Regression (r282768): [ macOS Release ] TestWebKitAPI.FontManagerTests.ChangeAttributesWithFontEffectsBox is failing

• Component: New Bugs
• Status: RESOLVED FIXED

TestWebKitAPI.FontManagerTests.ChangeAttributesWithFontEffectsBox

Is failing on BigSur Release and Catalina Release.

History: https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.FontManagerTests.ChangeAttributesWithFontEffectsBox 

The history indicates that the failure seems to have started at https://trac.webkit.org/changeset/282768/webkit

 /Volumes/Data/worker/catalina-release/build/Tools/TestWebKitAPI/Tests/mac/FontManagerTests.mm:288
        Expected equality of these values:
          "rgb(0, 0, 0) 0px 1.25px 8px"
          textShadowAroundSelection()
            Which is: "rgb(0, 0, 0) 7.654042497785054e-17px 1.25px 8px"
        
        
        /Volumes/Data/worker/catalina-release/build/Tools/TestWebKitAPI/Tests/mac/FontManagerTests.mm:291
        Expected equality of these values:
          shadow.shadowOffset.width
            Which is: 7.65404e-17
          0
        
        
        /Volumes/Data/worker/catalina-release/build/Tools/TestWebKitAPI/Tests/mac/FontManagerTests.mm:309
        Expected equality of these values:
          "rgba(0, 0, 0, 0.2) 0px 1.25px 5px"
          textShadowAroundSelection()
            Which is: "rgba(0, 0, 0, 0.2) 7.654042497785054e-17px 1.25px 5px"
        
        
        /Volumes/Data/worker/catalina-release/build/Tools/TestWebKitAPI/Tests/mac/FontManagerTests.mm:317
        Expected equality of these values:
          shadow.shadowOffset.width
            Which is: 7.65404e-17
          0

[Radar WebKit Bug Importer]

<rdar://problem/83323950>

The test is failing on Debug as well.

[Alexey Proskuryakov]

r282768 was reverted in r282826.