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Update web-platform-tests to revision 4a5223502fa660ce03e470af6a61c8bc26c5a8ee

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WPT Sync Bot 2018-04-23 21:13:37 -04:00
parent c5f7c9ccf3
commit e891345f26
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tests/wpt/web-platform-tests/css/css-shadow-parts/chaining-invalid-selector.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>CSS Shadow Parts - Chaining Invalid Selector</title>
<meta href="mailto:fergal@chromium.org" rel="author" title="Fergal Daly">
<link href="http://www.google.com/" rel="author" title="Google">
<link href="https://drafts.csswg.org/css-shadow-parts/" rel="help">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/shadow-helper.js"></script>
</head>
<body>
<style>#c-e-outer::part(c-e-part)::part(partp) { color: red; }</style>
<div>
It's invalid to use 2 pseudoelements in a selector but if somehow it becomes valid,
it should not expose the internal structure of the shadow tree.
</div>
<script>installCustomElement("custom-element-inner", "custom-element-inner-template");</script>
<template id="custom-element-inner-template">
<style>span { color: green; }</style>
<span id="part" part="partp">This text</span>
</template>
<script>installCustomElement("custom-element-outer", "custom-element-outer-template");</script>
<template id="custom-element-outer-template">
The following text should be green:
<custom-element-inner id="c-e-inner" part="c-e-part"></custom-element-inner>
</template>
<custom-element-outer id="c-e-outer"></custom-element-outer>
<script type="text/javascript">
"use strict";
const colorGreen = "rgb(0, 128, 0)";
test(function() {
var el = getElementByShadowIds(document, ["c-e-outer", "c-e-inner", "part"]);
assert_equals(window.getComputedStyle(el).color, colorGreen);
}, "::part cannot be chained to reach elements in the inner host");
test(function() {
assert_equals(document.getElementsByTagName("body")[0].style.length, 0);
}, "Chained ::part selectors are dropped");
</script>
</body>
</html>