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diff --git a/testing/web-platform/tests/mathml/presentation-markup/operators/embellished-operator-002.html b/testing/web-platform/tests/mathml/presentation-markup/operators/embellished-operator-002.html new file mode 100644 index 0000000000..7ab05441c3 --- /dev/null +++ b/testing/web-platform/tests/mathml/presentation-markup/operators/embellished-operator-002.html @@ -0,0 +1,559 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>Embellished operators</title> +<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> +<link rel="help" href="https://w3c.github.io/mathml-core/#embellished-operators"> +<link rel="help" href="https://w3c.github.io/mathml-core/#definition-of-space-like-elements"> +<link rel="help" href="https://w3c.github.io/mathml-core/#layout-of-mrow"> +<meta name="assert" content="Verify definition of embellished operators"> +<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; + } + mtext.space-like { + color: lightblue !important; + } + .testedElement mo { + color: yellow !important; + } + .testedElement, .testedElement * { + color: blue !important; + background: blue !important; + } + .oof1 { + position: absolute; + } + .oof2 { + position: fixed; + } + .nobox { + display: none; + } +</style> +<script> + function spaceBeforeElement(element) { + var mnBefore = previousInFlowSibling(element); + return element.getBoundingClientRect().left - mnBefore.getBoundingClientRect().right; + } + + setup({ explicit_done: true }); + window.addEventListener("load", runTests); + + function runTests() { + var epsilon = 1; + var emToPx = 25; + + ["msub", "msup", "msubsup", "munder", "mover", "munderover", + "mmultiscripts", "mfrac"].forEach(tag => { + test(function() { + assert_true(MathMLFeatureDetection.has_operator_spacing()); + var element = document.getElementsByTagName(tag)[0]; + assert_approx_equals(spaceBeforeElement(element), 2 * emToPx, epsilon); + }, `${tag} (embellished operator)`); + + test(function() { + assert_true(MathMLFeatureDetection.has_operator_spacing()); + var element = document.getElementsByTagName(tag)[1]; + assert_approx_equals(spaceBeforeElement(element), 2 * emToPx, epsilon); + }, `${tag} (embellished operator, from in-flow children)`); + + test(function() { + assert_true(MathMLFeatureDetection.has_operator_spacing()); + var element = document.getElementsByTagName(tag)[2]; + assert_approx_equals(spaceBeforeElement(element), 0, epsilon); + }, `${tag} (not embellished operator)`); + + test(function() { + assert_true(MathMLFeatureDetection.has_operator_spacing()); + var element = document.getElementsByTagName(tag)[3]; + assert_approx_equals(spaceBeforeElement(element), 0, epsilon); + }, `${tag} (not embellished operator, from in-flow children)`); + }); + done(); + } +</script> +</head> +<body> + <div id="log"></div> + <!-- <msub>, <msup>, <msubsup>, <munder>, <mover>, <munderover>, + <mmultiscripts>, <mfrac> are embellished + operators if their first in-flow + child exists and is an embellished operator --> + <p> + <math> + <mn>X</mn> + <msub class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </msub> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <msup class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </msup> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <msubsup class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + <mn>X</mn> + </msubsup> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <munder class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </munder> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mover class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </mover> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <munderover class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </munderover> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mmultiscripts class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + <mn>X</mn> + <mn>X</mn> + <mn>X</mn> + </mmultiscripts> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mfrac class="testedElement"> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </mfrac> + <mn>X</mn> + </math> + </p> + + <!-- Only in-flow children affect determination of embellished operators. --> + <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> + <msub class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </msub> + <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 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> + <msup class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </msup> + <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 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> + <msubsup class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + <mn>X</mn> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </msubsup> + <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 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> + <munder class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </munder> + <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 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> + <mover class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </mover> + <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 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> + <munderover class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </munderover> + <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 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> + <mmultiscripts class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + <mn>X</mn> + <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> + <mn>X</mn> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </mmultiscripts> + <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 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> + <mfrac class="testedElement"> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </mfrac> + <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> + + <!-- <msub>, <msup>, <msubsup>, <munder>, <mover>, <munderover>, + <mmultiscripts>, <mfrac> are not embellished + operators if their first in-flow child is not an embellished operator --> + <p> + <math> + <mn>X</mn> + <msub class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </msub> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <msup class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </msup> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <msubsup class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + </msubsup> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <munder class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </munder> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mover class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </mover> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <munderover class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </munderover> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mmultiscripts class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + <mn>X</mn> + <mn>X</mn> + <mn>X</mn> + </mmultiscripts> + <mn>X</mn> + </math> + </p> + <p> + <math> + <mn>X</mn> + <mfrac class="testedElement"> + <mn>X</mn> + <mo lspace="2em" rspace="0em">X</mo> + </mfrac> + <mn>X</mn> + </math> + </p> + + <!-- Only in-flow children affect determination of embellished operators. --> + <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> + <msub class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </msub> + <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 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> + <msup class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </msup> + <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 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> + <msubsup class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <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> + </msubsup> + <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 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> + <munder class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </munder> + <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 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> + <mover class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </mover> + <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 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> + <munderover class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </munderover> + <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 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> + <mmultiscripts class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <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> + <mn>X</mn> + <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> + </mmultiscripts> + <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 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> + <mfrac class="testedElement"> + <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> + <mo lspace="2em" rspace="0em">X</mo> + <mn class="oof1">0</mn><mn class="oof2">1</mn><mn class="nobox">2</mn> + </mfrac> + <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> |