| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Edge cases for minsize and maxsize</title> |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> |
| <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#dictionary-based-attributes"> |
| <meta name="assert" content="Verify edge cases for minsize and maxsize ."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| math { |
| font: 25px/1 Ahem; |
| } |
| @font-face { |
| font-family: operators; |
| src: url("/fonts/math/operators.woff"); |
| } |
| mo { |
| font-family: operators; |
| } |
| </style> |
| <script> |
| setup({ explicit_done: true }); |
| window.addEventListener("load", () => { document.fonts.ready.then(runTests); }); |
| |
| function runTests() { |
| var epsilon = 1; |
| var emToPx = 25; |
| test(function() { |
| assert_approx_equals(document.getElementById("negative_minsize").getBoundingClientRect().height, 5 * emToPx, epsilon); |
| }, `minsize < 0 is treated as 0`); |
| |
| test(function() { |
| assert_approx_equals(document.getElementById("maxsize_less_than_minsize").getBoundingClientRect().height, 7 * emToPx, epsilon); |
| }, `maxsize < minsize is treated as maxsize = minsize`); |
| |
| test(function() { |
| assert_less_than(document.getElementById("minsize_less_than_negative_maxsize").getBoundingClientRect().height, 2 * emToPx); |
| }, `minsize < maxsize < 0 is treated as maxsize = minsize = 0`); |
| |
| test(function() { |
| assert_approx_equals(document.getElementById("zero_target_size_with_minsize").getBoundingClientRect().height, 4 * emToPx, epsilon); |
| }, `target size = 0 is treated as Tascent = Tdescent = minsize/2`); |
| |
| done(); |
| } |
| </script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <p> |
| <math> |
| <mrow> |
| <mspace width="1em" height="5em" style="background: blue"/> |
| <mo id="negative_minsize" minsize="-10em" stretchy="true" symmetric="false">⥯</mo> |
| <mn><!-- not space like --></mn> |
| </mrow> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mrow> |
| <mspace width="1em" height="5em" style="background: blue"/> |
| <mo id="maxsize_less_than_minsize" minsize="7em" maxsize="2em" stretchy="true" symmetric="false">⥯</mo> |
| <mn><!-- not space like --></mn> |
| </mrow> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mrow> |
| <mspace width="1em" height="5em" style="background: blue"/> |
| <mo id="minsize_less_than_negative_maxsize" minsize="-2em" maxsize="-1em" stretchy="true" symmetric="false">⥯</mo> |
| <mn><!-- not space like --></mn> |
| </mrow> |
| </math> |
| </p> |
| <p> |
| <math> |
| <mrow> |
| <mspace width="1em" height="0em" style="background: blue"/> |
| <mo id="zero_target_size_with_minsize" minsize="2em" stretchy="true" symmetric="true">⥯</mo> |
| <mn><!-- not space like --></mn> |
| </mrow> |
| </math> |
| </p> |
| </body> |
| </html> |
