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<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1422275">
<link rel=help href="https://github.com/openui/open-ui/issues/433#issuecomment-1452461404">
<link rel=help href="https://github.com/openui/open-ui/issues/386#issuecomment-1452469497">
<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 {
appearance: base-select;
}
</style>
<form></form>
<div id=notform>
<select id=defaultbutton-defaultdatalist>
<option class=one>one</option>
<option class=two>two</option>
<option class=three>three</option>
</select>
<select id=defaultbutton-customdatalist>
<datalist>
<option class=one>one</option>
<option class=two>two</option>
<option class=three>three</option>
</datalist>
</select>
<select id=custombutton-defaultdatalist>
<button type=popover>custom button</button>
<option class=one>one</option>
<option class=two>two</option>
<option class=three>three</option>
</select>
<select id=custombutton-customdatalist>
<button type=popover>custom button</button>
<datalist>
<option class=one>one</option>
<option class=two>two</option>
<option class=three>three</option>
</datalist>
</select>
</div>
<script>
const Enter = '\uE007';
const Escape = '\uE00C';
const ArrowLeft = '\uE012';
const ArrowUp = '\uE013';
const ArrowRight = '\uE014';
const ArrowDown = '\uE015';
const Space = ' ';
const form = document.querySelector('form');
const notform = document.getElementById('notform');
for (const id of ['defaultbutton-defaultdatalist',
'defaultbutton-customdatalist',
'custombutton-defaultdatalist',
'custombutton-customdatalist']) {
const select = document.getElementById(id);
async function closeListbox() {
await test_driver.click(select);
}
function addCloseCleanup(t) {
t.add_cleanup(async () => {
if (select.matches(':open')) {
await closeListbox();
}
if (select.matches(':open')) {
throw new Error('select failed to close!');
}
select.value = 'one';
});
}
promise_test(async t => {
addCloseCleanup(t);
// TODO(http://crbug.com/1350299): When focus for custom buttons is fixed,
// then we shouldn't need to explicitly focus the custom button like this
// anymore.
const customButton = select.querySelector('button');
if (customButton) {
customButton.focus();
} else {
select.focus();
}
assert_false(select.matches(':open'),
'The select should initially be closed.');
await test_driver.send_keys(document.activeElement, Space);
assert_true(select.matches(':open'),
'The select should be open after pressing space.');
}, `${id}: When the listbox is closed, spacebar should open the listbox.`);
promise_test(async t => {
addCloseCleanup(t);
select.value = 'two';
select.focus();
assert_false(select.matches(':open'),
'The select should initially be closed.');
await test_driver.send_keys(document.activeElement, ArrowLeft);
assert_true(select.matches(':open'),
'Arrow left should open the listbox.');
assert_equals(select.value, 'two',
'Arrow left should not change the selected value.');
await closeListbox();
await test_driver.send_keys(document.activeElement, ArrowUp);
assert_true(select.matches(':open'),
'Arrow up should open the listbox.');
assert_equals(select.value, 'two',
'Arrow up should not change the selected value.');
await closeListbox();
await test_driver.send_keys(document.activeElement, ArrowRight);
assert_true(select.matches(':open'),
'Arrow right should open the listbox.');
assert_equals(select.value, 'two',
'Arrow right should not change the selected value.');
await closeListbox();
await test_driver.send_keys(document.activeElement, ArrowDown);
assert_true(select.matches(':open'),
'Arrow down should open the listbox.');
assert_equals(select.value, 'two',
'Arrow down should not change the selected value.');
}, `${id}: When the listbox is closed, all arrow keys should open the listbox.`);
promise_test(async t => {
addCloseCleanup(t);
// TODO(http://crbug.com/1350299): When focus for custom buttons is fixed,
// then we shouldn't need to explicitly use the custom button like this
// anymore.
const customButton = select.querySelector('button');
if (customButton) {
await test_driver.send_keys(customButton, Enter);
} else {
await test_driver.send_keys(select, Enter);
}
assert_false(select.matches(':open'),
'Enter should not open the listbox when outside a form.');
form.appendChild(select);
let formWasSubmitted = false;
form.addEventListener('submit', event => {
event.preventDefault();
formWasSubmitted = true;
}, {once: true});
if (customButton) {
await test_driver.send_keys(customButton, Enter);
} else {
await test_driver.send_keys(select, Enter);
}
assert_true(formWasSubmitted,
'Enter should submit the form when the listbox is closed.');
assert_false(select.matches(':open'),
'Enter should not open the listbox when it is in a form.');
}, `${id}: When the listbox is closed, the enter key should submit the form or do nothing.`);
promise_test(async t => {
addCloseCleanup(t);
const optionOne = select.querySelector('.one');
const optionTwo = select.querySelector('.two');
const optionThree = select.querySelector('.three');
select.value = 'two';
await test_driver.click(select);
assert_true(select.matches(':open'),
'The select should open when clicked.');
assert_equals(document.activeElement, optionTwo,
'The selected option should receive initial focus.');
await test_driver.send_keys(document.activeElement, ArrowDown);
assert_equals(document.activeElement, optionThree,
'The next option should receive focus when the down arrow key is pressed.');
assert_equals(select.value, 'two',
'The selects value should not change when focusing another option.');
await test_driver.send_keys(document.activeElement, ArrowUp);
assert_equals(document.activeElement, optionTwo,
'The previous option should receive focus when the up arrow key is pressed.');
assert_equals(select.value, 'two',
'The selects value should not change when focusing another option.');
await test_driver.send_keys(document.activeElement, ArrowUp);
assert_equals(document.activeElement, optionOne,
'The first option should be selected.');
assert_equals(select.value, 'two',
'The selects value should not change when focusing another option.');
await test_driver.send_keys(document.activeElement, Enter);
assert_false(select.matches(':open'),
'The listbox should be closed after pressing enter.');
assert_equals(select.value, 'one',
'The selects value should change after pressing enter on a different option.');
}, `${id}: When the listbox is open, the enter key should commit the selected option.`);
}
</script>
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