function test() {
  var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
  let baseProvider = "http://mochi.test:8888/browser/dom/tests/browser/network_geolocation.sjs";
  prefs.setCharPref("geo.wifi.uri", baseProvider + "?desired_access_token=fff");

  prefs.setBoolPref("geo.prompt.testing", true);
  prefs.setBoolPref("geo.prompt.testing.allow", true);

  const testPageURL = "http://mochi.test:8888/browser/" +
    "dom/tests/browser/browser_geolocation_privatebrowsing_page.html";
  waitForExplicitFinish();

  var windowsToClose = [];
  function testOnWindow(aIsPrivate, aCallback) {
    var win = OpenBrowserWindow({private: aIsPrivate});
    win.addEventListener("load", function onLoad() {
      win.removeEventListener("load", onLoad, false);
      windowsToClose.push(win);
      executeSoon(function() { aCallback(win); });
    }, false);
  }

  registerCleanupFunction(function () {
    windowsToClose.forEach(function(win) {
      win.close();
    });
  });

  testOnWindow(false, function(aNormalWindow) {
    aNormalWindow.gBrowser.selectedBrowser.addEventListener("georesult", function load(ev) {
      aNormalWindow.gBrowser.selectedBrowser.removeEventListener("georesult", load, false);
      is(ev.detail, 200, "unexpected access token");

      prefs.setCharPref("geo.wifi.uri", baseProvider + "?desired_access_token=ggg");

      testOnWindow(true, function(aPrivateWindow) {
        aPrivateWindow.gBrowser.selectedBrowser.addEventListener("georesult", function load2(ev) {
          aPrivateWindow.gBrowser.selectedBrowser.removeEventListener("georesult", load2, false);
          is(ev.detail, 200, "unexpected access token");

          prefs.setCharPref("geo.wifi.uri", baseProvider + "?expected_access_token=fff");

          testOnWindow(false, function(aAnotherNormalWindow) {
            aAnotherNormalWindow.gBrowser.selectedBrowser.addEventListener("georesult", function load3(ev) {
              aAnotherNormalWindow.gBrowser.selectedBrowser.removeEventListener("georesult", load3, false);
              is(ev.detail, 200, "unexpected access token");
              prefs.setBoolPref("geo.prompt.testing", false);
              prefs.setBoolPref("geo.prompt.testing.allow", false);

              finish();
            }, false, true);
            aAnotherNormalWindow.content.location = testPageURL;
          });
        }, false, true);
        aPrivateWindow.content.location = testPageURL;
      });
    }, false, true);
    aNormalWindow.content.location = testPageURL;
  });
}