chromium/third_party/blink/web_tests/fast/css/dfn-default-font-style.html

<!DOCTYPE html>
<html>
<body>
This test ensures that whatever written within dfn tag is italicized. <br>
For example the <dfn id="dfntag">dfn</dfn> should be italicized.

<script>
var dfnfont = document.defaultView.getComputedStyle(document.getElementById('dfntag'), "").getPropertyValue("font-style");
var testresult;

if (dfnfont == 'italic')
    testresult = 'PASS';
else
    testresult = 'FAIL';

if (window.testRunner) {
    testRunner.dumpAsText();
}

document.writeln(testresult);

</script>
</body>
</html>