The Tor Browser: modules/libpref/test/unit/test

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* Any copyright is dedicated to the Public Domain.

     2  * http://creativecommons.org/licenses/publicdomain/  */

     4 function run_test() {

     5   const Cc = Components.classes;

     6   const Ci = Components.interfaces;

     7   const Cr = Components.results;

     8   const PREF_NAME = "testPref";

    10   var ps = Cc["@mozilla.org/preferences-service;1"]

    11            .getService(Ci.nsIPrefService);

    12   var prefs = ps.getDefaultBranch(null);

    13   var userprefs = ps.getBranch(null);

    15   /* First, test to make sure we can parse a float from a string properly. */

    16   prefs.setCharPref(PREF_NAME, "9.674");

    17   prefs.lockPref(PREF_NAME);

    18   var myFloat = 9.674;

    19   var fudge = 0.001;

    20   var floatPref = userprefs.getFloatPref(PREF_NAME);

    21   do_check_true(myFloat+fudge >= floatPref);

    22   do_check_true(myFloat-fudge <= floatPref);

    24   /* Now test some failure conditions. */

    25   prefs.unlockPref(PREF_NAME);

    26   prefs.setCharPref(PREF_NAME, "");

    27   prefs.lockPref(PREF_NAME);

    28   do_check_throws(function() {

    29     userprefs.getFloatPref(PREF_NAME);

    30   }, Cr.NS_ERROR_ILLEGAL_VALUE);

    32   prefs.unlockPref(PREF_NAME);

    33   prefs.setCharPref(PREF_NAME, "18.0a1");

    34   prefs.lockPref(PREF_NAME);

    36   do_check_throws(function() {

    37     userprefs.getFloatPref(PREF_NAME);

    38   }, Cr.NS_ERROR_ILLEGAL_VALUE);

    40   prefs.unlockPref(PREF_NAME);

    41   prefs.setCharPref(PREF_NAME, "09.25.2012");

    42   prefs.lockPref(PREF_NAME);

    44   do_check_throws(function() {

    45     userprefs.getFloatPref(PREF_NAME);

    46   }, Cr.NS_ERROR_ILLEGAL_VALUE);

    48   prefs.unlockPref(PREF_NAME);

    49   prefs.setCharPref(PREF_NAME, "aString");

    50   prefs.lockPref(PREF_NAME);

    52   do_check_throws(function() {

    53     userprefs.getFloatPref(PREF_NAME);

    54   }, Cr.NS_ERROR_ILLEGAL_VALUE);

    55 }

The Tor Browser / file revision