mo-lspace-rspace-with-positive-scriptlevel.html

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This WPT test may be referenced by the following Test IDs:
- /mathml/presentation-markup/operators/mo-lspace-rspace-with-positive-scriptlevel.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>No tuning of lspace/rspace when scriptlevel is positive</title>

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2018406"/>

<link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/mathml/support/feature-detection.js"></script>

<style>

  math { font: 100px/1 Ahem; }

</style>

<math display="block">

  <mrow id="big"><mn>1</mn><mo>O</mo><mn>2</mn></mrow>

</math>

<math display="block">

  <mstyle id="small" scriptlevel="1"><mn>3</mn><mo>O</mo><mn>4</mn></mstyle>

</math>

<script>

  test(function() {

    const epsilon = 0.1;

    let bigWidth = big.children[0].getBoundingClientRect().width;

    let smallWidth = small.children[0].getBoundingClientRect().width;

    let bigSpace =

        big.getBoundingClientRect().width -

        bigWidth * big.children.length;

    let smallSpace =

        small.getBoundingClientRect().width -

        smallWidth * small.children.length;

    assert_approx_equals(smallSpace / bigSpace,  smallWidth / bigWidth, epsilon);

  }, `default lspace/rspace in scriptlevel = 1 is just obtained by scaling down the one for scriptlevel = 0.`);

</script>