// test that things that are expected to be in gre-resources are still there Cu.import("resource://gre/modules/NetUtil.jsm"); var ios = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); function wrapInputStream(input) { var nsIScriptableInputStream = Components.interfaces.nsIScriptableInputStream; var factory = Components.classes["@mozilla.org/scriptableinputstream;1"]; var wrapper = factory.createInstance(nsIScriptableInputStream); wrapper.init(input); return wrapper; } function check_file(file) { var channel = NetUtil.newChannel({ uri: "resource://gre-resources/"+file, loadUsingSystemPrincipal: true }); try { let instr = wrapInputStream(channel.open2()); do_check_true(instr.read(1024).length > 0) } catch (e) { do_throw("Failed to read " + file + " from gre-resources:"+e) } } function run_test() { for (let file of ["ua.css"]) check_file(file) }