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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>MathML sibling of SVG with foreignObject[overflow=visible]</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#html-and-svg">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=989920">
<meta name="assert" content="Verify that an SVG containing a foreignObject with visible overflow does not affect layout of MathML siblings.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script>
setup({ explicit_done: true });
window.addEventListener("DOMContentLoaded", function() {
var scale = 2;
var epsilon = 1;
var mfrac = document.getElementById("mfrac");
var num = mfrac.firstElementChild.getBoundingClientRect();
var denom = mfrac.lastElementChild.getBoundingClientRect();
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
assert_approx_equals(num.width, 30, epsilon, "numerator width");
assert_approx_equals(num.height, 40, epsilon, "numerator height");
assert_approx_equals(denom.width, 50, epsilon, "denonimator width");
assert_approx_equals(denom.height, 60, epsilon, "denonimator height");
}, "mspace layout in sibling of SVG foreignObject[overflow=visible]");
test(function() {
assert_true(MathMLFeatureDetection.has_mfrac());
assert_greater_than_equal(denom.bottom - num.top,
(40 + 60),
"numerator above denominator");
assert_approx_equals((num.left + num.right) / 2,
(denom.left + denom.right) / 2,
epsilon, "numerator and denominator are horizontally aligned");
}, "mfrac layout in sibling of SVG with foreignObject[overflow=visible]");
done();
});
</script>
</head>
<body>
<div id="log"></div>
<math>
<mfrac id="mfrac">
<mspace width="30px" height="40px" style="background: cyan"></mspace>
<mspace width="50px" height="60px" style="background: yellow"></mspace>
</mfrac>
</math>
<svg width="200px" height="200px" style="background: lightblue">
<foreignObject width="200px" height="200px"
overflow="visible">
<div xmlns="http://www.w3.org/1999/xhtml">
This is a foreignObject
</div>
</foreignObject>
</svg>
</body>
</html>
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