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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Baseline of inferred mrows</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#horizontally-group-sub-expressions-mrow">
<link rel="help" href="https://w3c.github.io/mathml-core/#radicals-msqrt-mroot">
<link rel="help" href="https://w3c.github.io/mathml-core/#style-change-mstyle">
<link rel="help" href="https://w3c.github.io/mathml-core/#error-message-merror">
<link rel="help" href="https://w3c.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
<link rel="help" href="https://w3c.github.io/mathml-core/#the-top-level-math-element">
<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
<link rel="help" href="https://w3c.github.io/mathml-core/#adjust-space-around-content-mpadded">
<meta name="assert" content="Baseline for mrow-like elements is correct.">
<script src="/mathml/support/feature-detection.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script type="text/javascript">
setup({ explicit_done: true });
window.addEventListener("load", runTests);
function runTests()
{
["Mrow", "Sqrt", "Style", "Error", "Phantom", "Math", "Menclose", "Mpadded", "Unknown", "Mtd", "None", "Mprescripts"].forEach((tag) => {
var x = document.getElementById(`above${tag}`).getBoundingClientRect();
var y = document.getElementById(`below${tag}`).getBoundingClientRect();
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
assert_equals(x.bottom, y.top);
}, `baseline alignment inside ${tag}`);
});
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math><mrow><mspace id="aboveMrow" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowMrow" width="10px" depth="30px" style="background: blue"></mspace></mrow></math>
<math><msqrt><mspace id="aboveSqrt" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowSqrt" width="10px" depth="30px" style="background: blue"></mspace></msqrt></math>
<math><mstyle><mspace id="aboveStyle" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowStyle" width="10px" depth="30px" style="background: blue"></mspace></mstyle></math>
<math><merror><mspace id="aboveError" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowError" width="10px" depth="30px" style="background: blue"></mspace></merror></math>
<math><mphantom><mspace style="visibility: visible;" id="abovePhantom" width="10px" height="30px" style="background: purple"></mspace><mspace style="visibility: visible;" id="belowPhantom" width="10px" depth="30px" style="background: blue"></mspace></mphantom></math>
<math><mspace id="aboveMath" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowMath" width="10px" depth="30px" style="background: blue"></mspace></math>
<!-- menclose is treated as <unknown> in MathML Core -->
<math><menclose notation="box"><mspace id="aboveMenclose" width="10px" height="30px" style="background: purple"
></mspace><mspace id="belowMenclose" width="10px" depth="30px" style="background: blue"></mspace></menclose></math>
<math><mpadded lspace="10px"><mspace id="aboveMpadded" width="10px" height="30px" style="background: purple"
></mspace><mspace id="belowMpadded" width="10px" depth="30px" style="background: blue"></mspace></mpadded></math>
<math><unknown><mspace id="aboveUnknown" width="10px" height="30px" style="background: purple"
></mspace><mspace id="belowUnknown" width="10px" depth="30px" style="background: blue"></mspace></unknown></math>
<math><mtable><mtr><mtd><mspace id="aboveMtd" width="10px" height="30px" style="background: purple"
></mspace><mspace id="belowMtd" width="10px" depth="30px" style="background: blue"></mspace></mtd></mtr></mtable></math>
<math><none><mspace id="aboveNone" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowNone" width="10px" depth="30px" style="background: blue"></mspace></none></math>
<math><mprescripts><mspace id="aboveMprescripts" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowMprescripts" width="10px" depth="30px" style="background: blue"></mspace></none></math>
</p>
</body>
</html>
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