--- a/browser/base/content/test/general/browser.ini
+++ b/browser/base/content/test/general/browser.ini
@@ -84,16 +84,19 @@ support-files =
   video.ogg
   zoom_test.html
   test_no_mcb_on_http_site_img.html
   test_no_mcb_on_http_site_img.css
   test_no_mcb_on_http_site_font.html
   test_no_mcb_on_http_site_font.css
   test_no_mcb_on_http_site_font2.html
   test_no_mcb_on_http_site_font2.css
+  test_mcb_redirect.html
+  test_mcb_redirect.js
+  test_mcb_redirect.sjs
   xul_tooltiptext.xhtml
   file_bug1045809_1.html
   file_bug1045809_2.html
 
 [browser_URLBarSetURI.js]
 skip-if = (os == "linux" || os == "mac") && debug # bug 970052, bug 970053
 [browser_aboutAccounts.js]
 skip-if = os == "linux" # Bug 958026
@@ -498,8 +501,9 @@ skip-if = e10s
 [browser_bug1025195_switchToTabHavingURI_ignoreFragment.js]
 [browser_addCertException.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (content.document.getElementById)
 [browser_bug1045809.js]
 skip-if = e10s # Bug 1068360 - [e10s] Mixed content blocker doorhanger doesn't work
 [browser_e10s_switchbrowser.js]
 [browser_blockHPKP.js]
 skip-if = e10s # bug ?????? - test directly manipulates content (content.document.getElementById)
+[browser_mcb_redirect.js]

new file mode 100644
--- /dev/null
+++ b/browser/base/content/test/general/browser_mcb_redirect.js
@@ -0,0 +1,110 @@
+/*
+ * Description of the Tests for
+ *  - Bug 418354 - Call Mixed content blocking on redirects
+ *
+ * 1. Load a script over https inside an https page
+ *    - the server responds with a 302 redirect to a >> HTTP << script
+ *    - the doorhanger should appear!
+ *
+ * 2. Load a script over https inside an http page
+ *    - the server responds with a 302 redirect to a >> HTTP << script
+ *    - the doorhanger should not appear!
+ */
+
+const PREF_ACTIVE = "security.mixed_content.block_active_content";
+const gHttpsTestRoot = "https://example.com/browser/browser/base/content/test/general/";
+const gHttpTestRoot = "http://example.com/browser/browser/base/content/test/general/";
+
+let origBlockActive;
+var gTestBrowser = null;
+
+//------------------------ Helper Functions ---------------------
+
+registerCleanupFunction(function() {
+  // Set preferences back to their original values
+  Services.prefs.setBoolPref(PREF_ACTIVE, origBlockActive);
+});
+
+function cleanUpAfterTests() {
+  gBrowser.removeCurrentTab();
+  window.focus();
+  finish();
+}
+
+function waitForCondition(condition, nextTest, errorMsg, okMsg) {
+  var tries = 0;
+  var interval = setInterval(function() {
+    if (tries >= 30) {
+      ok(false, errorMsg);
+      moveOn();
+    }
+    if (condition()) {
+      ok(true, okMsg)
+      moveOn();
+    }
+    tries++;
+  }, 100);
+  var moveOn = function() {
+    clearInterval(interval); nextTest();
+  };
+}
+
+//------------------------ Test 1 ------------------------------
+
+function test1() {
+  gTestBrowser.addEventListener("load", checkPopUpNotificationsForTest1, true);
+  var url = gHttpsTestRoot + "test_mcb_redirect.html"
+  gTestBrowser.contentWindow.location = url;
+}
+
+function checkPopUpNotificationsForTest1() {
+  gTestBrowser.removeEventListener("load", checkPopUpNotificationsForTest1, true);
+
+  var notification = PopupNotifications.getNotification("bad-content", gTestBrowser.selectedBrowser);
+  ok(notification, "OK: Mixed Content Doorhanger appeared in Test1!");
+
+  var expected = "script blocked";
+  waitForCondition(
+    function() content.document.getElementById('mctestdiv').innerHTML == expected,
+    test2, "Error: Waited too long for status in Test 1!",
+    "OK: Expected result in innerHTML for Test1!");
+}
+
+//------------------------ Test 2 ------------------------------
+
+function test2() {
+  gTestBrowser.addEventListener("load", checkPopUpNotificationsForTest2, true);
+  var url = gHttpTestRoot + "test_mcb_redirect.html"
+  gTestBrowser.contentWindow.location = url;
+}
+
+function checkPopUpNotificationsForTest2() {
+  gTestBrowser.removeEventListener("load", checkPopUpNotificationsForTest2, true);
+
+  var notification = PopupNotifications.getNotification("bad-content", gTestBrowser.selectedBrowser);
+  ok(!notification, "OK: Mixed Content Doorhanger did not appear in 2!");
+
+  var expected = "script executed";
+  waitForCondition(
+    function() content.document.getElementById('mctestdiv').innerHTML == expected,
+    cleanUpAfterTests, "Error: Waited too long for status in Test 2!",
+    "OK: Expected result in innerHTML for Test2!");
+}
+
+//------------------------ SETUP ------------------------------
+
+function test() {
+  // Performing async calls, e.g. 'onload', we have to wait till all of them finished
+  waitForExplicitFinish();
+
+  // Store original preferences so we can restore settings after testing
+  origBlockActive = Services.prefs.getBoolPref(PREF_ACTIVE);
+  Services.prefs.setBoolPref(PREF_ACTIVE, true);
+
+  var newTab = gBrowser.addTab();
+  gBrowser.selectedTab = newTab;
+  gTestBrowser = gBrowser.selectedBrowser;
+  newTab.linkedBrowser.stop();
+
+  executeSoon(test1);
+}

new file mode 100644
--- /dev/null
+++ b/browser/base/content/test/general/test_mcb_redirect.html
@@ -0,0 +1,15 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+  Test 1 for Bug 418354 - See file browser_mcb_redirect.js for description.
+  https://bugzilla.mozilla.org/show_bug.cgi?id=418354
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Bug 418354</title>
+</head>
+<body>
+  <div id="mctestdiv">script blocked</div>
+  <script src="https://example.com/browser/browser/base/content/test/general/test_mcb_redirect.sjs" ></script>
+</body>
+</html>

new file mode 100644
--- /dev/null
+++ b/browser/base/content/test/general/test_mcb_redirect.js
@@ -0,0 +1,5 @@
+/*
+ * Once the mixed content blocker is disabled for the page, this scripts loads
+ * and updates the text inside the div container.
+ */
+document.getElementById("mctestdiv").innerHTML = "script executed";

new file mode 100644
--- /dev/null
+++ b/browser/base/content/test/general/test_mcb_redirect.sjs
@@ -0,0 +1,11 @@
+function handleRequest(request, response) {
+  var page = "<!DOCTYPE html><html><body>bug 418354</body></html>";
+
+  var redirect = "http://example.com/browser/browser/base/content/test/general/test_mcb_redirect.js";
+
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+  response.setStatusLine(request.httpVersion, "302", "Found");
+  response.setHeader("Location", redirect, false);
+  response.write(page);
+}