Bug 242837

Summary:

out-of-flow content has the incorrect height when its height is set to fit-content

Product:

WebKit

Reporter:

Jesper van den Ende <jespertheend>

Component:

Layout and Rendering

Assignee:

alan <zalan>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

ahmad.saleem792, bfulgham, koivisto, ntim, simon.fraser, webkit-bug-importer, zalan

Priority:

Keywords:

BrowserCompat, InRadar

Version:

Safari Technology Preview

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://github.com/web-platform-tests/wpt/pull/59421

Attachments:

Description	Flags
the html source code of the reduced test case	none
testcase without dialog	none
[fast-cq]Patch	none

Jesper van den Ende

Reported 2022-07-16 13:38:01 PDT

Created attachment 460957 [details] the html source code of the reduced test case When a <dialog> element has its height set to 'fit-content' and its child has its height set to '100%', the child is rendered with a height of 0px. Visit https://dialog-fit-content-style.glitch.me/ for a demo

Attachments
the html source code of the reduced test case (519 bytes, text/html) 2022-07-16 13:38 PDT, Jesper van den Ende	no flags	Details
testcase without dialog (627 bytes, text/html) 2022-07-17 07:34 PDT, Tim Nguyen (:ntim)	no flags	Details
[fast-cq]Patch (9.47 KB, patch) 2026-04-15 16:13 PDT, alan	no flags	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Tim Nguyen (:ntim)

Comment 1 2022-07-17 07:34:29 PDT

Created attachment 460959 [details] testcase without dialog

Radar WebKit Bug Importer

Comment 2 2022-07-23 13:38:15 PDT

<rdar://problem/97492632>

Ahmad Saleem

Comment 3 2023-09-27 16:21:16 PDT

Still reproducible in WebKit ToT (268538@main). Since only reproducible in WebKit, marking this as 'BrowserCompat'. Firefox Nightly 120 and Chrome Canary 119 match each other.

alan

Comment 4 2026-04-15 16:13:27 PDT

Created attachment 479098 [details] [fast-cq]Patch

EWS

Comment 5 2026-04-16 09:28:09 PDT

Committed 311375@main (16c999a1edc5): <https://commits.webkit.org/311375@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 479098 [details].

Sammy Gill

Comment 6 2026-04-22 15:20:14 PDT

Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/59421

Note You need to log in before you can comment on or make changes to this bug.