Content - e343784c2ecbfd721dcf6bddd4ff09551479bf1b - 4c959ef/css/css-scoping/css-scoping-shadow-host-with-before-after.html

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Tip revision: bf21aa6a53367f9ad69c1f8c78d66c20270bbeaf authored by Andrea Marchesini on 04 April 2018, 17:43:55 UTC
setTimeout/setInterval should silently fail if the worker is shutting down,

Tip revision: bf21aa6

css-scoping-shadow-host-with-before-after.html

<!DOCTYPE html>
<html>
<head>
    <title>CSS Scoping Module Level 1 - ::before and ::after pseudo elements' contents on a shadow host must be rendered</title>
    <link rel="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
    <link rel="help" href="http://www.w3.org/TR/css-scoping-1/#selectors-data-model">
    <link rel="match" href="reference/green-box.html"/>
</head>
<body>
    <style>
        my-host {
            display: block;
            width: 100px;
            height: 100px;
            background: red;
        }
        my-host::before {
            display: block;
            content: "";
            width: 100px;
            height: 25px;
            background: green;
        }
        my-host::after {
            display: block;
            content: "";
            width: 100px;
            height: 25px;
            background: green;
        }
    </style>
    <p>Test passes if you see a single 100px by 100px green box below.</p> 
    <my-host>
        <div>FAIL</div>
    </my-host>
    <script>

        try {
            var shadowHost = document.querySelector('my-host');
            shadowRoot = shadowHost.attachShadow({mode: 'open'});
            shadowRoot.innerHTML = '<div style="width: 100px; height: 50px; background: green"></div>';
        } catch (exception) {
            document.body.appendChild(document.createTextNode(exception));
        }

    </script>
</body>
</html>

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