michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: function run_test() {
michael@0:   let env = Components.classes["@mozilla.org/process/environment;1"]
michael@0:                       .getService(Components.interfaces.nsIEnvironment);
michael@0:   do_check_throws_nsIException(function () {
michael@0:     env.QueryInterface(Components.interfaces.nsIFile);
michael@0:   }, "NS_NOINTERFACE");
michael@0: }
michael@0: