browser_prefs-01.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Tests that the preference helpers work properly.

const { PrefsHelper } = require("resource://devtools/client/shared/prefs.js");

function test() {

  const Prefs = new PrefsHelper("devtools.debugger", {

    foo: ["Bool", "enabled"],

});

  const originalPrefValue = Services.prefs.getBoolPref(

    "devtools.debugger.enabled"

);

  is(Prefs.foo, originalPrefValue, "The pref value was correctly fetched.");

  Prefs.foo = !originalPrefValue;

  is(Prefs.foo, !originalPrefValue, "The pref was was correctly changed (1).");

is(

    Services.prefs.getBoolPref("devtools.debugger.enabled"),

    !originalPrefValue,

    "The pref was was correctly changed (2)."

);

  Services.prefs.setBoolPref("devtools.debugger.enabled", originalPrefValue);

  info("The pref value was reset (1).");

is(

    Prefs.foo,

    !originalPrefValue,

    "The cached pref value hasn't changed yet (1)."

);

  Services.prefs.setBoolPref("devtools.debugger.enabled", !originalPrefValue);

  info("The pref value was reset (2).");

is(

    Prefs.foo,

    !originalPrefValue,

    "The cached pref value hasn't changed yet (2)."

);

  Prefs.registerObserver();

  Services.prefs.setBoolPref("devtools.debugger.enabled", originalPrefValue);

  info("The pref value was reset (3).");

  is(Prefs.foo, originalPrefValue, "The cached pref value has changed now.");

  Prefs.unregisterObserver();

  finish();