node/test/fixtures/wpt/web-locks/mode-exclusive.https.any.js
ishabi 062e8b5a74 worker: add web locks api
PR-URL: https://github.com/nodejs/node/pull/58666
Fixes: https://github.com/nodejs/node/pull/36502
Refs: https://w3c.github.io/web-locks
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
2025-07-18 07:55:10 -07:00

34 lines
1 KiB
JavaScript

// META: title=Web Locks API: Exclusive Mode
// META: global=window,dedicatedworker,sharedworker,serviceworker
'use strict';
promise_test(async t => {
const granted = [];
function log_grant(n) { return () => { granted.push(n); }; }
await Promise.all([
navigator.locks.request('a', log_grant(1)),
navigator.locks.request('a', log_grant(2)),
navigator.locks.request('a', log_grant(3))
]);
assert_array_equals(granted, [1, 2, 3]);
}, 'Lock requests are granted in order');
promise_test(async t => {
const granted = [];
function log_grant(n) { return () => { granted.push(n); }; }
let inner_promise;
await navigator.locks.request('a', async lock => {
inner_promise = Promise.all([
// This will be blocked.
navigator.locks.request('a', log_grant(1)),
// But this should be grantable immediately.
navigator.locks.request('b', log_grant(2))
]);
});
await inner_promise;
assert_array_equals(granted, [2, 1]);
}, 'Requests for distinct resources can be granted');