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LibWeb: Avoid division by zero when computing table width

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Previously, a crash could occur when computing the width of a table
with cells that had a percentage width of 0.
This commit is contained in:
Tim Ledbetter 2024-01-20 22:57:45 +00:00 • committed by Andreas Kling
parent 21364711da
commit 58df9c45b9
3 changed files with 33 additions and 2 deletions
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28
Tests/LibWeb/Layout/expected/zero_percent_width_nested_table.txt Normal file
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@ -0,0 +1,28 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x28 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x12 children: not-inline
TableWrapper <(anonymous)> at (8,8) content-size 12x12 [BFC] children: not-inline
Box <table> at (8,8) content-size 12x12 table-box [TFC] children: not-inline
Box <tbody> at (8,8) content-size 8x8 table-row-group children: not-inline
Box <tr> at (10,10) content-size 8x8 table-row children: not-inline
BlockContainer <td> at (11,11) content-size 6x6 table-cell [BFC] children: not-inline
TableWrapper <(anonymous)> at (11,11) content-size 6x6 [BFC] children: not-inline
Box <table> at (11,11) content-size 6x6 table-box [TFC] children: not-inline
Box <tbody> at (11,11) content-size 2x2 table-row-group children: not-inline
Box <tr> at (13,13) content-size 2x2 table-row children: not-inline
BlockContainer <td> at (14,14) content-size 0x0 table-cell [BFC] children: inline
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x28]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x12]
PaintableWithLines (TableWrapper(anonymous)) [8,8 12x12]
PaintableBox (Box<TABLE>) [8,8 12x12]
PaintableBox (Box<TBODY>) [8,8 8x8] overflow: [8,8 10x10]
PaintableBox (Box<TR>) [10,10 8x8]
PaintableWithLines (BlockContainer<TD>) [10,10 8x8]
PaintableWithLines (TableWrapper(anonymous)) [11,11 6x6]
PaintableBox (Box<TABLE>) [11,11 6x6]
PaintableBox (Box<TBODY>) [11,11 2x2] overflow: [11,11 4x4]
PaintableBox (Box<TR>) [13,13 2x2]
PaintableWithLines (BlockContainer<TD>) [13,13 2x2]