empty-pseudo-in-has.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/invalidation/empty-pseudo-in-has.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8" />

<title>CSS Selectors Invalidation: :empty in :has() argument</title>

<link rel="author" title="Byungwoo Lee" href="blee@igalia.com">

<link rel="help" href="https://drafts.csswg.org/selectors/#relational">

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

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

<style>

  #subject { color: red }

  #subject:has(:empty) { color: green }

  #subject:has(:not(:empty)) { color: blue }

</style>

<div id="subject"></div>

<script>

const red = 'rgb(255, 0, 0)';

const green = 'rgb(0, 128, 0)';

const blue = 'rgb(0, 0, 255)';

function testColor(test_name, color) {

  test(function() {

      assert_equals(getComputedStyle(subject).color, color);

  }, test_name);

testColor("Empty #subject", red);

let child = document.createElement("div");

child.id = "child";

subject.appendChild(child);

testColor("Insert div#child to #subject", green);

child.appendChild(document.createElement("div"));

testColor("Insert div to div.#child", blue);

child.replaceChildren();

testColor("Remove div from div.#child", green);

child.textContent = "Test";

testColor("Insert text into div.#child", blue);

child.textContent = "";

testColor("Remove text from div.#child", green);

</script>