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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test the merror element</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#error-message-merror">
<link rel="help" href="https://w3c.github.io/mathml-core/#user-agent-stylesheet">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<meta name="assert" content="Verify default merror style and size.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
math {
font: 25px/1 Ahem;
}
</style>
</head>
<body>
<div id="log"></div>
<div>
<math>
<mrow id="reference"><mtext>AN ERROR</mtext></mrow>
<merror id="merror"><mtext>AN ERROR</mtext></merror>
</math>
</div>
<script>
test(function () {
var style = window.getComputedStyle(document.getElementById("merror"));
assert_equals(style.borderWidth, "1px");
assert_equals(style.borderColor, "rgb(255, 0, 0)");
assert_equals(style.borderStyle, "solid");
assert_equals(style.backgroundColor, "rgb(255, 255, 224)");
}, "Default CSS properties on merror");
test(function () {
var merrorBox = document.getElementById("merror").getBoundingClientRect();
var referenceBox = document.getElementById("reference").getBoundingClientRect();
assert_equals(merrorBox.width, referenceBox.width + 2);
assert_equals(merrorBox.height, referenceBox.height + 2);
}, "Bounding box is the same as mrow + 1px border");
</script>
</body>
</html>
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