<html>
<head id="head">
<script>
    if (window.internals && window.internals.settings)
        window.internals.settings.setDeferredCSSParserEnabled(true);
</script>
<style>
/* This rule should parse. */
body {
    color: black;
}

/* This rule should parse because it is empty. */
.unknown {
    
}

/* This rule should not parse. */
div#unknown {
    color:red;
}

/* This rule should not parse. */
faketag {
    color:lime;
    background-color:blue;
    border:10px solid white;
}
</style>
<script src="../../../resources/js-test-pre.js"></script>
</head>
<body>
<script>
document.body.offsetWidth;
    
description("This tests deferred parsing of CSS style rules.");

debug('');

if (window.internals)
    shouldBe("internals.deferredStyleRulesCount(document.styleSheets[0])", "2");
</script>
<div id="unknown"></div>
<script>
document.body.offsetWidth;
if (window.internals)
    shouldBe("internals.deferredStyleRulesCount(document.styleSheets[0])", "1");
</script>

<script src="../../../resources/js-test-post.js"></script>
</body>
</html>