browser_dbg_listworkers.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);

registerCleanupFunction(() => {

  Services.prefs.clearUserPref("security.allow_eval_with_system_principal");

});

var TAB_URL = EXAMPLE_URL + "doc_listworkers-tab.html";

var WORKER1_URL = "code_listworkers-worker1.js";

var WORKER2_URL = "code_listworkers-worker2.js";

add_task(async function test() {

  const tab = await addTab(TAB_URL);

  const target = await createAndAttachTargetForTab(tab);

  let { workers } = await listWorkers(target);

  is(workers.length, 0);

  let onWorkerListChanged = waitForWorkerListChanged(target);

  await SpecialPowers.spawn(tab.linkedBrowser, [WORKER1_URL], workerUrl => {

    content.worker1 = new content.Worker(workerUrl);

});

  await onWorkerListChanged;

  ({ workers } = await listWorkers(target));

  is(workers.length, 1);

  is(workers[0].url, WORKER1_URL);

  onWorkerListChanged = waitForWorkerListChanged(target);

  await SpecialPowers.spawn(tab.linkedBrowser, [WORKER2_URL], workerUrl => {

    content.worker2 = new content.Worker(workerUrl);

});

  await onWorkerListChanged;

  ({ workers } = await listWorkers(target));

  is(workers.length, 2);

  is(workers[0].url, WORKER1_URL);

  is(workers[1].url, WORKER2_URL);

  onWorkerListChanged = waitForWorkerListChanged(target);

  await SpecialPowers.spawn(tab.linkedBrowser, [WORKER2_URL], () => {

    content.worker1.terminate();

});

  await onWorkerListChanged;

  ({ workers } = await listWorkers(target));

  is(workers.length, 1);

  is(workers[0].url, WORKER2_URL);

  onWorkerListChanged = waitForWorkerListChanged(target);

  await SpecialPowers.spawn(tab.linkedBrowser, [WORKER2_URL], () => {

    content.worker2.terminate();

});

  await onWorkerListChanged;

  ({ workers } = await listWorkers(target));

  is(workers.length, 0);

  await target.destroy();

  finish();

});

function listWorkers(targetFront) {

  info("Listing workers.");

  return targetFront.listWorkers();

function waitForWorkerListChanged(targetFront) {

  info("Waiting for worker list to change.");

  return targetFront.once("workerListChanged");