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frac-parameters-2.html
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frac-parameters-2.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Stack parameters</title>
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#mfrac">
<meta name="assert" content="Element mfrac correctly uses the stack parameters from the MATH table.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
math, mspace {
font-size: 10px;
}
@font-face {
font-family: axisheight7000;
src: url("/fonts/math/stack-axisheight7000.woff");
}
@font-face {
font-family: bottomdisplaystyleshiftdown5000;
src: url("/fonts/math/stack-bottomdisplaystyleshiftdown5000.woff");
}
@font-face {
font-family: bottomshiftdown6000;
src: url("/fonts/math/stack-bottomshiftdown6000.woff");
}
@font-face {
font-family: displaystylegapmin4000;
src: url("/fonts/math/stack-displaystylegapmin4000.woff");
}
@font-face {
font-family: gapmin8000;
src: url("/fonts/math/stack-gapmin8000.woff");
}
@font-face {
font-family: topdisplaystyleshiftup3000;
src: url("/fonts/math/stack-topdisplaystyleshiftup3000.woff");
}
@font-face {
font-family: topshiftup9000;
src: url("/fonts/math/stack-topshiftup9000.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() {
// Delay the check to workaround WebKit's bug https://webkit.org/b/174030.
requestAnimationFrame(() => { document.fonts.ready.then(runTests); });
});
function runTests() {
test(function() {
var v = 7000 * emToPx;
assert_approx_equals(getBox("ref0001").top - getBox("num0001").bottom,
v, epsilon, "mfrac: axis height");
}, "AxisHeight");
test(function() {
var v = 5000 * emToPx;
assert_approx_equals(getBox("den0002").top - getBox("ref0002").bottom,
v, epsilon, "mfrac: denominator shift");
}, "BottomDisplayStyleShiftDown");
test(function() {
var v = 6000 * emToPx;
assert_approx_equals(getBox("den0003").top - getBox("ref0003").bottom,
v, epsilon, "mfrac: denominator shift");
}, "BottomShiftDown");
test(function() {
var v = 4000 * emToPx;
assert_approx_equals(getBox("den0004").top - getBox("num0004").bottom,
v, epsilon, "mfrac: gap");
}, "DisplayStyleGapMin");
test(function() {
var v = 8000 * emToPx;
assert_approx_equals(getBox("den0005").top - getBox("num0005").bottom,
v, epsilon, "mfrac: gap");
}, "GapMin");
test(function() {
var v = 3000 * emToPx;
assert_approx_equals(getBox("ref0006").top - getBox("num0006").bottom,
v, epsilon, "mfrac: numerator shift");
}, "TopDisplayStyleShiftUp");
test(function() {
var v = 9000 * emToPx;
assert_approx_equals(getBox("ref0007").top - getBox("num0007").bottom,
v, epsilon, "mfrac: numerator shift");
}, "ToShiftUp");
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math style="font-family: axisheight7000;">
<mspace id="ref0001" depth="1em" width="3em" style="background: green"/>
<mfrac linethickness="0px">
<mspace width="3em" height="1em" id="num0001" style="background: blue"/>
<mspace width="3em"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math display="block" style="font-family: bottomdisplaystyleshiftdown5000;">
<mspace id="ref0002" width="3em" height="1em" style="background: green"/>
<mfrac linethickness="0px">
<mspace width="3em"/>
<mspace width="3em" depth="1em" id="den0002" style="background: blue"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math style="font-family: bottomshiftdown6000;">
<mspace id="ref0003" width="3em" height="1em" style="background: green"/>
<mfrac linethickness="0px">
<mspace width="3em"/>
<mspace width="3em" depth="1em" id="den0003" style="background: blue"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math display="block" style="font-family: displaystylegapmin4000;">
<mfrac linethickness="0px">
<mspace width="3em" height="1em" id="num0004" style="background: blue"/>
<mspace width="3em" depth="1em" id="den0004" style="background: green"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math style="font-family: gapmin8000;">
<mfrac linethickness="0px">
<mspace width="3em" height="1em" id="num0005" style="background: blue"/>
<mspace width="3em" depth="1em" id="den0005" style="background: green"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math display="block" style="font-family: topdisplaystyleshiftup3000;">
<mspace id="ref0006" width="3em" depth="1em" style="background: green"/>
<mfrac linethickness="0px">
<mspace width="3em" height="1em" id="num0006" style="background: blue"/>
<mspace width="3em"/>
</mfrac>
</math>
</p>
<hr/>
<p>
<math style="font-family: topshiftup9000;">
<mspace id="ref0007" width="3em" depth="1em" style="background: green"/>
<mfrac linethickness="0px">
<mspace width="3em" height="1em" id="num0007" style="background: blue"/>
<mspace width="3em"/>
</mfrac>
</math>
</p>
</body>
</html>