specialpower.js

  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  
<script class="testbody" type="text/javascript">
/*
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
var localizer = Cu.import("resource://gre/modules/CSPUtils.jsm", {}).CSPLocalizer
XPCOMUtils.defineLazyGetter(localizer, "stringBundle", function() {
  return Services.strings.createBundle("chrome://global/locale/security/security.properties");
});

var depreHeadersMsg = localizer.getFormatStr("OldCSPHeaderDeprecated", []);
var dualHeadersMsg = localizer.getFormatStr("BothCSPHeadersPresent", []);
*/
var stringBundleService = SpecialPowers.Cc["@mozilla.org/intl/stringbundle;1"].getService(SpecialPowers.Ci.nsIStringBundleService);
var g_bundl = stringBundleService.createBundle("chrome://global/locale/security/security.properties");
var depreHeadersMsg = g_bundl.formatStringFromName("OldCSPHeaderDeprecated", [], 0)
var dualHeadersMsg = g_bundl.formatStringFromName("BothCSPHeadersPresent", [], 0)
//g_bundl.getFormatStr("OldCSPHeaderDeprecated", []);

console.log(depreHeadersMsg);
//var depreHeaderMsg = "The X-Content-Security-Policy and X-Content-Security-Report-Only headers will be deprecated in the future."
//var dualHeaderMsg = "This site specified both an X-Content-Security-Policy/Report-Only header and a Content-Security-Policy/Report-Only header. The X-Content-Security-Policy/Report-Only header(s) will be ignored."

var cspframe = document.getElementById('cspframe');
cspframe.src = "file_dual_headers_warning.html";

SimpleTest.waitForExplicitFinish();
function cleanup() {
  SpecialPowers.postConsoleSentinel();
  SimpleTest.finish();
}
SpecialPowers.registerConsoleListener(function ConsoleMsgListener(aMsg) {
  // NOTE: this test is not perfect because the test assumes the ordering
  // of the console message output: the deprecated warning comes before
  // the dual header warning. This test will fail if the order was changed.
  // We would love to use SimpleTest.runTestExpectingConsoleMessages
  // to assert the number of expected console messages, but we are not able
  // to make the function working with our test.

  if (!aMsg.message) {
    // if no message yet we wait
    return;
  } else if (aMsg.message.indexOf(depreHeadersMsg) > -1) {
    ok(false, "Deprecated CSP header warning should not be present.");
    return;
  } else if (aMsg.message.indexOf(dualHeadersMsg) > -1) {
    console.log("found dual");
    console.log(aMsg);
    ok(true, "Dual CSP header warning present.");
    SimpleTest.executeSoon(cleanup);
  } else {
    // if some other console message is present, we wait
    console.log(aMsg.message);
    return;
  }
});

</script>