Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 293d26c84bad0bfd15fb7028aa9377ba88455103
      
https://github.com/WebKit/WebKit/commit/293d26c84bad0bfd15fb7028aa9377ba88455103
  Author: Yulun Wu <[email protected]>
  Date:   2026-07-28 (Tue, 28 Jul 2026)

  Changed paths:
    A 
LayoutTests/fast/grid/grid-auto-min-track-under-min-content-constraint-expected.txt
    A 
LayoutTests/fast/grid/grid-auto-min-track-under-min-content-constraint.html
    M Source/WebCore/layout/formattingContexts/grid/TrackSizingAlgorithm.cpp

  Log Message:
  -----------
  [GFC] Resolve limited min-content contributions for auto-min tracks under a 
min-/max-content constraint
https://bugs.webkit.org/show_bug.cgi?id=320486
rdar://183452829

Reviewed by Sammy Gill.

Implements the auto-minimum case of the single-span intrinsic track sizing step
(CSS Grid 1 ยง11.5.2): under a min-/max-content constraint, an auto-min track's
base size is the maximum of its items' limited min-content contributions,
floored at zero, rather than their plain minimum contributions.

* Source/WebCore/layout/formattingContexts/grid/TrackSizingAlgorithm.cpp:
(WebCore::Layout::sizeTracksToFitNonSpanningItems):
* 
LayoutTests/fast/grid/grid-auto-min-track-under-min-content-constraint-expected.txt:
 Added.
* LayoutTests/fast/grid/grid-auto-min-track-under-min-content-constraint.html: 
Added.

Canonical link: https://commits.webkit.org/318125@main



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