[Webkit-unassigned] [Bug 257235] New: [ iPhone XS+ ] 3X TestWebKitAPI.WKWebView (API-Tests) are constant failures

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257235

            Bug ID: 257235
           Summary: [ iPhone XS+ ] 3X TestWebKitAPI.WKWebView (API-Tests)
                    are constant failures
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit API
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jenner at apple.com

TestWebKitAPI.WKWebView.SnapshotAfterScreenUpdates
TestWebKitAPI.WKWebView.SnapshotImageBaseCase
TestWebKitAPI.WKWebView.SnapshotWithoutAfterScreenUpdates

are constant failures on iOS 16 Debug when run on iPhone XS simulator and higher. 

HISTORY:
https://results.webkit.org/?suite=api-tests&suite=api-tests&suite=api-tests&test=TestWebKitAPI.WKWebView.SnapshotAfterScreenUpdates&test=TestWebKitAPI.WKWebView.SnapshotImageBaseCase&test=TestWebKitAPI.WKWebView.SnapshotWithoutAfterScreenUpdates

According to the history, these are all passing. However, the simulator we are currently using is iPhone SE (3rd gen). These tests fail on iPhone XS and higher, and we want to change our current simulator for API tests from iPhone SE to iPhone 12. So these tests may need to be adjusted. 

STDIO FAILURE TEXT:
    TestWebKitAPI.WKWebView.SnapshotAfterScreenUpdates
        LEAK: 1 WebProcessPool

        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:507
        Expected equality of these values:
          0
          rgba[pixelIndex]
            Which is: '\xFF' (255)


        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:508
        Expected equality of these values:
          0
          rgba[pixelIndex + 1]
            Which is: '\xFF' (255)


    TestWebKitAPI.WKWebView.SnapshotImageBaseCase
        LEAK: 1 WebProcessPool

        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:292
        Expected equality of these values:
          0
          rgba[pixelIndex]
            Which is: '\xFF' (255)


        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:294
        Expected equality of these values:
          255
          rgba[pixelIndex + 2]
            Which is: '\0'


    TestWebKitAPI.WKWebView.SnapshotWithoutAfterScreenUpdates
        LEAK: 1 WebProcessPool

        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:570
        Expected equality of these values:
          0
          rgba[pixelIndex]
            Which is: '\xFF' (255)


        /Volumes/Data/worker/trunk-sydneye-ios-simulator-debug-archive/build/OpenSource/Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewSnapshot.mm:571
        Expected equality of these values:
          0
          rgba[pixelIndex + 1]
            Which is: '\xFF' (255)

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