| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Radical parameters</title> |
| <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#radicals-msqrt-mroot"> |
| <meta name="assert" content="Test edge kerning values for radicals."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/mathml/support/feature-detection.js"></script> |
| <style> |
| @font-face { |
| font-family: radical-negativekernbeforedegree1000-rulethickness1000; |
| src: url("/fonts/math/radical-negativekernbeforedegree1000-rulethickness1000.woff"); |
| } |
| @font-face { |
| font-family: radical-kernafterdegreeminus5000-rulethickness1000; |
| src: url("/fonts/math/radical-kernafterdegreeminus5000-rulethickness1000.woff"); |
| } |
| math, mspace { |
| font-size: 10px; |
| } |
| mspace { |
| opacity: .5; |
| } |
| </style> |
| <script> |
| var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000 |
| var epsilon = 1; |
| |
| function getBox(aId) { |
| return document.getElementById(aId).getBoundingClientRect(); |
| } |
| |
| function runTests() { |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| assert_approx_equals(getBox("index001").left - getBox("mroot001").left, |
| 0, epsilon, "should be clamped to 0"); |
| }, "RadicalKernBeforeDegree = -1em < 0"); |
| |
| test(function() { |
| assert_true(MathMLFeatureDetection.has_mspace()); |
| var radicalSymbolWidth = 1000 * emToPx; |
| var radicalLeft = getBox("base002").left - radicalSymbolWidth; |
| assert_approx_equals(getBox("index002").right - radicalLeft, |
| 30, epsilon, "should be clamped to 3em"); |
| }, "RadicalKernBeforeAfterDegree = -5em < -3em = -degree's inline size"); |
| |
| done(); |
| } |
| |
| setup({ explicit_done: true }); |
| window.addEventListener("load", () => { document.fonts.ready.then(runTests); }); |
| |
| </script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <p> |
| <math style="font-family: radical-negativekernbeforedegree1000-rulethickness1000"> |
| <mroot id="mroot001"> |
| <mspace id="base001" height="6em" width="6em" style="background: blue"/> |
| <mspace id="index001" height="6em" width="6em" style="background: green"/> |
| </mroot> |
| </math> |
| </p> |
| <hr/> |
| <p> |
| <math style="font-family: radical-kernafterdegreeminus5000-rulethickness1000"> |
| <mroot id="mroot002"> |
| <mspace id="base002" height="3em" width="3em" style="background: blue"/> |
| <mspace id="index002" height="3em" width="3em" style="background: green"/> |
| </mroot> |
| </math> |
| </p> |
| </body> |
| </html> |
