diff -r 000000000000 -r 6474c204b198 browser/base/content/test/plugins/browser_bug812562.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/plugins/browser_bug812562.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,93 @@
+var gHttpTestRoot = getRootDirectory(gTestPath).replace("chrome://mochitests/content/", "http://127.0.0.1:8888/");
+var gTestBrowser = null;
+var gNextTest = null;
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+function test() {
+  waitForExplicitFinish();
+  registerCleanupFunction(function() {
+    Services.prefs.clearUserPref("plugins.click_to_play");
+  });
+  Services.prefs.setBoolPref("plugins.click_to_play", true);
+  setTestPluginEnabledState(Ci.nsIPluginTag.STATE_CLICKTOPLAY);
+
+  var newTab = gBrowser.addTab();
+  gBrowser.selectedTab = newTab;
+  gTestBrowser = gBrowser.selectedBrowser;
+  gTestBrowser.addEventListener("load", pageLoad, true);
+  setAndUpdateBlocklist(gHttpTestRoot + "blockPluginVulnerableUpdatable.xml",
+  function() {
+    prepareTest(function() {
+        // Due to layout being async, "PluginBindAttached" may trigger later.
+        // This forces a layout flush, thus triggering it, and schedules the
+        // test so it is definitely executed afterwards.
+        gTestBrowser.contentDocument.getElementById('test').clientTop;
+        testPart1();
+      },
+      gHttpTestRoot + "plugin_test.html");
+  });
+}
+
+function finishTest() {
+  gTestBrowser.removeEventListener("load", pageLoad, true);
+  gBrowser.removeCurrentTab();
+  window.focus();
+  setAndUpdateBlocklist(gHttpTestRoot + "blockNoPlugins.xml",
+  function() {
+    resetBlocklist();
+    finish();
+  });
+}
+
+function pageLoad(aEvent) {
+  // The plugin events are async dispatched and can come after the load event
+  // This just allows the events to fire before we then go on to test the states
+  if (gNextTest != null)
+    executeSoon(gNextTest);
+}
+
+function prepareTest(nextTest, url) {
+  gNextTest = nextTest;
+  gTestBrowser.contentWindow.location = url;
+}
+
+// Tests that the going back will reshow the notification for click-to-play
+// blocklisted plugins (part 1/4)
+function testPart1() {
+  var popupNotification = PopupNotifications.getNotification("click-to-play-plugins", gTestBrowser);
+  ok(popupNotification, "test part 1: Should have a click-to-play notification");
+  var plugin = gTestBrowser.contentDocument.getElementById("test");
+  var objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
+  is(objLoadingContent.pluginFallbackType, Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_UPDATABLE, "test part 1: plugin fallback type should be PLUGIN_VULNERABLE_UPDATABLE");
+  ok(!objLoadingContent.activated, "test part 1: plugin should not be activated");
+
+  prepareTest(testPart2, "about:blank");
+}
+
+function testPart2() {
+  var popupNotification = PopupNotifications.getNotification("click-to-play-plugins", gTestBrowser);
+  ok(!popupNotification, "test part 2: Should not have a click-to-play notification");
+  var plugin = gTestBrowser.contentDocument.getElementById("test");
+  ok(!plugin, "test part 2: Should not have a plugin in this page");
+
+  Services.obs.addObserver(testPart3, "PopupNotifications-updateNotShowing", false);
+  gTestBrowser.contentWindow.history.back();
+}
+
+function testPart3() {
+  Services.obs.removeObserver(testPart3, "PopupNotifications-updateNotShowing");
+  var condition = function() PopupNotifications.getNotification("click-to-play-plugins", gTestBrowser);
+  waitForCondition(condition, testPart4, "test part 3: waited too long for click-to-play-plugin notification");
+}
+
+function testPart4() {
+  var popupNotification = PopupNotifications.getNotification("click-to-play-plugins", gTestBrowser);
+  ok(popupNotification, "test part 4: Should have a click-to-play notification");
+  var plugin = gTestBrowser.contentDocument.getElementById("test");
+  var objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
+  is(objLoadingContent.pluginFallbackType, Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_UPDATABLE, "test part 4: plugin fallback type should be PLUGIN_VULNERABLE_UPDATABLE");
+  ok(!objLoadingContent.activated, "test part 4: plugin should not be activated");
+
+  finishTest();
+}