netwerk/test/unit/test_gre_resources.js

   1 // test that things that are expected to be in gre-resources are still there
   2
   3 "use strict";
   4
   5 function wrapInputStream(input) {
   6   var nsIScriptableInputStream = Ci.nsIScriptableInputStream;
   7   var factory = Cc["@mozilla.org/scriptableinputstream;1"];
   8   var wrapper = factory.createInstance(nsIScriptableInputStream);
   9   wrapper.init(input);
  10   return wrapper;
  11 }
  12
  13 function check_file(file) {
  14   var channel = NetUtil.newChannel({
  15     uri: "resource://gre-resources/" + file,
  16     loadUsingSystemPrincipal: true,
  17   });
  18   try {
  19     let instr = wrapInputStream(channel.open());
  20     Assert.ok(!!instr.read(1024).length);
  21   } catch (e) {
  22     do_throw("Failed to read " + file + " from gre-resources:" + e);
  23   }
  24 }
  25
  26 function run_test() {
  27   for (let file of ["ua.css"]) {
  28     check_file(file);
  29   }
  30 }