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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>writing mode</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#layout-algorithms">
<meta name="assert" content="Verify CSS writing mode (writing-mode and directionproperties) for mrow.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/layout-comparison.js"></script>
<script>
var epsilon = 1;
setup({ explicit_done: true });
window.addEventListener("load", runTests);
function runTests() {
var reference = document.getElementById("horizontal-tb_ltr");
["horizontal-tb_rtl"].forEach(id => {
var element = document.getElementById(id);
test(function() {
var style = window.getComputedStyle(element);
var writingMode = id.split("_");
assert_equals(style.getPropertyValue("writing-mode"),
writingMode[0], "writing-mode");
assert_equals(style.getPropertyValue("direction"),
writingMode[1], "direction");
}, `Inheritance of CSS writing-mode and direction (id='${id}')`);
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
compareLayout(element, reference, epsilon);
}, `Layout of mrow (id='${id}')`);
});
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math>
<mrow id="horizontal-tb_ltr">
<mspace style="background: blue"
width="20px" height="30px" depth="40px"></mspace>
<mspace style="background: black"
width="50px" depth="60px"></mspace>
<mspace style="background: yellow"
width="70px" height="80px"></mspace>
</mrow>
</math>
</p>
<p>
<math style="direction: rtl;">
<mrow id="horizontal-tb_rtl">
<mspace style="background: blue"
width="20px" height="30px" depth="40px"></mspace>
<mspace style="background: black"
width="50px" depth="60px"></mspace>
<mspace style="background: yellow"
width="70px" height="80px"></mspace>
</mrow>
</math>
</p>
</body>
</html>
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