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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Table cell mrow layout</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#table-or-matrix-mtable">
<meta name="assert" content="Table cell relies on the mrow layout for their children.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/layout-comparison.js"></script>
<style>
/* Remove default padding, since there is none on reference mrow element. */
mtd { padding: 0; }
</style>
</head>
<body>
<div id="log"></div>
<p>
<math>
<mtable id="mtable">
<mtr>
<mtd id="mtd">
<mspace width="10px" depth="20px" height="20px" style="background: blue"/>
<mspace width="10px" depth="10px" height="30px" style="background: lightblue"/>
<mspace width="10px" depth="30px" height="10px" style="background: black"/>
</mtd>
</mtr>
</mtable>
</math>
</p>
<p>
<math>
<mrow id="mtd-reference">
<mspace width="10px" depth="20px" height="20px" style="background: blue"/>
<mspace width="10px" depth="10px" height="30px" style="background: lightblue"/>
<mspace width="10px" depth="30px" height="10px" style="background: black"/>
</mrow>
</math>
</p>
<p>
<math>
<mtable id="mtable-reference">
<mtr>
<mtd>
<mrow>
<mspace width="10px" depth="20px" height="20px" style="background: blue"/>
<mspace width="10px" depth="10px" height="30px" style="background: lightblue"/>
<mspace width="10px" depth="30px" height="10px" style="background: black"/>
</mrow>
</mtd>
</mtr>
</mtable>
</math>
</p>
<script>
const epsilon = 1;
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
let mtd = document.getElementById("mtd");
let reference = document.getElementById("mtd-reference");
compareLayout(mtd, reference, epsilon);
}, "<mtd> relies on mrow algorithm to layout its children");
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
let mtable = document.getElementById("mtable");
let reference = document.getElementById("mtable-reference");
compareLayout(mtable, reference, epsilon);
}, "<mtable> layout does not change if children of <mtd> elements are wrapped in an explicit <mrow>");
</script>
</body>
</html>
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