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