diff -r 000000000000 -r 6474c204b198 browser/base/content/test/general/browser_bug409624.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/general/browser_bug409624.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,73 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ *  License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+XPCOMUtils.defineLazyModuleGetter(this, "FormHistory",
+                                  "resource://gre/modules/FormHistory.jsm");
+
+function test() {
+  waitForExplicitFinish();
+
+  // This test relies on the form history being empty to start with delete
+  // all the items first.
+  FormHistory.update({ op: "remove" },
+                     { handleError: function (error) {
+                         do_throw("Error occurred updating form history: " + error);
+                       },
+                       handleCompletion: function (reason) { if (!reason) test2(); },
+                     });
+}
+
+function test2()
+{
+  let prefService = Cc["@mozilla.org/preferences-service;1"]
+                    .getService(Components.interfaces.nsIPrefBranch2);
+
+  let findBar = gFindBar;
+  let textbox = gFindBar.getElement("findbar-textbox");
+
+  let tempScope = {};
+  Cc["@mozilla.org/moz/jssubscript-loader;1"].getService(Ci.mozIJSSubScriptLoader)
+                                             .loadSubScript("chrome://browser/content/sanitize.js", tempScope);
+  let Sanitizer = tempScope.Sanitizer;
+  let s = new Sanitizer();
+  s.prefDomain = "privacy.cpd.";
+  let prefBranch = prefService.getBranch(s.prefDomain);
+
+  prefBranch.setBoolPref("cache", false);
+  prefBranch.setBoolPref("cookies", false);
+  prefBranch.setBoolPref("downloads", false);
+  prefBranch.setBoolPref("formdata", true);
+  prefBranch.setBoolPref("history", false);
+  prefBranch.setBoolPref("offlineApps", false);
+  prefBranch.setBoolPref("passwords", false);
+  prefBranch.setBoolPref("sessions", false);
+  prefBranch.setBoolPref("siteSettings", false);
+
+  // Sanitize now so we can test that canClear is correct. Formdata is cleared asynchronously.
+  s.sanitize().then(function() {
+    s.canClearItem("formdata", clearDone1, s);
+  });
+}
+
+function clearDone1(aItemName, aResult, aSanitizer)
+{
+  ok(!aResult, "pre-test baseline for sanitizer");
+  gFindBar.getElement("findbar-textbox").value = "m";
+  aSanitizer.canClearItem("formdata", inputEntered, aSanitizer);
+}
+
+function inputEntered(aItemName, aResult, aSanitizer)
+{
+  ok(aResult, "formdata can be cleared after input");
+  aSanitizer.sanitize().then(function() {
+    aSanitizer.canClearItem("formdata", clearDone2);
+  });
+}
+
+function clearDone2(aItemName, aResult)
+{
+  is(gFindBar.getElement("findbar-textbox").value, "", "findBar textbox should be empty after sanitize");
+  ok(!aResult, "canClear now false after sanitize");
+  finish();
+}