inert-label-focus.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/interactive-elements/the-dialog-element/inert-label-focus.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel=author href="mailto:jarhar@chromium.org">

<link rel=author href="mailto:falken@chromium.org">

<link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#the-dialog-element">

<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=242848">

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

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

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

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

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

<label for="submit">Label for Submit</label>

<dialog>

  <input id="text" type="text">

  <input id="submit" type="submit">

</dialog>

<script>

promise_test(async () => {

  async function clickOn(element) {

    let absoluteTop = 0;

    let absoluteLeft = 0;

    for (let parentNode = element; parentNode; parentNode = parentNode.offsetParent) {

      absoluteLeft += parentNode.offsetLeft;

      absoluteTop += parentNode.offsetTop;

    const x = Math.round(absoluteLeft + element.offsetWidth / 2);

    const y = Math.round(absoluteTop + element.offsetHeight / 2);

    const actions = new test_driver.Actions()

      .pointerMove(x, y)

      .pointerDown()

      .pointerUp()

      .pointerMove(0, 0);

    await actions.send();

  document.querySelector('dialog').showModal();

  document.querySelector('#text').focus();

  label = document.querySelector('label');

  submit = document.querySelector('#submit');

  label.focus();

  assert_equals(document.activeElement, submit,

    'label.focus() should send focus to the target.');

  await clickOn(label);

  assert_not_equals(document.activeElement, label,

    'Clicking the label should not focus the label.');

  assert_not_equals(document.activeElement, submit,

    'Clicking the label should not focus the submit input.');

}, 'Tests focusing of an inert label for a non-inert target.');

</script>