Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b8a7a626127c0010a557c9d6466fefd38d9477c1
https://github.com/WebKit/WebKit/commit/b8a7a626127c0010a557c9d6466fefd38d9477c1
Author: Alan Baradlay <[email protected]>
Date: 2026-10-02 (Fri, 02 Oct 2026)
Changed paths:
M
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/animation/calc-size-height-interpolation-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/calc-size-flex-basis-on-column-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/calc-size-height-expected.txt
M Source/WebCore/rendering/RenderBox.cpp
M Source/WebCore/rendering/RenderBox.h
Log Message:
-----------
[css-values-5 calc-size()] Resolve a percentage in the calculation against
the containing block in the block axis
https://bugs.webkit.org/show_bug.cgi?id=324504
<rdar://problem/187738655>
Reviewed by Antti Koivisto.
<div style="height: 100px">
<div style="height: calc-size(max-content, 31%)">…</div>
</div>
The percentage resolves against the container, so the inner box is 31px tall
rather than 0px.
* Source/WebCore/rendering/RenderBox.cpp:
(WebCore::RenderBox::resolveCalcSizeLogicalHeight const):
Takes the size a percentage resolves against, which until now was always zero
in the block axis.
(WebCore::RenderBox::computeSizingKeywordLogicalContentHeightUsingGeneric
const):
* Source/WebCore/rendering/RenderBox.h:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/calc-size-height-expected.txt:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/calc-size-flex-basis-on-column-expected.txt:
*
LayoutTests/imported/w3c/web-platform-tests/css/css-values/calc-size/animation/calc-size-height-interpolation-expected.txt:
* LayoutTests/TestExpectations:
Canonical link: https://commits.webkit.org/322489@main
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