browser_prefs-02.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Tests that preference helpers work properly with custom types of Float and Json.

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

function test() {

  const Prefs = new PrefsHelper("prefs.helper.test", {

    float: ["Float", "float"],

    json: ["Json", "json"],

    jsonWithSpecialChar: ["Json", "jsonWithSpecialChar"],

});

  Prefs.registerObserver();

  // JSON

  Services.prefs.setCharPref("prefs.helper.test.json", '{"a":1}');

  is(Prefs.json.a, 1, "The JSON pref value is correctly casted on get.");

  Prefs.json = { b: 2 };

is(

    Prefs.json.a,

    undefined,

    "The JSON pref value is correctly casted on set (1)."

);

  is(Prefs.json.b, 2, "The JSON pref value is correctly casted on set (2).");

  // JSON with special character

  Services.prefs.setStringPref(

    "prefs.helper.test.jsonWithSpecialChar",

    `{"hello":"おはよう皆！"}`

);

is(

    Prefs.jsonWithSpecialChar.hello,

    "おはよう皆！",

    "The JSON pref value with a special character is correctly stored."

);

  Prefs.jsonWithSpecialChar = { bye: "さよなら！" };

is(

    Prefs.jsonWithSpecialChar.hello,

    undefined,

    "The JSON with the special characters pref value is correctly set. (1)"

);

is(

    Prefs.jsonWithSpecialChar.bye,

    "さよなら！",

    "The JSON with the special characters pref value is correctly set. (2)"

);

  // Float

  Services.prefs.setCharPref("prefs.helper.test.float", "3.14");

  is(Prefs.float, 3.14, "The float pref value is correctly casted on get.");

  Prefs.float = 6.28;

  is(Prefs.float, 6.28, "The float pref value is correctly casted on set.");

  Prefs.unregisterObserver();

  Services.prefs.clearUserPref("prefs.helper.test.float");

  Services.prefs.clearUserPref("prefs.helper.test.json");

  Services.prefs.clearUserPref("prefs.helper.test.jsonWithSpecialChar");

  finish();