chromium/third_party/blink/web_tests/external/wpt/css/selectors/dir-selector-change-003.html

<!DOCTYPE html>
<html>
<head>
    <title>CSS Selectors Level 4 Test: Check for correctly updating :dir matching on dir attribute change from rtl to auto</title>
    <link rel="author" title="Miyoung Shin" href="mailto:[email protected]">
    <link rel="help" href="http://www.w3.org/TR/selectors4/#dir-pseudo">
    <link rel="match" href="dir-selector-change-003-ref.html">
    <style>
        #x:dir(ltr) + span { background-color: lime }
    </style>
</head>
<body>
    <div id="outer" dir="rtl">
        <div>
            <div id="x"></div>
            <span>The background color should be lime</span>
        </div>
    </div>
    <script>
        outer.offsetTop;
        outer.setAttribute("dir", "auto");
    </script>
</body>
</html>