has-invalidation-for-wiping-an-element.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/invalidation/has-invalidation-for-wiping-an-element.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>:has() invalidation for wiping an element by means of innerHTML</title>

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

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

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

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

<style>

div, main { color: grey }

.subject:has(.descendant) { color: green}

</style>

<main id=main>

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

</main>

<script>

  let grey = 'rgb(128, 128, 128)';

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

  function test_div(test_name, el, color) {

    test(function() {

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

    }, test_name + ': div#' + el.id + '.color');

  test_div('initial color', subject, grey);

  subject.innerHTML = "This is a text <div><div class='descendant'></div></div>";

  test_div('color after inserting text and div > .descendant', subject, green);

  subject.innerHTML = "This is a text";

  test_div('color after wiping #child to remove div > .descendant', subject, grey);

  subject.innerHTML = "<div id='child'> This is a text <div class='descendant'></div></div>";

  test_div('color after inserting text and #child > .descendant', subject, green);

  child.innerHTML = "This is a text";

  test_div('color after wiping #child to remove .descendant', subject, grey);

</script>