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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-scoping/css-scoping-shadow-slotted-nested.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>CSS Scoping Module Level 1 - ::slotted pseudo element rule must apply to an element that got slotted via another slot</title>
<link rel="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
<link rel="match" href="reference/green-box.html"/>
</head>
<body>
<style>
outer-host {
display: block;
width: 100px;
height: 100px;
background: red;
}
outer-host > * {
display: block;
width: 100px;
height: 25px;
}
</style>
<p>Test passes if you see a single 100px by 100px green box below.</p>
<outer-host>
<span slot="outer">FAIL1</span>
<span slot="inner">FAIL2</span>
<span slot="both">FAIL3</span>
</outer-host>
<template id="outer-host-template">
<inner-host>
<style>
::slotted([slot=outer]) { background: green; color: green; }
::slotted([slot=both]) { background: green; }
span { display: block; width: 100px; height: 25px; }
</style>
<slot name="outer"></slot>
<slot name="inner"></slot>
<slot name="both"></slot>
<span slot="inner">FAIL4</span>
</inner-host>
</template>
<template id="inner-host-template">
<style>
::slotted([slot=inner]) { background: green; color: green; }
::slotted([slot=both]) { color: green; }
</style>
<slot></slot>
<slot name="inner"></slot>
</template>
<script>
try {
var outerHost = document.querySelector('outer-host');
outerShadow = outerHost.attachShadow({mode: 'closed'});
outerShadow.appendChild(document.getElementById('outer-host-template').content.cloneNode(true));
var innerHost = outerShadow.querySelector('inner-host');
innerShadow = innerHost.attachShadow({mode: 'closed'});
innerShadow.appendChild(document.getElementById('inner-host-template').content.cloneNode(true));
} catch (exception) {
document.body.appendChild(document.createTextNode(exception));
}
</script>
</body>
</html>