<!doctype html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
<style>
* {
    color: rgb(0, 0, 0);
}
:lang() {
    color: rgb(1, 2, 3);
}

:lang() * {
    color: rgb(4, 5, 6);
}
</style>
</head>
<body>
    <div style="display:none">
        <a>
            <b>
                <c id="target1"></c>
            </b>
        </a>
    </div>
</body>
<script>
description('Verify empty :lang() selectors.');

shouldThrow('document.querySelectorAll(":lang()").length');
shouldThrow('document.querySelectorAll(":lang() *").length');
shouldBeEqualToString('getComputedStyle(document.getElementById("target1")).color', 'rgb(0, 0, 0)');
</script>
<script src="../../resources/js-test-post.js"></script>
</html>