252 lines
5.6 KiB
HTML
252 lines
5.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Non space-like elements</title>
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<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
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<link rel="help" href="https://w3c.github.io/mathml-core/#definition-of-space-like-elements">
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<link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
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<link rel="help" href="https://w3c.github.io/mathml-core/#layout-of-mrow">
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<meta name="assert" content="Verify definition of space-like elements">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/mathml/support/feature-detection.js"></script>
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<style>
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/* Default spacing of operator 'X' is 0.2777777777777778em so quite different
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from the measured/specified 0em and 1em. */
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math, math * {
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font: 25px/1 Ahem;
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}
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mn {
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color: black;
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}
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mo {
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color: yellow;
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}
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.testedElement, .testedElement * {
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color: blue !important;
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background: blue !important;
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}
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</style>
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<script>
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function spaceBefore(element) {
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var mnBeforeParent = element.parentNode.previousElementSibling;
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return element.getBoundingClientRect().left - mnBeforeParent.getBoundingClientRect().right;
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}
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function spaceAfter(element) {
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var mnAfterParent = element.parentNode.nextElementSibling;
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return mnAfterParent.getBoundingClientRect().left - element.getBoundingClientRect().right;
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}
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setup({ explicit_done: true });
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window.addEventListener("load", runTests);
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function runTests() {
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var epsilon = 1;
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var emToPx = 25;
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Array.from(document.querySelectorAll(".testedElement")).forEach(el => {
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test(function() {
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assert_true(MathMLFeatureDetection.has_operator_spacing());
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assert_approx_equals(spaceBefore(el), 0, epsilon);
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assert_approx_equals(spaceAfter(el), 2 * emToPx, epsilon);
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}, `${el.tagName} is not space-like`);
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});
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done();
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}
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</script>
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</head>
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<body>
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<div id="log"></div>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mroot class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</mroot>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mfrac class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</mfrac>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mi class="testedElement">X</mi>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mmultiscripts class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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<mtext>X</mtext>
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</mmultiscripts>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mn class="testedElement">X</mn>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mo class="testedElement" lspace="0" rspace="0">X</mo>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mover class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</mover>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<munder class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</munder>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<ms class="testedElement">X</ms>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<munderover class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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<mtext>X</mtext>
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</munderover>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<msup class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</msup>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<msub class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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</msub>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<msubsup class="testedElement">
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<mtext>X</mtext>
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<mtext>X</mtext>
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<mtext>X</mtext>
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</msubsup>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<msqrt class="testedElement">
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<mtext>X</mtext>
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</msqrt>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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<p>
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<math>
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<mn>X</mn>
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<mrow>
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<mtable class="testedElement">
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<mtr>
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<mtd>
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<mtext>X</mtext>
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</mtd>
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</mtr>
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</mtable>
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<mo lspace="1em" rspace="0em">X</mo>
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</mrow>
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<mn>X</mn>
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</math>
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</p>
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</body>
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</html>
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