[webkit-changes] [WebKit/WebKit] 230248: [line-clamp][IFC] Line with 0px constrain should s...

[Alan Baradlay]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 2302481aabb3978e5cdaf79ff5b169c814ad3e92
      https://github.com/WebKit/WebKit/commit/2302481aabb3978e5cdaf79ff5b169c814ad3e92
  Author: Alan Baradlay <zalan at apple.com>
  Date:   2022-12-07 (Wed, 07 Dec 2022)

  Changed paths:
    A LayoutTests/fast/block/zero-width-block-with-line-clamp-multiple-lines-expected.html
    A LayoutTests/fast/block/zero-width-block-with-line-clamp-multiple-lines.html
    M Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp

  Log Message:
  -----------
  [line-clamp][IFC] Line with 0px constrain should still be considered as a non-empty line if it has content
https://bugs.webkit.org/show_bug.cgi?id=248882

Reviewed by Antti Koivisto.

Just because lineLogicalRect is empty (width: 0px;) it does not necessarily mean it has no (overflowing) content.

* LayoutTests/fast/block/zero-width-block-with-line-clamp-multiple-lines-expected.html: Added.
* LayoutTests/fast/block/zero-width-block-with-line-clamp-multiple-lines.html: Added.
* Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp:
(WebCore::Layout::InlineFormattingContext::lineLayout):

Canonical link: https://commits.webkit.org/257528@main