mozilla-central/testing/web-platform/tests/mathml/presentation-markup/tables/dynamic-columnspan-rowspan-001a.html

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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>dynamic columnspan/rowspan</title>
<meta name="assert" content="Rendering is updated after modifying columnspan">
<link rel="match" href="columnspan-rowspan-ref.html">
<style>
mtd { padding: 0; }
</style>
<script>
window.addEventListener("load", () => {
// force initial layout so we're sure what we're testing against
document.documentElement.getBoundingClientRect();
document.getElementById('mtd').setAttribute("columnspan", 2);
document.documentElement.classList.remove('reftest-wait');
});
</script>
</head>
<body>
<p>This test passes if you see a green square.</p>
<math>
<mtable>
<mtr>
<mtd id="mtd" columnspan="3">
<mspace width="80px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
</mtr>
<mtr>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
</mtr>
<mtr>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
</mtr>
<mtr>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
</mtr>
<mtr>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
<mtd>
<mspace width="40px" depth="40px" style="background: green"/>
</mtd>
</mtr>
</mtable>
</math>
</body>
</html>