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<!DOCTYPE html>
<html>
<head>
<title>CSS Shadow Parts - Multiple parts</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::part(partp1 partp2) { color: green; }</style>
<script>installCustomElement("custom-element", "custom-element-template");</script>
<template id="custom-element-template">
<style>
.red { color: red; }
.blue { color: blue; }
</style>
<span id="greenpart" class="red" part="partp1 partp2">green</span>
<span id="bluepart1" class="blue" part="partp1">blue</span>
<span id="bluepart2" class="blue" part="partp2">blue</span>
</template>
The following text should match its stated colour:
<custom-element id="c-e"></custom-element>
<script>
"use strict";
const colorBlue = "rgb(0, 0, 255)";
const colorGreen = "rgb(0, 128, 0)";
test(function() {
const el = getElementByShadowIds(document, ["c-e", "greenpart"]);
assert_equals(window.getComputedStyle(el).color, colorGreen);
}, "Double-part in selected host is styled");
test(function() {
const el = getElementByShadowIds(document, ["c-e", "bluepart1"]);
assert_equals(window.getComputedStyle(el).color, colorBlue);
}, "Single-part-1 in selected host is not styled");
test(function() {
const el = getElementByShadowIds(document, ["c-e", "bluepart2"]);
assert_equals(window.getComputedStyle(el).color, colorBlue);
}, "Single-part-2 in selected host is not styled");
</script>
</body>
</html>
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