fast/layers/hidpi tests are flaky text/image failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=232384

            Bug ID: 232384
           Summary: [ iOS ] fast/hidpi & fast/layers/hidpi tests are flaky
                    text/image failing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: iPhone / iPad
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ayumi_kojima at apple.com

fast/hidpi/filters-blur.html
fast/hidpi/filters-hue-rotate.html
fast/hidpi/filters-invert.html
fast/hidpi/filters-multiple.html
fast/hidpi/filters-reference.html
fast/hidpi/image-set-gradient-multi.html
fast/hidpi/pdf-image-scaled.html

Are flaky image failing on iOS 15 sim iPhone 12.

fast/hidpi/image-srcset-simple-1x.html
fast/hidpi/image-srcset-simple-in-variable-1x.html

Are flaky text failing on iOS 15 sim Release & Debug iPhone 12.

History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=fast%2Fhidpi%2Ffilters-blur.html&test=fast%2Fhidpi%2Ffilters-hue-rotate.html&test=fast%2Fhidpi%2Ffilters-invert.html&test=fast%2Fhidpi%2Ffilters-multiple.html&test=fast%2Fhidpi%2Ffilters-reference.html&test=fast%2Fhidpi%2Fimage-set-gradient-multi.html&test=fast%2Fhidpi%2Fimage-srcset-simple-1x.html&test=fast%2Fhidpi%2Fimage-srcset-simple-in-variable-1x.html&test=fast%2Fhidpi%2Fpdf-image-scaled.html 

Result page: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r284918%20(310)/results.html#

Diff:

--- /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/hidpi/image-srcset-simple-1x-expected.txt
+++ /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/hidpi/image-srcset-simple-1x-actual.txt
@@ -1,3 +1,3 @@
-PASS document.getElementById("foo").clientWidth==400 is true
+FAIL document.getElementById("foo").clientWidth==400 should be true. Was false.
 This test passes if the image below says 1x with a reddish background when the deviceScaleFactor is 1, and if says 2x with a greenish background when the deviceScaleFactor is 2.

fast/inline-block/hidpi-margin-top-with-subpixel-value-and-overflow-hidden.html
fast/layers/hidpi-box-positioned-off-by-one-when-transform-is-present.html
fast/layers/hidpi-floor-negative-coordinate-values-to-maintain-rounding-direction.html
fast/layers/hidpi-nested-layers-with-subpixel-accumulation.html
fast/layers/hidpi-transform-on-child-content-is-mispositioned.html

Are flaky image failing on iOS 15 sim Debug on iPhone 12.

History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=fast%2Finline-block%2Fhidpi-margin-top-with-subpixel-value-and-overflow-hidden.html&test=fast%2Flayers%2Fhidpi-box-positioned-off-by-one-when-transform-is-present.html&test=fast%2Flayers%2Fhidpi-floor-negative-coordinate-values-to-maintain-rounding-direction.html&test=fast%2Flayers%2Fhidpi-nested-layers-with-subpixel-accumulation.html&test=fast%2Flayers%2Fhidpi-transform-on-child-content-is-mispositioned.html

Result page: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r284918%20(310)/results.html

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