Revision 70e133613ba68282617c33db22e17b05a1f93430 authored by Anne van Kesteren on 15 August 2018, 14:25:47 UTC, committed by Anne van Kesteren on 15 August 2018, 14:25:47 UTC
1 parent 3878b81
mode-shared.tentative.https.any.js
// META: title=Web Locks API: Shared Mode
'use strict';
promise_test(async t => {
const granted = [];
function log_grant(n) { return () => { granted.push(n); }; }
await Promise.all([
navigator.locks.request('a', {mode: 'shared'}, log_grant(1)),
navigator.locks.request('b', {mode: 'shared'}, log_grant(2)),
navigator.locks.request('c', {mode: 'shared'}, log_grant(3)),
navigator.locks.request('a', {mode: 'shared'}, log_grant(4)),
navigator.locks.request('b', {mode: 'shared'}, log_grant(5)),
navigator.locks.request('c', {mode: 'shared'}, log_grant(6)),
]);
assert_array_equals(granted, [1, 2, 3, 4, 5, 6]);
}, 'Lock requests are granted in order');
promise_test(async t => {
let a_acquired = false, a_acquired_again = false;
await navigator.locks.request('a', {mode: 'shared'}, async lock => {
a_acquired = true;
// Since lock is held, this request would be blocked if the
// lock was not 'shared', causing this test to time out.
await navigator.locks.request('a', {mode: 'shared'}, lock => {
a_acquired_again = true;
});
});
assert_true(a_acquired, 'first lock acquired');
assert_true(a_acquired_again, 'second lock acquired');
}, 'Shared locks are not exclusive');
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