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underover-parameters-1.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Underscripts and Overscripts parameters</title>
<link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#SS4">
<meta name="assert" content="Elements munder, mover, munderover correctly use the limit parameters from the MATH table.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
math, mspace, mo {
font-size: 10px;
}
@font-face {
font-family: lowerlimitbaselinedropmin3000;
src: url("/fonts/math/limits-lowerlimitbaselinedropmin3000.woff");
}
@font-face {
font-family: lowerlimitgapmin11000;
src: url("/fonts/math/limits-lowerlimitgapmin11000.woff");
}
@font-face {
font-family: upperlimitbaselinerisemin5000;
src: url("/fonts/math/limits-upperlimitbaselinerisemin5000.woff");
}
@font-face {
font-family: upperlimitgapmin7000;
src: url("/fonts/math/limits-upperlimitgapmin7000.woff");
}
</style>
<script>
var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000
var epsilon = 1;
function getBox(aId) {
return document.getElementById(aId).getBoundingClientRect();
}
setup({ explicit_done: true });
window.addEventListener("load", function() {
document.fonts.ready.then(runTests);
});
function runTests() {
test(function() {
var v = 3000 * emToPx;
assert_approx_equals(getBox("under00011").top - getBox("ref0001").bottom,
v, epsilon, "munder: under shift");
assert_approx_equals(getBox("under00012").top - getBox("ref0001").bottom,
v, epsilon, "munderover: under shift");
}, "LowerLimitBaselineDropMin");
test(function() {
var v = 11000 * emToPx;
assert_approx_equals(getBox("under00021").top - getBox("ref0002").bottom,
v, epsilon, "munder: under gap");
assert_approx_equals(getBox("under00022").top - getBox("ref0002").bottom,
v, epsilon, "munderover: under gap");
}, "LowerLimitGapMin");
test(function() {
var v = 5000 * emToPx;
assert_approx_equals(getBox("ref0003").top - getBox("over00031").bottom,
v, epsilon, "mover: over shift");
assert_approx_equals(getBox("ref0003").top - getBox("over00032").bottom,
v, epsilon, "munderover: over shift");
}, "UpperLimitBaselineRiseMin");
test(function() {
var v = 7000 * emToPx;
assert_approx_equals(getBox("ref0004").top - getBox("over00041").bottom,
v, epsilon, "mover: over shift");
assert_approx_equals(getBox("ref0004").top - getBox("over00042").bottom,
v, epsilon, "munderover: over shift");
}, "UpperLimitGapMin");
done();
}
</script>
</head>
<body>
<p>
<math style="font-family: lowerlimitbaselinedropmin3000;">
<mspace id="ref0001" height="1em" width="3em" mathbackground="green"/>
<munder>
<mo movablelimits="false">∑</mo>
<mspace id="under00011" depth="1em" width="3em" mathbackground="blue"/>
</munder>
<munderover>
<mo movablelimits="false">∑</mo>
<mspace id="under00012" depth="1em" width="3em" mathbackground="blue"/>
<mspace height="1em" width="3em" mathbackground="black"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: lowerlimitgapmin11000;">
<mspace id="ref0002" height="1em" width="3em" mathbackground="green"/>
<munder>
<mo movablelimits="false">∑</mo>
<mspace id="under00021" depth="1em" width="3em" mathbackground="blue"/>
</munder>
<munderover>
<mo movablelimits="false">∑</mo>
<mspace id="under00022" depth="1em" width="3em" mathbackground="blue"/>
<mspace height="1em" width="3em" mathbackground="black"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: upperlimitbaselinerisemin5000;">
<mspace id="ref0003" height="1em" width="3em" mathbackground="green"/>
<mover>
<mo movablelimits="false">∑</mo>
<mspace id="over00031" height="1em" width="3em" mathbackground="blue"/>
</mover>
<munderover>
<mo movablelimits="false">∑</mo>
<mspace height="1em" width="3em" mathbackground="black"/>
<mspace id="over00032" height="1em" width="3em" mathbackground="blue"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: upperlimitgapmin7000;">
<mspace id="ref0004" height="1em" width="3em" mathbackground="green"/>
<mover>
<mo movablelimits="false">∑</mo>
<mspace id="over00041" depth="1em" width="3em" mathbackground="blue"/>
</mover>
<munderover>
<mo movablelimits="false">∑</mo>
<mspace height="1em" width="3em" mathbackground="black"/>
<mspace id="over00042" depth="1em" width="3em" mathbackground="blue"/>
</munderover>
</math>
</p>
<hr/>
</body>
</html>