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Automatic update from web-platform-testsWeb Locks API: Run tests in additional globals Use the "META: global=" annotation to run the web-locks/ tests in shared and service workers, as appropriate. Change-Id: I1d6acd9b4e2932bf3a60b1e41285cbe74e3cb8ff Reviewed-on: https://chromium-review.googlesource.com/1208447 Commit-Queue: Victor Costan <pwnall@chromium.org> Reviewed-by: Victor Costan <pwnall@chromium.org> Cr-Commit-Position: refs/heads/master@{#590265} -- wpt-commits: 7d538d126b49411702cdd88354f520cdf9a65702 wpt-pr: 12860 --HG-- extra : rebase_source : 125cfaf5b02d72d5746aaeb894d27ef8da08c929 extra : source : 703c030316ba169ade809c83d901a58f1881677c
91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
// META: title=Web Locks API: steal option
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// META: script=resources/helpers.js
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// META: global=window,dedicatedworker,sharedworker,serviceworker
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'use strict';
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const never_settled = new Promise(resolve => { /* never */ });
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promise_test(async t => {
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const res = uniqueName(t);
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let callback_called = false;
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await navigator.locks.request(res, {steal: true}, lock => {
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callback_called = true;
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assert_not_equals(lock, null, 'Lock should be granted');
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});
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assert_true(callback_called, 'Callback should be called');
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}, 'Lock available');
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promise_test(async t => {
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const res = uniqueName(t);
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let callback_called = false;
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// Grab and hold the lock.
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navigator.locks.request(res, lock => never_settled).catch(_ => {});
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// Steal it.
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await navigator.locks.request(res, {steal: true}, lock => {
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callback_called = true;
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assert_not_equals(lock, null, 'Lock should be granted');
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});
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assert_true(callback_called, 'Callback should be called');
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}, 'Lock not available');
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promise_test(async t => {
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const res = uniqueName(t);
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// Grab and hold the lock.
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const promise = navigator.locks.request(res, lock => never_settled);
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const assertion = promise_rejects(
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t, 'AbortError', promise, `Initial request's promise should reject`);
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// Steal it.
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await navigator.locks.request(res, {steal: true}, lock => {});
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await assertion;
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}, `Broken lock's release promise rejects`);
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promise_test(async t => {
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const res = uniqueName(t);
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// Grab and hold the lock.
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navigator.locks.request(res, lock => never_settled).catch(_ => {});
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// Make a request for it.
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let request_granted = false;
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const promise = navigator.locks.request(res, lock => {
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request_granted = true;
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});
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// Steal it.
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await navigator.locks.request(res, {steal: true}, lock => {
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assert_false(request_granted, 'Steal should override request');
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});
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await promise;
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assert_true(request_granted, 'Request should eventually be granted');
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}, `Requested lock's release promise is deferred`);
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promise_test(async t => {
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const res = uniqueName(t);
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// Grab and hold the lock.
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navigator.locks.request(res, lock => never_settled).catch(_ => {});
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// Steal it.
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let saw_abort = false;
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const first_steal = navigator.locks.request(
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res, {steal: true}, lock => never_settled).catch(error => {
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saw_abort = true;
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});
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// Steal it again.
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await navigator.locks.request(res, {steal: true}, lock => {});
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await first_steal;
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assert_true(saw_abort, 'First steal should have aborted');
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}, 'Last caller wins');
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