layout: Add *very* basic support for table layout (#31121)

* layout: Add *very* basic support for table layout

This is the first step to proper table layout. It implements a naive
layout algorithm, notably only taking into account the preferred widths
of the first table row. Still, it causes some float tests to start
passing, so turn on the `layout.tables.enabled` preference for those
directories.

Co-authored-by: Oriol Brufau <obrufau@igalia.com>

* Address review comments

* Fix a crash with rowspan=0

* Turn on pref and update results for `/css/css-tables` and `/css/CSS2/tables`

---------

Co-authored-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Martin Robinson 2024-01-19 14:20:20 +01:00 committed by GitHub
parent 3d520f2668
commit fc31e69f79
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115 changed files with 842 additions and 315 deletions

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@ -5,9 +5,6 @@
[Control test: Table height is 120px]
expected: FAIL
[First (empty) table-row-group is 0px wide]
expected: FAIL
[First (empty) table-row-group should be located at 10px left]
expected: FAIL
@ -22,3 +19,6 @@
[Second table-row-group should be located at 10px top]
expected: FAIL
[Second table-row-group is 100px tall]
expected: FAIL