[webkit-changes] [WebKit/WebKit] 5af6cc: [block-step-sizing] Extra space to distribute for ...

[Sammy Gill]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5af6cc050847fdf815c01e26e9a09d1b80286cdb
      https://github.com/WebKit/WebKit/commit/5af6cc050847fdf815c01e26e9a09d1b80286cdb
  Author: Sammy Gill <sammy.gill at apple.com>
  Date:   2024-12-03 (Tue, 03 Dec 2024)

  Changed paths:
    A LayoutTests/imported/w3c/web-platform-tests/css/css-rhythm/zero-outer-size-rounded-up-to-block-step-size-expected.html
    A LayoutTests/imported/w3c/web-platform-tests/css/css-rhythm/zero-outer-size-rounded-up-to-block-step-size.html
    M Source/WebCore/rendering/RenderBlockFlow.cpp

  Log Message:
  -----------
  [block-step-sizing] Extra space to distribute for boxes with outer size of 0 is the specified step size.
https://bugs.webkit.org/show_bug.cgi?id=284005
rdar://140879691

Reviewed by Alan Baradlay and Tim Nguyen.

If a box with block-step-sizing has an outer size of 0, then that means
the extra space needed to round it up to the size specified in
block-step-size is just that value. When we compute the extra space
let's check if the outer size is 0 and return the step size value
directly.

* LayoutTests/imported/w3c/web-platform-tests/css/css-rhythm/zero-outer-size-rounded-up-to-block-step-size-expected.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/css/css-rhythm/zero-outer-size-rounded-up-to-block-step-size.html: Added.
* Source/WebCore/rendering/RenderBlockFlow.cpp:
(WebCore::BlockStepSizing::computeExtraSpace):

Canonical link: https://commits.webkit.org/287328@main



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