[Webkit-unassigned] [Bug 252594] New: Applying container-type: inline-size to video causes intrinsic size to change during layout which triggers assert

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=252594

            Bug ID: 252594
           Summary: Applying container-type: inline-size to video causes
                    intrinsic size to change during layout which triggers
                    assert
           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: sgill26 at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 465092

  --> https://bugs.webkit.org/attachment.cgi?id=465092&action=review

Testcase

Attached a test case. This is causing the intrinsic size to change during layout, which results in:

ASSERTION FAILED: !intrinsicSizeChanged || !view().frameView().layoutContext().isInRenderTreeLayout()

The intrinsic size is first set to the default object size (300px x 150px). Then during layout the inline size gets set to 0px.

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