<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Legacy mpadded pseudo-units relying on orthogonal metrics</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#adjust-space-around-content-mpadded">
<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.mpadded">
<meta name="assert" content="Legacy pseudo-units depending on orthogonal metrics">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/layout-comparison.js"></script>
<style>
  .testedElement {
      background: red;
  }
</style>
</head>
<body>
  <div id="log"></div>

  <p>
    <math>
      <mpadded id="reference">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>

  <p>
    <!-- width cannot use vertical pseudo-units -->
    <math>
      <mpadded class="testedElement" width="200%height">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
    <math>
      <mpadded class="testedElement" width="200%depth">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>

  <p>
    <!-- lspace cannot use vertical pseudo-units -->
    <math>
      <mpadded class="testedElement" lspace="200%height">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
    <math>
      <mpadded class="testedElement" lspace="200%depth">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>
  <p>
    <!-- height cannot use horizontal pseudo-units -->
    <math>
      <mpadded class="testedElement" height="200%width">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>
  <p>
    <!-- depth cannot use horizontal pseudo-units -->
    <math>
      <mpadded class="testedElement" depth="200%width">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>
  <p>
    <!-- voffset cannot use horizontal pseudo-units -->
    <math>
      <mpadded class="testedElement" voffset="200%width">
        <mspace width="10px" height="20px" depth="30px"
                style="background: blue"/>
      </mpadded>
    </math>
  </p>
<script type="text/javascript">
  Array.from(document.getElementsByClassName("testedElement")).forEach(mpadded => {
      var reference = document.getElementById("reference");
      const name = ["width", "depth", "height", "lspace", "voffset"].find(attr => mpadded.hasAttribute(attr));
      const epsilon = 1;
      test(function() {
          assert_true(MathMLFeatureDetection.has_mspace());
          compareLayout(mpadded, reference, epsilon);
      }, `${mpadded.getAttribute(name)} is not allowed on ${name}`);
  });
</script>
</body>
</html>
