test_locks.js - mozsearch

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/* Any copyright is dedicated to the Public Domain.

https://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**

 * Tests that privileged scopes can access Web Locks and use them without

 * being associated with a content global.

*/

add_task(async function test_locks() {

  Assert.ok(locks, "The locks global was imported.");

  let { promise: firstPromise, resolve: firstResolve } =

    Promise.withResolvers();

  const LOCK_NAME = "Some lock";

  await locks.request(LOCK_NAME, async lock => {

    Assert.ok(lock, "Got the lock");

    let { held: heldLocks } = await locks.query();

    Assert.equal(heldLocks.length, 1, "Should only be 1 held lock");

    Assert.equal(heldLocks[0].name, LOCK_NAME, "Got the right lock name");

    Assert.equal(heldLocks[0].clientId, "", "Got an empty client ID");

    firstResolve();

});

  await firstPromise;

});