diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/xpinstall/browser_httphash.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/xpinstall/browser_httphash.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+// ----------------------------------------------------------------------------
+// Test whether an install succeeds when a valid hash is included in the HTTPS
+// request
+// This verifies bug 591070
+function test() {
+  Harness.installEndedCallback = install_ended;
+  Harness.installsCompletedCallback = finish_test;
+  Harness.setup();
+
+  var pm = Services.perms;
+  pm.add(makeURI("http://example.com/"), "install", pm.ALLOW_ACTION);
+  Services.prefs.setBoolPref(PREF_INSTALL_REQUIREBUILTINCERTS, false);
+
+  var url = "https://example.com/browser/" + RELATIVE_DIR + "hashRedirect.sjs";
+  url += "?sha1:3d0dc22e1f394e159b08aaf5f0f97de4d5c65f4f|" + TESTROOT + "unsigned.xpi";
+
+  var triggers = encodeURIComponent(JSON.stringify({
+    "Unsigned XPI": {
+      URL: url,
+      toString: function() { return this.URL; }
+    }
+  }));
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.loadURI(TESTROOT + "installtrigger.html?" + triggers);
+}
+
+function install_ended(install, addon) {
+  install.cancel();
+}
+
+function finish_test(count) {
+  is(count, 1, "1 Add-on should have been successfully installed");
+
+  Services.perms.remove("example.com", "install");
+  Services.prefs.clearUserPref(PREF_INSTALL_REQUIREBUILTINCERTS);
+
+  gBrowser.removeCurrentTab();
+  Harness.finish();
+}