Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); var Cc = Components.classes; var Ci = Components.interfaces; function run_test() { let manifest = do_get_file('components/testcompnoaslr.manifest'); registerAppManifest(manifest); var sysInfo = Cc["@mozilla.org/system-info;1"]. getService(Ci.nsIPropertyBag2); var ver = parseFloat(sysInfo.getProperty("version")); if (ver < 6.0) { // This is disabled on pre-Vista OSs. do_check_true("{335fb596-e52d-418f-b01c-1bf16ce5e7e4}" in Components.classesByID); } else { do_check_false("{335fb596-e52d-418f-b01c-1bf16ce5e7e4}" in Components.classesByID); } }