chromium/third_party/blink/web_tests/external/wpt/fenced-frame/document-hasfocus.https.html

<!DOCTYPE html>
<title>Test document.hasFocus</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<body>
<script>
promise_test(async(t) => {
  const actions = new test_driver.Actions();
  const fencedframe = await attachFencedFrameContext();

  assert_true(document.hasFocus(), "The main document should initially have " +
      "focus.");
  await fencedframe.execute(() => {
    assert_false(document.hasFocus(), "The fenced frame should not initially " +
        "have focus.");
  })

  await actions.pointerMove(0, 0, {origin: fencedframe.element})
               .pointerDown()
               .pointerUp()
               .send();

  assert_true(document.hasFocus(), "The main document should have focus.");
  await fencedframe.execute(() => {
    assert_true(document.hasFocus(), "The fenced frame should have focus.");
  })
}, 'document.hasFocus should be the true when a fenced frame has focus');

</script>
</body>