diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/xpinstall/browser_bug645699.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/xpinstall/browser_bug645699.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+// ----------------------------------------------------------------------------
+// Tests installing an unsigned add-on through an InstallTrigger call in web
+// content. This should be blocked by the whitelist check.
+// This verifies bug 645699
+function test() {
+  Harness.installConfirmCallback = confirm_install;
+  Harness.installBlockedCallback = allow_blocked;
+  Harness.installsCompletedCallback = finish_test;
+  Harness.setup();
+
+  var pm = Services.perms;
+  pm.add(makeURI("http://example.org/"), "install", pm.ALLOW_ACTION);
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.loadURI(TESTROOT + "bug645699.html");
+}
+
+function allow_blocked(installInfo) {
+  is(installInfo.originatingWindow, gBrowser.contentWindow, "Install should have been triggered by the right window");
+  is(installInfo.originatingURI.spec, gBrowser.currentURI.spec, "Install should have been triggered by the right uri");
+  return false;
+}
+
+function confirm_install(window) {
+  ok(false, "Should not see the install dialog");
+  return false;
+}
+
+function finish_test(count) {
+  is(count, 0, "0 Add-ons should have been successfully installed");
+  Services.perms.remove("addons.mozilla.org", "install");
+
+  gBrowser.removeCurrentTab();
+  Harness.finish();
+}
+// ----------------------------------------------------------------------------