| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>displaystyle</title> |
| <link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S2.html#SS3.SSS1"> |
| <meta name="assert" content="Verify that the correct inheritance of the displaystyle value by measuring the size of large operators."> |
| <style> |
| @font-face { |
| font-family: TestFont; |
| src: url("/fonts/math/largeop-displayoperatorminheight5000.woff"); |
| } |
| math { |
| font-family: TestFont; |
| font-size: 10px; |
| } |
| </style> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| setup({ explicit_done: true }); |
| var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000 |
| var epsilon = 5; |
| function verify_displaystyle(element, displaystyle, description) { |
| if (typeof element === "string") |
| element = document.getElementById(element); |
| var elementSize = element.getBoundingClientRect().height; |
| if (displaystyle) |
| assert_approx_equals(elementSize, 5000 * emToPx, epsilon, description); |
| else |
| assert_approx_equals(elementSize, 1000 * emToPx, epsilon, description); |
| } |
| |
| window.addEventListener("load", function() { |
| // Delay the check to workaround WebKit's bug https://webkit.org/b/174030. |
| requestAnimationFrame(() => { document.fonts.ready.then(runTests); }); |
| }); |
| |
| function runTests() { |
| test(function() { |
| verify_displaystyle("math_default", false, "default"); |
| verify_displaystyle("math_inline", false, "explicit display inline"); |
| verify_displaystyle("math_block", true, "explicit display block"); |
| verify_displaystyle("math_false", false, "explicit displaystyle false"); |
| verify_displaystyle("math_true", true, "explicit displaystyle true"); |
| }, "math element"); |
| test(function() { |
| verify_displaystyle("mstyle_false", false, "explicit displaystyle false"); |
| verify_displaystyle("mstyle_true", true, "explicit displaystyle true"); |
| }, "mstyle element"); |
| test(function() { |
| verify_displaystyle("mtable_default", false, "default"); |
| verify_displaystyle("mtable_false", false, "explicit displaystyle false"); |
| verify_displaystyle("mtable_true", true, "explicit displaystyle true"); |
| }, "mtable element"); |
| test(function() { |
| verify_displaystyle("mfrac_numerator", false, "numerator"); |
| verify_displaystyle("mfrac_denominator", false, "denominator"); |
| }, "mfrac element"); |
| test(function() { |
| verify_displaystyle("mroot_base", true, "base"); |
| verify_displaystyle("mroot_index", false, "index"); |
| }, "mroot element"); |
| test(function() { |
| verify_displaystyle("msub_base", true, "base"); |
| verify_displaystyle("msub_subscript", false, "subscript"); |
| }, "msub element"); |
| test(function() { |
| verify_displaystyle("msup_base", true, "base"); |
| verify_displaystyle("msup_supscript", false, "supscript"); |
| }, "msup element"); |
| test(function() { |
| verify_displaystyle("msubsup_base", true, "base"); |
| verify_displaystyle("msubsup_subscript", false, "subscript"); |
| verify_displaystyle("msubsup_supscript", false, "supscript"); |
| }, "msubsup element"); |
| test(function() { |
| verify_displaystyle("munder_base", true, "base"); |
| verify_displaystyle("munder_underscript", false, "underscript"); |
| }, "munder element"); |
| test(function() { |
| verify_displaystyle("mover_base", true, "base"); |
| verify_displaystyle("mover_overscript", false, "overscript"); |
| }, "mover element"); |
| test(function() { |
| verify_displaystyle("munderover_base", true, "base"); |
| verify_displaystyle("munderover_underscript", false, "underscript"); |
| verify_displaystyle("munderover_overscript", false, "overscript"); |
| }, "munderover element"); |
| done(); |
| } |
| </script> |
| </head> |
| <body> |
| <math><mo id="math_default">⫿</mo></math> |
| <math display="inline"><mo id="math_inline">⫿</mo></math> |
| <math display="block"><mo id="math_block">⫿</mo></math> |
| <math displaystyle="false"><mo id="math_false">⫿</mo></math> |
| <math displaystyle="true"><mo id="math_true">⫿</mo></math> |
| <math><mstyle displaystyle="false"><mo id="mstyle_false">⫿</mo></mstyle></math> |
| <math><mstyle displaystyle="true"><mo id="mstyle_true">⫿</mo></mstyle></math> |
| <math displaystyle="true"><mtable><mtr><mtd><mo id="mtable_default">⫿</mo></mtd></mtr></mtable></math> |
| <math><mtable displaystyle="true"><mtr><mtd><mo id="mtable_true">⫿</mo></mtd></mtr></mtable></math> |
| <math displaystyle="true"><mtable displaystyle="false"><mtr><mtd><mo id="mtable_false">⫿</mo></mtd></mtr></mtable></math> |
| <math displaystyle="true"><mfrac><mo id="mfrac_numerator">⫿</mo><mo id="mfrac_denominator">⫿</mo></mfrac></math> |
| <math displaystyle="true"><mroot><mo id="mroot_base">⫿</mo><mo id="mroot_index">⫿</mo></mroot></math> |
| <math displaystyle="true"><msub><mo id="msub_base">⫿</mo><mo id="msub_subscript">⫿</mo></msub></math> |
| <math displaystyle="true"><msup><mo id="msup_base">⫿</mo><mo id="msup_supscript">⫿</mo></msup></math> |
| <math displaystyle="true"><msubsup><mo id="msubsup_base">⫿</mo><mo id="msubsup_subscript">⫿</mo><mo id="msubsup_supscript">⫿</mo></msubsup></math> |
| <math displaystyle="true"><mmultiscripts><mo id="mmultiscripts_base">⫿</mo><mo id="mmultiscripts_subscript">⫿</mo><mo id="mmultiscripts_supscript">⫿</mo><mprescripts/><mo id="mmultiscripts_presubscript">⫿</mo><mo id="mmultiscripts_presupscript">⫿</mo></mmultiscripts></math> |
| <math displaystyle="true"><munder><mo id="munder_base">⫿</mo><mo id="munder_underscript">⫿</mo></munder></math> |
| <math displaystyle="true"><mover><mo id="mover_base">⫿</mo><mo id="mover_overscript">⫿</mo></mover></math> |
| <math displaystyle="true"><munderover><mo id="munderover_base">⫿</mo><mo id="munderover_underscript">⫿</mo><mo id="munderover_overscript">⫿</mo></munderover></math> |
| </body> |
| </html> |
