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<!doctype html>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<link rel='stylesheet' href='./support/base.css' />
<link rel="help" href="https://drafts.csswg.org/css-tables-3/#dimensioning-the-row-column-grid">
<main>
<h1>HTML5 Table Formatting algorithm and Fixed Layout (row/column grid computation)</h1>
<p>Verifies how browsers deal with implicit tracks from which no cell does originate in fixed mode</p>
<hr/>
<p>This should be a 100px by 50px blue rectangle:</p>
<p>The table grid is 1x3, so the table is not empty and follows step 3A of the table layout algorithm</p>
<p>The consecutive columns were merged not together because the table-layout is fixed, but consecutive rows were.</p>
<p>Each track has a 0px breadth; the table width (respect. height) comes from 4x (respect. 2x) 25px-wide border spacings</p>
<x-table style="table-layout: fixed; width: 0; background: blue; border-spacing: 25px">
<x-tr><x-td width="0" height="0" colspan="3" rowspan="3" style="padding: 0"></x-td></x-tr>
</x-table>
<hr/>
</main>
<script>
while(true) {
var xtd = document.querySelector('x-td[rowspan], x-td[colspan]'); if(!xtd) break;
var td = document.createElement('td'); for(var i = xtd.attributes.length; i--;) { td.setAttribute(xtd.attributes[i].name,xtd.attributes[i].value) }
xtd.parentNode.replaceChild(td,xtd);
}
generate_tests(assert_equals, [
[
"Redundant columns of fixed-layout tables are not being merged",
document.querySelector("x-table:nth-of-type(1)").offsetWidth,
100
],
[
"Redundant rows of fixed-layout tables are not being merged",
document.querySelector("x-table:nth-of-type(1)").offsetHeight,
50
],
])
</script>
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