[Webkit-unassigned] [Bug 271778] New: 3 fast/viewport/ios/viewport-fit-*.html layout tests constantly failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=271778

            Bug ID: 271778
           Summary: 3 fast/viewport/ios/viewport-fit-*.html layout tests
                    constantly failing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

The following three tests, currently skipped by an ancient expectation due to them being unsupported below iOS 11, are constantly failing:

fast/viewport/ios/viewport-fit-contain.html
fast/viewport/ios/viewport-fit-cover.html
fast/viewport/ios/viewport-fit-auto.html

HISTORY:

None (these are skipped).

TEXT DIFF:

 Viewport: initial-scale=1, viewport-fit=auto

-Window Size: 260 x 538
+Window Size: 330 x 787

 scale  1.00000
 maxScale       5.00000
 minScale       1.00000
-visibleRect    {"left":"-40.00000","top":"-10.00000","width":"320.00000","height":"548.00000"}
+visibleRect    {"left":"-40.00000","top":"-10.00000","width":"390.00000","height":"797.00000"}

REPRODUCIBILITY:

I was able to reproduce this issue on the iOS Simulator (17.4/21E213) ToT using the following command:

run-webkit-tests --ios-simulator -v fast/viewport/ios/viewport-fit-contain.html fast/viewport/ios/viewport-fit-cover.html fast/viewport/ios/viewport-fit-auto.html --child-processes 1 --skipped ignore

REGRESSION:

Contextual information indicates that, if these tests had been unskipped at the proper time, this test would've regressed when we stopped testing on iPhone SE and moved to iPhone 12 (as the old screen dimensions seem to match iPhone SE, and the new ones seem to match iPhone 12). This would make these tests re-baseline candidates.

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