select-input-keyboard-behavior.tentative.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-select-element/customizable-select/select-input-keyboard-behavior.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<link rel=help href="https://issues.chromium.org/issues/402429384">

<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, ::picker(select) {

  appearance: base-select;

</style>

<select>

  <div id=inputwrapper></div>

  <option class=one>one</option>

  <option class=two>two</option>

</select>

<script>

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

const optionOne = select.querySelector('option.one');

const optionTwo = select.querySelector('option.two');

const input = document.createElement('input');

document.getElementById('inputwrapper').appendChild(input);

function pressKey(key) {

  return (new test_driver.Actions()

    .keyDown(key)

    .keyUp(key))

    .send();

const spaceKey = '\uE00D';

const arrowDown = '\uE015';

const arrowUp = '\uE013';

promise_test(async () => {

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

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

  select.focus();

  await pressKey(spaceKey);

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

    'select should be open after pressing space.');

  assert_equals(document.activeElement, input,

    'input should be focused after opening select.');

  await pressKey(arrowDown);

  assert_equals(document.activeElement, optionOne,

    'first option should be focused after arrow down from input.');

  await pressKey(arrowUp);

  assert_equals(document.activeElement, input,

    'input should be focused after arrow up from first option.');

}, 'Keyboard behavior of <input> in <select>.');

</script>