| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Non space-like elements</title> |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> |
| <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/#operator-fence-separator-or-accent-mo"> |
| <link rel="help" href="https://w3c.github.io/mathml-core/#layout-of-mrow"> |
| <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> |
| <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; |
| } |
| </style> |
| <script> |
| function spaceBefore(element) { |
| var mnBeforeParent = element.parentNode.previousElementSibling; |
| return element.getBoundingClientRect().left - mnBeforeParent.getBoundingClientRect().right; |
| } |
| |
| function spaceAfter(element) { |
| var mnAfterParent = element.parentNode.nextElementSibling; |
| return mnAfterParent.getBoundingClientRect().left - element.getBoundingClientRect().right; |
| } |
| |
| setup({ explicit_done: true }); |
| window.addEventListener("load", runTests); |
| |
| function runTests() { |
| var epsilon = 1; |
| var emToPx = 25; |
| |
| Array.from(document.querySelectorAll(".testedElement")).forEach(el => { |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_operator_spacing()); |
| assert_approx_equals(spaceBefore(el), 0, epsilon); |
| assert_approx_equals(spaceAfter(el), 2 * emToPx, epsilon); |
| }, `${el.tagName} is not space-like`); |
| }); |
| |
| done(); |
| } |
| </script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mroot class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </mroot> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mfrac class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </mfrac> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mi class="testedElement">X</mi> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mmultiscripts class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </mmultiscripts> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mn class="testedElement">X</mn> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mo class="testedElement" lspace="0" rspace="0">X</mo> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mover class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </mover> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <munder class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </munder> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <ms class="testedElement">X</ms> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <munderover class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </munderover> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <msup class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </msup> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <msub class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </msub> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <msubsup class="testedElement"> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| <mtext>X</mtext> |
| </msubsup> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <msqrt class="testedElement"> |
| <mtext>X</mtext> |
| </msqrt> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mn>X</mn> |
| <mrow> |
| <mtable class="testedElement"> |
| <mtr> |
| <mtd> |
| <mtext>X</mtext> |
| </mtd> |
| </mtr> |
| </mtable> |
| <mo lspace="1em" rspace="0em">X</mo> |
| </mrow> |
| <mn>X</mn> |
| </math> |
| </p> |
| </body> |
| </html> |
