blob: 32b56cdd188d7ae81686297ea69d6c0c08b9c233 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<title>CSS Shadow Parts - Invalidation of before/after with class selector</title>
<link href="http://www.apple.com/" rel="author" title="Apple">
<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="../../../imported/w3c/web-platform-tests/css/css-shadow-parts/support/shadow-helper.js"></script>
</head>
<body>
<style>
.enable-self::part(partp) { color: green; }
.enable-before::part(partp)::before { color: green; }
.enable-after::part(partp)::after { color: green; }
</style>
<script>installCustomElement("custom-element", "custom-element-template");</script>
<template id="custom-element-template">
<style>
span::before { content: "Before text"; color: red; }
span::after { content: "After text"; color: red; }
</style>
<span id="part" part="partp">Main text</span>
</template>
The following text should be green:
<div><custom-element id="c-e"></custom-element></div>
<script>
"use strict";
test(function() {
const part = getElementByShadowIds(document, ["c-e", "part"]);
const oldColor = window.getComputedStyle(part).color;
document.querySelector("#c-e").classList.add("enable-self");
const newColor = window.getComputedStyle(part).color;
assert_not_equals(oldColor, newColor);
}, "Part in selected host changed color");
test(function() {
const part = getElementByShadowIds(document, ["c-e", "part"]);
const oldColor = window.getComputedStyle(part, "::before").color;
document.querySelector("#c-e").classList.add("enable-before");
const newColor = window.getComputedStyle(part, "::before").color;
assert_not_equals(oldColor, newColor);
}, "Before pseudo element of part in selected host changed color");
test(function() {
const part = getElementByShadowIds(document, ["c-e", "part"]);
const oldColor = window.getComputedStyle(part, "::after").color;
document.querySelector("#c-e").classList.add("enable-after");
const newColor = window.getComputedStyle(part, "::after").color;
assert_not_equals(oldColor, newColor);
}, "After pseudo element of part in selected host changed color");
</script>
</body>
</html>