Tools/TestWebKitAPI/Tests/WebKitCocoa/LockdownModeFonts.html

<html>
<head>
<style>
    /* Ahem-100000A.ttf is listed as an allowed font in WebKit */
    @font-face {
        font-family: 'WebFont';
        src: url('Ahem-10000A.ttf');
    }
    /* Ahem.ttf is not listed as an allowed font in WebKit */
    @font-face {
        font-family: 'WebFontNotAllowed';
        src: url('Ahem.ttf');
    }
    #reference {
        font-family: 'Helvetica';
    }
    #target {
        font-family: 'WebFont', 'Helvetica';
    }
    #target-not-allowed {
        font-family: 'WebFontNotAllowed', 'Helvetica';
    }
</style>
</head>
<body>
    <div><span id="reference">Hello</span></div>
    <div><span id="target">Hello</span></div>
    <div><span id="target-not-allowed">Hello</span></div>
</body>
</html>