<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Attribute mapping</title>
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-mathvariant-attribute">
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-displaystyle-and-scriptlevel-attributes">
<meta name="assert" content="Verify that mathvariant, scriptlevel, displaystyle are mapped to CSS">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/mathml-fragments.js"></script>
<script>
  setup({ explicit_done: true });
  window.addEventListener("load", runTests);
  function runTests() {
      var container = document.getElementById("container");
      for (tag in MathMLFragments) {
          container.insertAdjacentHTML("beforeend", `<math>${MathMLFragments[tag]}</math>`);
      }
      Array.from(document.getElementsByClassName("element")).forEach(element => {
          var tag = element.tagName;
          var style = window.getComputedStyle(element);

          test(function() {
              assert_equals(style.getPropertyValue("text-transform"),
                            tag === "mi" ? "math-auto" : "none",
                            "no attribute");
              element.setAttribute("mathvariant", "fraktur");
              assert_equals(style.getPropertyValue("text-transform"), "math-fraktur", "attribute specified");
              element.setAttribute("mathvariant", "DoUbLe-StRuCk");
              assert_equals(style.getPropertyValue("text-transform"), "math-double-struck", "case insensitive");
          }, `mathvariant on the ${tag} element is mapped to CSS text-transform`)

          test(function() {
              assert_equals(style.getPropertyValue("math-script-level"), "0", "no attribute");
              element.setAttribute("scriptlevel", "10");
              assert_equals(style.getPropertyValue("math-script-level"), "10", "attribute specified");
          }, `scriptlevel on the ${tag} element is mapped to CSS math-script-level`);

          test(function() {
              assert_equals(style.getPropertyValue("math-style"), "inline", "no attribute");
              element.setAttribute("displaystyle", "true");
              assert_equals(style.getPropertyValue("math-style"), "display", "attribute specified");
              element.setAttribute("displaystyle", "TrUe");
              assert_equals(style.getPropertyValue("math-style"), "display", "case insensitive");
          }, `displaystyle on the ${tag} element is mapped to CSS math-style`);
      });

      done();
  }
</script>
</head>
<body>
  <div id="log"></div>
  <div id="container">
    <math class="element"></math>
  </div>
</body>
</html>