inert-with-fullscreen-element.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /inert/inert-with-fullscreen-element.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8" />

<title>Interaction of 'inert' attribute with fullscreen element</title>

<link rel="author" title="Peng Zhou" href="mailto:zhoupeng.1996@bytedance.com">

<meta name="assert" content="Checks that fullscreen element inertness from ancestors.">

<div id="wrapper">

  wrapper

  <span>

    wrapper-child element

  </span>

  <div id="fullscreen">

    fullscreen

    <span id="child">

      child

    </span>

  </div>

</div>

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<script>

async function cleanup() {

  if (document.fullscreenElement) {

    await document.exitFullscreen();

  getSelection().removeAllRanges();

async function setupTest(element, context) {

  element.inert = true;

  await test_driver.bless("request full screen");

  await fullscreen.requestFullscreen();

  context.add_cleanup(async () => {

    element.inert = false;

    await cleanup();

});

add_completion_callback(cleanup);

promise_test(async function() {

  await setupTest(child, this);

  assert_false(window.find("wrapper"));

  assert_false(window.find("wrapper-child"));

  assert_true(window.find("fullscreen"));

  assert_false(window.find("child"));

}, "Inner nodes with 'inert' attribute become inert anyways");

promise_test(async function() {

  await setupTest(fullscreen, this);

  assert_false(window.find("wrapper"));

  assert_false(window.find("wrapper-child"));

  assert_false(window.find("fullscreen"));

  assert_false(window.find("child"));

}, "If the fullscreen element has the 'inert' attribute, everything becomes inert");

promise_test(async function() {

  await setupTest(wrapper, this);

  assert_false(window.find("wrapper"));

  assert_false(window.find("wrapper-child"));

  assert_true(window.find("fullscreen"));

  assert_true(window.find("child"));

}, "If an ancestor of the fullscreen element has the 'inert' attribute, the fullscreen element escapes inertness");

</script>