palemoon-dev/platform/devtools/server/tests/unit/test_profiler_activation-02.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Tests whether the profiler actor correctly handles the case where the
 * built-in module was already started.
 */

const Profiler = Cc["@mozilla.org/tools/profiler;1"].getService(Ci.nsIProfiler);
const WAIT_TIME = 1000; // ms

function run_test()
{
  // Ensure the profiler is already running when the test starts.
  Profiler.StartProfiler(1000000, 1, ["js"], 1);

  DevToolsUtils.waitForTime(WAIT_TIME).then(() => {

    get_chrome_actors((client, form) => {
      let actor = form.profilerActor;
      test_start_time(client, actor, () => {
        client.close().then(do_test_finished);
      });
    });
  });

  do_test_pending();
}

function test_start_time(client, actor, callback) {
  // Profiler should already be active at this point.
  client.request({ to: actor, type: "isActive" }, firstResponse => {
    do_check_true(Profiler.IsActive());
    do_check_true(firstResponse.isActive);
    do_check_true(firstResponse.currentTime > 0);

    client.request({ to: actor, type: "getProfile" }, secondResponse => {
      do_check_true("profile" in secondResponse);
      do_check_true(secondResponse.currentTime > firstResponse.currentTime);

      callback();
    });
  });
}