third_party/WebKit/LayoutTests/shadow-dom/slotted-pseudo-element-fallback-content-in-document.html - Issue 2789363002: Styling slot fallback content with ::slotted()

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Side by Side Diff: third_party/WebKit/LayoutTests/shadow-dom/slotted-pseudo-element-fallback-content-in-document.html

Issue 2789363002: Styling slot fallback content with ::slotted()

Patch Set: rebase Created 3 years, 7 months ago

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	1 <!DOCTYPE html>

	2 <script src="../resources/testharness.js"></script>

	3 <script src="../resources/testharnessreport.js"></script>

	4 <script src="resources/shadow-dom.js"></script>

	5

	6 <style>

	7 ::slotted(.red) { color: red; }

	8 div { color: green; }

	9 </style>

	10

	11 <slot>

	12 <div id="red" class="red">Red Fallback Content</div>

	13 <div id="green">Other Fallback Content</div>

	14 </slot>

	15

	16 <script>

	17 'use strict';

	18

	19 test(() => {

	20 const redDiv = document.querySelector('#red');

	21 const otherDiv = document.querySelector('#green');

	22

	23 assert_equals(window.getComputedStyle(redDiv).color, 'rgb(255, 0, 0)',

	24 '::slotted() applies to fallback content.');

	25 assert_equals(window.getComputedStyle(otherDiv).color, 'rgb(0, 128, 0)',

	26 'non-::slotted() selector should match fallback content.');

	27 }, '::slotted() should apply to fallback content in document tree.');

	28 </script>

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