| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Underscripts and Overscripts parameters</title> |
| <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover"> |
| <meta name="assert" content="Elements munder, mover, munderover correctly use the limit parameters from the MATH table."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/mathml/support/feature-detection.js"></script> |
| <style> |
| math, mspace, mo { |
| font-size: 10px; |
| } |
| @font-face { |
| font-family: lowerlimitbaselinedropmin3000; |
| src: url("/fonts/math/limits-lowerlimitbaselinedropmin3000.woff"); |
| } |
| @font-face { |
| font-family: lowerlimitgapmin11000; |
| src: url("/fonts/math/limits-lowerlimitgapmin11000.woff"); |
| } |
| @font-face { |
| font-family: upperlimitbaselinerisemin5000; |
| src: url("/fonts/math/limits-upperlimitbaselinerisemin5000.woff"); |
| } |
| @font-face { |
| font-family: upperlimitgapmin7000; |
| src: url("/fonts/math/limits-upperlimitgapmin7000.woff"); |
| } |
| </style> |
| <script> |
| var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000 |
| var epsilon = 1; |
| |
| function getBox(aId) { |
| return document.getElementById(aId).getBoundingClientRect(); |
| } |
| |
| setup({ explicit_done: true }); |
| window.addEventListener("load", () => { document.fonts.ready.then(runTests); }); |
| |
| function runTests() { |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| |
| var v = 3000 * emToPx; |
| assert_approx_equals(getBox("under00011").top - getBox("ref0001").bottom, |
| v, epsilon, "munder: under shift"); |
| assert_approx_equals(getBox("under00012").top - getBox("ref0001").bottom, |
| v, epsilon, "munderover: under shift"); |
| }, "LowerLimitBaselineDropMin"); |
| |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| |
| var v = 11000 * emToPx; |
| assert_approx_equals(getBox("under00021").top - getBox("ref0002").bottom, |
| v, epsilon, "munder: under gap"); |
| assert_approx_equals(getBox("under00022").top - getBox("ref0002").bottom, |
| v, epsilon, "munderover: under gap"); |
| }, "LowerLimitGapMin"); |
| |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| |
| var v = 5000 * emToPx; |
| assert_approx_equals(getBox("ref0003").top - getBox("over00031").bottom, |
| v, epsilon, "mover: over shift"); |
| assert_approx_equals(getBox("ref0003").top - getBox("over00032").bottom, |
| v, epsilon, "munderover: over shift"); |
| }, "UpperLimitBaselineRiseMin"); |
| |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| |
| var v = 7000 * emToPx; |
| assert_approx_equals(getBox("ref0004").top - getBox("over00041").bottom, |
| v, epsilon, "mover: over shift"); |
| assert_approx_equals(getBox("ref0004").top - getBox("over00042").bottom, |
| v, epsilon, "munderover: over shift"); |
| }, "UpperLimitGapMin"); |
| |
| done(); |
| } |
| </script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <p> |
| <math style="font-family: lowerlimitbaselinedropmin3000;"> |
| <mspace id="ref0001" height="1em" width="3em" style="background: green"/> |
| <munder> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="under00011" depth="1em" width="3em" style="background: blue"/> |
| </munder> |
| <munderover> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="under00012" depth="1em" width="3em" style="background: blue"/> |
| <mspace height="1em" width="3em" style="background: black"/> |
| </munderover> |
| </math> |
| </p> |
| <hr/> |
| <p> |
| <math style="font-family: lowerlimitgapmin11000;"> |
| <mspace id="ref0002" height="1em" width="3em" style="background: green"/> |
| <munder> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="under00021" depth="1em" width="3em" style="background: blue"/> |
| </munder> |
| <munderover> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="under00022" depth="1em" width="3em" style="background: blue"/> |
| <mspace height="1em" width="3em" style="background: black"/> |
| </munderover> |
| </math> |
| </p> |
| <hr/> |
| <p> |
| <math style="font-family: upperlimitbaselinerisemin5000;"> |
| <mspace id="ref0003" height="1em" width="3em" style="background: green"/> |
| <mover> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="over00031" height="1em" width="3em" style="background: blue"/> |
| </mover> |
| <munderover> |
| <mo movablelimits="false">∑</mo> |
| <mspace height="1em" width="3em" style="background: black"/> |
| <mspace id="over00032" height="1em" width="3em" style="background: blue"/> |
| </munderover> |
| </math> |
| </p> |
| <hr/> |
| <p> |
| <math style="font-family: upperlimitgapmin7000;"> |
| <mspace id="ref0004" height="1em" width="3em" style="background: green"/> |
| <mover> |
| <mo movablelimits="false">∑</mo> |
| <mspace id="over00041" depth="1em" width="3em" style="background: blue"/> |
| </mover> |
| <munderover> |
| <mo movablelimits="false">∑</mo> |
| <mspace height="1em" width="3em" style="background: black"/> |
| <mspace id="over00042" depth="1em" width="3em" style="background: blue"/> |
| </munderover> |
| </math> |
| </p> |
| </body> |
| </html> |
