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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>content position with width/height</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#layout-algorithms">
<link rel="help" href="https://w3c.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
<meta name="assert" content="Verify the inline-start of the children of the munder, mover, munderover and mfrac layout algorithms."/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<script src="/mathml/support/fonts.js"></script>
<style>
.test, math {
font: 25px/1 Ahem;
color: black;
}
.test {
margin: .5em;
}
[data-name] {
width: 7em;
border: 1px solid blue;
}
</style>
<script>
var epsilon = 1;
function getMiddle(aElement) {
let box = aElement.getBoundingClientRect();
return (box.left + box.right) / 2;
}
setup({ explicit_done: true });
window.addEventListener("load", () => { loadAllFonts().then(runTests); });
function runTests() {
Array.from(document.querySelectorAll("[data-name]")).forEach(element => {
test(() => {
let elementMiddle = getMiddle(element);
Array.from(element.children).forEach(child => {
assert_approx_equals(getMiddle(child), elementMiddle, epsilon);
});
}, element.dataset.name);
});
done();
}
</script>
</head>
<body>
<div id="log"></div>
<div class="test">
<math>
<mfrac data-name="mfrac">
<mtext>X</mtext>
<mtext>X</mtext>
</mfrac>
</math>
<math dir="rtl">
<mfrac data-name="RTL mfrac">
<mtext>X</mtext>
<mtext>X</mtext>
</mfrac>
</math>
<math>
<mfrac data-name="mfrac (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mfrac>
</math>
<math dir="rtl">
<mfrac data-name="RTL mfrac (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mfrac>
</math>
</div>
<div class="test">
<math>
<mfrac linethickness="0" data-name="mfrac without bar">
<mtext>X</mtext>
<mtext>X</mtext>
</mfrac>
</math>
<math dir="rtl">
<mfrac linethickness="0" data-name="RTL mfrac without bar">
<mtext>X</mtext>
<mtext>X</mtext>
</mfrac>
</math>
<math>
<mfrac linethickness="0" data-name="mfrac without bar (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mfrac>
</math>
<math dir="rtl">
<mfrac linethickness="0" data-name="RTL mfrac without bar (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mfrac>
</math>
</div>
<div class="test">
<math>
<munder data-name="munder">
<mtext>X</mtext>
<mtext>X</mtext>
</munder>
</math>
<math dir="rtl">
<munder data-name="RTL munder">
<mtext>X</mtext>
<mtext>X</mtext>
</munder>
</math>
<math>
<munder data-name="munder (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</munder>
</math>
<math dir="rtl">
<munder data-name="RTL munder (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</munder>
</math>
</div>
<div class="test">
<math>
<mover data-name="mover">
<mtext>X</mtext>
<mtext>X</mtext>
</mover>
</math>
<math dir="rtl">
<mover data-name="RTL mover">
<mtext>X</mtext>
<mtext>X</mtext>
</mover>
</math>
<math>
<mover data-name="mover (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mover>
</math>
<math dir="rtl">
<mover data-name="RTL mover (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</mover>
</math>
</div>
<div class="test">
<math>
<munderover data-name="munderover">
<mtext>X</mtext>
<mtext>X</mtext>
<mtext>X</mtext>
</munderover>
</math>
<math dir="rtl">
<munderover data-name="RTL munderover">
<mtext>X</mtext>
<mtext>X</mtext>
<mtext>X</mtext>
</munderover>
</math>
<math>
<munderover data-name="munderover (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</munderover>
</math>
<math dir="rtl">
<munderover data-name="RTL munderover (horizontal overflow)">
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
<mtext>XXXXXXXXXXXX</mtext>
</munderover>
</math>
</div>
</body>
</htmL>
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