<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Stack parameters</title> <link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#SS3.SSS2"> <meta name="assert" content="Element mfrac correctly uses the stack parameters from the MATH table."> <!-- Copyright 2016 MathML Association Licensed under 3-Clause BSD-License --> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <style> math, mspace { font-size: 10px; } @font-face { font-family: axisheight7000; src: url("fonts/stack-axisheight7000.woff"); } @font-face { font-family: bottomdisplaystyleshiftdown5000; src: url("fonts/stack-bottomdisplaystyleshiftdown5000.woff"); } @font-face { font-family: bottomshiftdown6000; src: url("fonts/stack-bottomshiftdown6000.woff"); } @font-face { font-family: displaystylegapmin4000; src: url("fonts/stack-displaystylegapmin4000.woff"); } @font-face { font-family: gapmin8000; src: url("fonts/stack-gapmin8000.woff"); } @font-face { font-family: topdisplaystyleshiftup3000; src: url("fonts/stack-topdisplaystyleshiftup3000.woff"); } @font-face { font-family: topshiftup9000; src: url("fonts/stack-topshiftup9000.woff"); } </style> <script> var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000 var epsilon = 1; function getBox(aId) { return document.getElementById(aId).getBoundingClientRect(); } var test_loaded = async_test("Page Loaded"); window.addEventListener("load", function() { // FIXME: Use an API to wait for the Web fonts to arrive. window.setTimeout(runTests, 250); }); function runTests() { test(function() { var v = 7000 * emToPx; assert_approx_equals(getBox("ref0001").top - getBox("num0001").bottom, v, epsilon, "mfrac: axis height"); }, "AxisHeight"); test(function() { var v = 5000 * emToPx; assert_approx_equals(getBox("den0002").top - getBox("ref0002").bottom, v, epsilon, "mfrac: denominator shift"); }, "BottomDisplayStyleShiftDown"); test(function() { var v = 6000 * emToPx; assert_approx_equals(getBox("den0003").top - getBox("ref0003").bottom, v, epsilon, "mfrac: denominator shift"); }, "BottomShiftDown"); test(function() { var v = 4000 * emToPx; assert_approx_equals(getBox("den0004").top - getBox("num0004").bottom, v, epsilon, "mfrac: gap"); }, "DisplayStyleGapMin"); test(function() { var v = 8000 * emToPx; assert_approx_equals(getBox("den0005").top - getBox("num0005").bottom, v, epsilon, "mfrac: gap"); }, "GapMin"); test(function() { var v = 3000 * emToPx; assert_approx_equals(getBox("ref0006").top - getBox("num0006").bottom, v, epsilon, "mfrac: numerator shift"); }, "TopDisplayStyleShiftUp"); test(function() { var v = 9000 * emToPx; assert_approx_equals(getBox("ref0007").top - getBox("num0007").bottom, v, epsilon, "mfrac: numerator shift"); }, "ToShiftUp"); test_loaded.done(); } </script> </head> <body> <p> <math style="font-family: axisheight7000;"> <mspace id="ref0001" depth="1em" width="3em" mathbackground="green"/> <mfrac linethickness="0px"> <mspace width="3em" height="1em" id="num0001" mathbackground="blue"/> <mspace width="3em"/> </mfrac> </math> </p> <hr/> <p> <math display="block" style="font-family: bottomdisplaystyleshiftdown5000;"> <mspace id="ref0002" width="3em" height="1em" mathbackground="green"/> <mfrac linethickness="0px"> <mspace width="3em"/> <mspace width="3em" depth="1em" id="den0002" mathbackground="blue"/> </mfrac> </math> </p> <hr/> <p> <math style="font-family: bottomshiftdown6000;"> <mspace id="ref0003" width="3em" height="1em" mathbackground="green"/> <mfrac linethickness="0px"> <mspace width="3em"/> <mspace width="3em" depth="1em" id="den0003" mathbackground="blue"/> </mfrac> </math> </p> <hr/> <p> <math display="block" style="font-family: displaystylegapmin4000;"> <mfrac linethickness="0px"> <mspace width="3em" height="1em" id="num0004" mathbackground="blue"/> <mspace width="3em" depth="1em" id="den0004" mathbackground="green"/> </mfrac> </math> </p> <hr/> <p> <math style="font-family: gapmin8000;"> <mfrac linethickness="0px"> <mspace width="3em" height="1em" id="num0005" mathbackground="blue"/> <mspace width="3em" depth="1em" id="den0005" mathbackground="green"/> </mfrac> </math> </p> <hr/> <p> <math display="block" style="font-family: topdisplaystyleshiftup3000;"> <mspace id="ref0006" width="3em" depth="1em" mathbackground="green"/> <mfrac linethickness="0px"> <mspace width="3em" height="1em" id="num0006" mathbackground="blue"/> <mspace width="3em"/> </mfrac> </math> </p> <hr/> <p> <math style="font-family: topshiftup9000;"> <mspace id="ref0007" width="3em" depth="1em" mathbackground="green"/> <mfrac linethickness="0px"> <mspace width="3em" height="1em" id="num0007" mathbackground="blue"/> <mspace width="3em"/> </mfrac> </math> </p> <hr/> </body> </html>