select-pick-option-keydown.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-select-element/customizable-select/select-pick-option-keydown.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel=help href="https://html.spec.whatwg.org/multipage/form-elements.html#concept-select-pick">

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

<style>

select, select::picker(select) {

  appearance: base-select;

</style>

<select>

  <option class=one>one</option>

  <option class=two>two</option>

</select>

<script>

const Enter = '\uE007';

const ArrowDown = '\uE015';

promise_test(async () => {

  const select = document.querySelector('select');

  assert_equals(getComputedStyle(select).appearance, 'base-select',

    'appearance:base-select must be supported in order to run this test.');

  await test_driver.click(select);

  assert_true(select.matches(':open'), 'The picker should be open.');

  await test_driver.send_keys(document.activeElement, ArrowDown);

  assert_equals(document.activeElement, select.querySelector('.two'),

    'The second option should be focused.');

  // Pick an option is given the keydown event, so canceling the keypress must not prevent it.

  select.addEventListener('keypress', event => event.preventDefault());

  await test_driver.send_keys(document.activeElement, Enter);

  assert_equals(select.value, 'two',

    'The focused option should be picked.');

  assert_false(select.matches(':open'),

    'Picking an option should close the picker.');

}, 'Canceling keypress does not prevent an option from being picked.');

</script>