<!doctype html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
    <div style="display:none">
        <sibling class="target"></sibling>
        <sibling></sibling>
        <sibling></sibling>
        <sibling></sibling>
        <padding></padding>
        <target></target>
    </div>
</body>
<script>
description("Test the correctness of the backtracking optimizations with mixed case tag names in the selector.");

shouldBe('document.querySelectorAll("SIBLING.target + SIBLING + sibling ~ target").length', '1');
</script>
<script src="../../resources/js-test-post.js"></script>
</html>