56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/licenses/publicdomain/ */
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function run_test() {
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const PREF_NAME = "testPref";
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var ps = Cc["@mozilla.org/preferences-service;1"]
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.getService(Ci.nsIPrefService);
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var prefs = ps.getDefaultBranch(null);
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var userprefs = ps.getBranch(null);
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/* First, test to make sure we can parse a float from a string properly. */
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prefs.setCharPref(PREF_NAME, "9.674");
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prefs.lockPref(PREF_NAME);
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var myFloat = 9.674;
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var fudge = 0.001;
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var floatPref = userprefs.getFloatPref(PREF_NAME);
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do_check_true(myFloat+fudge >= floatPref);
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do_check_true(myFloat-fudge <= floatPref);
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/* Now test some failure conditions. */
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prefs.unlockPref(PREF_NAME);
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prefs.setCharPref(PREF_NAME, "");
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prefs.lockPref(PREF_NAME);
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do_check_throws(function() {
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userprefs.getFloatPref(PREF_NAME);
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}, Cr.NS_ERROR_ILLEGAL_VALUE);
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prefs.unlockPref(PREF_NAME);
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prefs.setCharPref(PREF_NAME, "18.0a1");
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prefs.lockPref(PREF_NAME);
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do_check_throws(function() {
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userprefs.getFloatPref(PREF_NAME);
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}, Cr.NS_ERROR_ILLEGAL_VALUE);
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prefs.unlockPref(PREF_NAME);
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prefs.setCharPref(PREF_NAME, "09.25.2012");
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prefs.lockPref(PREF_NAME);
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do_check_throws(function() {
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userprefs.getFloatPref(PREF_NAME);
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}, Cr.NS_ERROR_ILLEGAL_VALUE);
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prefs.unlockPref(PREF_NAME);
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prefs.setCharPref(PREF_NAME, "aString");
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prefs.lockPref(PREF_NAME);
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do_check_throws(function() {
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userprefs.getFloatPref(PREF_NAME);
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}, Cr.NS_ERROR_ILLEGAL_VALUE);
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}
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