<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Default properties on the &lt;math&gt; root</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#the-top-level-math-element">
<link rel="help" href="https://w3c.github.io/mathml-core/#user-agent-stylesheet">
<meta name="assert" content="Test properties on the math root set by the UA stylesheet.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  math {
      font-size: 100px;
  }
  .styled {
      direction: rtl;
      writing-mode: vertical-lr;
      text-indent: .5em;
      letter-spacing: .5em;
      line-height: .5em;
      word-spacing: .5em;
      font-style: italic;
      font-weight: bold;
  }
</style>

</head>
<body>
  <div id="log"></div>
  <div class="styled">
    <math id="ua"></math>
    <math id="author" class="styled"></math>
  </div>

  <script>
    function getProperty(id, property) {
        return window.getComputedStyle(document.getElementById(id))[property];
    }
    [
        // Property name, value when specified from the UA, from the author.
        ["direction", "ltr", "rtl"],
        ["writing-mode", "horizontal-tb", "horizontal-tb"], // MathML Core level 1 only supports horizontal mode.
        ["text-indent", "0px", "50px"],
        ["letter-spacing", "normal", "50px"],
        ["line-height", "normal", "50px"],
        ["word-spacing", "0px", "50px"],
        ["font-style", "normal", "italic"],
        ["font-weight", "400", "700"]
    ].forEach(([name, ua_value, author_value]) => {
        test(function () {
            assert_equals(getProperty("ua", name), ua_value, "when specified from the UA sheet");
            assert_equals(getProperty("author", name), author_value, "when specified by the author");
        }, `Value of ${name} on the <math> root`);
    });
  </script>
</body>
</html>
