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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /mathml/presentation-markup/spaces/space-like-004.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Space-like elements</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<meta name="assert" content="Verify definition of space-like elements">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/box-navigation.js"></script>
<style>
/* Default spacing of operator 'X' is 0.2777777777777778em so quite different
from the measured/specified 0em and 1em. */
math, math * {
font: 25px/1 Ahem;
}
mn {
color: black;
}
mo {
color: yellow;
}
.testedElement, .testedElement * {
color: blue !important;
background: blue !important;
}
.oof1 {
position: absolute;
}
.oof2 {
position: fixed;
}
.nobox {
display: none;
}
</style>
<script>
function spaceBefore(id) {
var element = document.getElementById(id);
var mnBeforeParent = previousInFlowSibling(element.parentNode);
return element.getBoundingClientRect().left - mnBeforeParent.getBoundingClientRect().right;
}
function spaceAfter(id) {
var element = document.getElementById(id);
var mnAfterParent = nextInFlowSibling(element.parentNode);
return mnAfterParent.getBoundingClientRect().left - element.getBoundingClientRect().right;
}
setup({ explicit_done: true });
window.addEventListener("load", runTests);
function runTests() {
var epsilon = 1;
var emToPx = 25;
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
assert_approx_equals(spaceBefore("complex1"), emToPx, epsilon);
assert_approx_equals(spaceAfter("complex1"), emToPx, epsilon);
}, "complex space-like subtree");
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
assert_approx_equals(spaceBefore("complex1-bis"), emToPx, epsilon);
assert_approx_equals(spaceAfter("complex1-bis"), emToPx, epsilon);
}, "complex space-like subtree, from in-flow children");
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
assert_approx_equals(spaceBefore("complex2"), 0, epsilon);
assert_approx_equals(spaceAfter("complex2"), 2 * emToPx, epsilon);
}, "complex non-space-like subtree");
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
assert_approx_equals(spaceBefore("complex2-bis"), 0, epsilon);
assert_approx_equals(spaceAfter("complex2-bis"), 2 * emToPx, epsilon);
}, "complex non-space-like subtree, from in-flow children");
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math>
<mn>X</mn>
<mrow>
<!-- This element is space-like because it is made of nested
mrow, mstyle, mpadded, mphantom, mtext, mspace
-->
<mrow class="testedElement" id="complex1">
<mtext>X</mtext>
<mstyle>
<mstyle>
<mtext>X</mtext>
<mtext>X</mtext>
</mstyle>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mpadded>
<mtext>X</mtext>
<mrow></mrow>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mphantom>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mphantom>
<mrow>
<mtext>X</mtext>
<mtext>X</mtext>
</mrow>
<mspace width="25px"></mspace>
</mpadded>
<mspace width="25px"></mspace>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mpadded>
<mphantom>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mphantom>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mphantom>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mphantom>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mpadded>
</mstyle>
<mspace width="25px"></mspace>
</mrow>
<mo lspace="1em" rspace="0em">X</mo>
</mrow>
<mn>X</mn>
</math>
</p>
<p>
<math>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mn>X</mn>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow>
<!-- This element is space-like because it is made of nested
mrow, mstyle, mpadded, mphantom, mtext, mspace
-->
<mrow class="testedElement" id="complex1-bis">
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow></mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mo lspace="1em" rspace="0em">X</mo>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mn>X</mn>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</math>
</p>
<p>
<math>
<mn>X</mn>
<mrow>
<!-- This element is not space-like. It is made of nested
mrow, mstyle, mpadded, mphantom, mtext, mspace but contains
one non-space like descendant (an mn element).
-->
<mrow class="testedElement" id="complex2">
<mtext>X</mtext>
<mstyle>
<mstyle>
<mtext>X</mtext>
<mtext>X</mtext>
</mstyle>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mpadded>
<mtext>X</mtext>
<mrow></mrow>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mphantom>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mphantom>
<mrow>
<mtext>X</mtext>
<mtext>X</mtext>
</mrow>
<mspace width="25px"></mspace>
</mpadded>
<mspace width="25px"></mspace>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mpadded>
<mphantom>
<mn>X</mn> <!-- mn is not space-like -->
<mspace width="25px"></mspace>
</mphantom>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
<mphantom>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mphantom>
<mtext>X</mtext>
<mtext>X</mtext>
<mspace width="25px"></mspace>
</mpadded>
</mstyle>
<mspace width="25px"></mspace>
</mrow>
<mo lspace="1em" rspace="0em">X</mo>
</mrow>
<mn>X</mn>
</math>
</p>
<p>
<math>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mn>X</mn>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow>
<!-- This element is not space-like. It is made of nested
mrow, mstyle, mpadded, mphantom, mtext, mspace but contains
one non-space like descendant (an mn element).
-->
<mrow class="testedElement" id="complex2-bis">
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow></mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mn>X</mn> <!-- mn is not space-like -->
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mphantom>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mtext>X</mtext>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mpadded>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mstyle>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mspace width="25px"></mspace>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mo lspace="1em" rspace="0em">X</mo>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</mrow>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
<mn>X</mn>
<mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn>
</math>
</p>
</body>
</html>