michael@0: var Cc = Components.classes;
michael@0: var Ci = Components.interfaces;
michael@0: 
michael@0: function run_test() {
michael@0:   var f =
michael@0:       Cc["@mozilla.org/file/directory_service;1"].
michael@0:       getService(Ci.nsIProperties).get("CurProcD", Ci.nsIFile);
michael@0: 
michael@0:   var terminated = false;
michael@0:   for (var i = 0; i < 100; i++) {
michael@0:     if (f == null) {
michael@0:       terminated = true;
michael@0:       break;
michael@0:     }
michael@0:     f = f.parent;
michael@0:   }
michael@0: 
michael@0:   do_check_true(terminated);
michael@0: }