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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Legacy maction and semantics elements</title>
<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.maction">
<link rel="help" href="https://w3c.github.io/mathml-core/#enlivening-expressions">
<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.semantics">
<link rel="help" href="https://w3c.github.io/mathml-core/#semantics-and-presentation">
<meta name="assert" content="Legacy maction and semantics elements are handled as mrow with special style">
<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 type="text/javascript">
setup({ explicit_done: true });
window.addEventListener("load", runTests);
function runTests()
{
Array.from(document.getElementsByClassName("TestContainer")).forEach(container => {
const id = container.id;
const math = container.getElementsByTagName("math");
test(function() {
assert_true(MathMLFeatureDetection.has_mspace(), "<mspace> is supported");
const epsilon = 1;
compareLayout(math[0], math[1], epsilon);
}, `Element is laid out as an mrow with only first child displayed (id=${id})`);
test(function() {
assert_true(MathMLFeatureDetection.has_mspace(), "<mspace> is supported");
let firstChild = math[0].firstElementChild.firstElementChild;
for (var child = firstChild; child; child = child.nextElementSibling) {
var style = window.getComputedStyle(child).getPropertyValue("display");
if (child == firstChild) {
assert_equals(style, "math", "First child has display: math");
} else {
assert_equals(style, "none", "Other children have display: none");
}
}
}, `Computed display of children (id=${id})`);
});
done();
}
</script>
<style>
mspace:nth-child(2n) {
background: lightblue;
}
mspace:nth-child(2n+1) {
background: lightgreen;
}
mrow.onlyShowFirstChild > :not(:first-child) {
display: none;
}
</style>
</head>
<body>
<div id="log"></div>
<p class="TestContainer" id="semantics">
<math>
<semantics>
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</semantics>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</mrow>
</math>
</p>
<p class="TestContainer" id="semantics-annotations">
<math>
<semantics>
<mspace width="10px" height="10px"></mspace>
<annotation>ANNOTATION</annotation>
<annotation-xml>ANNOTATION-XML</annotation-xml>
</semantics>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<annotation>ANNOTATION</annotation>
<annotation-xml>ANNOTATION-XML</annotation-xml>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction">
<math>
<maction>
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction-toggle">
<math>
<maction actiontype="toggle">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction-toggle-selection">
<math>
<maction actiontype="toggle" selection="3">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mspace width="10px" depth="10px"></mspace>
<mspace width="10px" height="15px" depth="5px"></mspace>
<mspace width="10px" height="5px" depth="15px"></mspace>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction-statusline">
<math>
<maction actiontype="statusline">
<mspace width="10px" height="10px"></mspace>
<mtext>MESSAGE</mtext>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mtext>MESSAGE</mtext>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction-tooltip">
<math>
<maction actiontype="tooltip">
<mspace width="10px" height="10px"></mspace>
<mtext>MESSAGE</mtext>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
<mtext>MESSAGE</mtext>
</mrow>
</math>
</p>
<p class="TestContainer" id="maction-input">
<math>
<maction actiontype="input">
<mspace width="10px" height="10px"></mspace>
</maction>
</math>
<math>
<mrow class="onlyShowFirstChild">
<mspace width="10px" height="10px"></mspace>
</mrow>
</math>
</p>
</body>
</html>
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