michael@0: function check_cl(iface, desc) {
michael@0:     do_check_eq(iface.QueryInterface(Components.interfaces.nsIClassInfo).classDescription, desc);
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:     check_cl(Components.interfaces, 'XPCComponents_Interfaces');
michael@0:     check_cl(Components.interfacesByID, 'XPCComponents_InterfacesByID');
michael@0:     check_cl(Components.classes, 'XPCComponents_Classes');
michael@0:     check_cl(Components.classesByID, 'XPCComponents_ClassesByID');
michael@0:     check_cl(Components.results, 'XPCComponents_Results');
michael@0: }