The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/modules/libpref/test/unit/test_bug577950.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,28 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +function run_test() {
     1.9 +  var ps = Cc["@mozilla.org/preferences-service;1"].
    1.10 +            getService(Ci.nsIPrefService);
    1.11 +
    1.12 +  var pb = Cc["@mozilla.org/preferences-service;1"].
    1.13 +            getService(Ci.nsIPrefBranch);
    1.14 +
    1.15 +  var observer = {
    1.16 +    QueryInterface: function QueryInterface(aIID) {
    1.17 +      if (aIID.equals(Ci.nsIObserver) ||
    1.18 +          aIID.equals(Ci.nsISupports))
    1.19 +         return this;
    1.20 +      throw Components.results.NS_NOINTERFACE;
    1.21 +    },
    1.22 +
    1.23 +    observe: function observe(aSubject, aTopic, aState) {
    1.24 +      // Don't do anything.
    1.25 +    }
    1.26 +  }
    1.27 +
    1.28 +  /* Set the same pref twice.  This shouldn't leak. */
    1.29 +  pb.addObserver("UserPref.nonexistent.setIntPref", observer, false);
    1.30 +  pb.addObserver("UserPref.nonexistent.setIntPref", observer, false);
    1.31 +}