gecko-dev/layout/reftests/font-face/ahem-metrics-1.html

<title>Testcase, bug 467084</title>
<style>
html { background: white; }
@font-face { font-family: "AcidAhemTest"; src: url(../fonts/Ahem.ttf); }
body { background: blue; height: 100px; width: 100px; padding: 5px; }
div { color: aqua; font: 100px/1 AcidAhemTest; }
</style>
<div>X</div>