diff -r 000000000000 -r 6474c204b198 toolkit/components/places/tests/cpp/places_test_harness_tail.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/places/tests/cpp/places_test_harness_tail.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * 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/. */
+
+#include "nsWidgetsCID.h"
+#include "nsIComponentRegistrar.h"
+#ifdef MOZ_CRASHREPORTER
+#include "nsICrashReporter.h"
+#endif
+
+#ifndef TEST_NAME
+#error "Must #define TEST_NAME before including places_test_harness_tail.h"
+#endif
+
+#ifndef TEST_FILE
+#error "Must #define TEST_FILE before include places_test_harness_tail.h"
+#endif
+
+int gTestsIndex = 0;
+
+#define TEST_INFO_STR "TEST-INFO | (%s) | "
+
+class RunNextTest : public nsRunnable
+{
+public:
+  NS_IMETHOD Run()
+  {
+    NS_ASSERTION(NS_IsMainThread(), "Not running on the main thread?");
+    if (gTestsIndex < int(mozilla::ArrayLength(gTests))) {
+      do_test_pending();
+      Test &test = gTests[gTestsIndex++];
+      (void)fprintf(stderr, TEST_INFO_STR "Running %s.\n", TEST_FILE,
+                    test.name);
+      test.func();
+    }
+
+    do_test_finished();
+    return NS_OK;
+  }
+};
+
+void
+run_next_test()
+{
+  nsCOMPtr<nsIRunnable> event = new RunNextTest();
+  do_check_success(NS_DispatchToCurrentThread(event));
+}
+
+int gPendingTests = 0;
+
+void
+do_test_pending()
+{
+  NS_ASSERTION(NS_IsMainThread(), "Not running on the main thread?");
+  gPendingTests++;
+}
+
+void
+do_test_finished()
+{
+  NS_ASSERTION(NS_IsMainThread(), "Not running on the main thread?");
+  NS_ASSERTION(gPendingTests > 0, "Invalid pending test count!");
+  gPendingTests--;
+}
+
+void
+disable_idle_service()
+{
+  (void)fprintf(stderr, TEST_INFO_STR  "Disabling Idle Service.\n", TEST_FILE);
+  static NS_DEFINE_IID(kIdleCID, NS_IDLE_SERVICE_CID);
+  nsresult rv;
+  nsCOMPtr<nsIFactory> idleFactory = do_GetClassObject(kIdleCID, &rv);
+  do_check_success(rv);
+  nsCOMPtr<nsIComponentRegistrar> registrar;
+  rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
+  do_check_success(rv);
+  rv = registrar->UnregisterFactory(kIdleCID, idleFactory);
+  do_check_success(rv);
+}
+
+int
+main(int aArgc,
+     char** aArgv)
+{
+  ScopedXPCOM xpcom(TEST_NAME);
+  if (xpcom.failed())
+    return -1;
+  // Initialize a profile folder to ensure a clean shutdown.
+  nsCOMPtr<nsIFile> profile = xpcom.GetProfileDirectory();
+  if (!profile) {
+    fail("Couldn't get the profile directory.");
+    return -1;
+  }
+
+#ifdef MOZ_CRASHREPORTER
+    char* enabled = PR_GetEnv("MOZ_CRASHREPORTER");
+    if (enabled && !strcmp(enabled, "1")) {
+      // bug 787458: move this to an even-more-common location to use in all
+      // C++ unittests
+      nsCOMPtr<nsICrashReporter> crashreporter =
+        do_GetService("@mozilla.org/toolkit/crash-reporter;1");
+      if (crashreporter) {
+        fprintf(stderr, "Setting up crash reporting\n");
+
+        nsCOMPtr<nsIProperties> dirsvc =
+          do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+        if (!dirsvc)
+          NS_RUNTIMEABORT("Couldn't get directory service");
+        nsCOMPtr<nsIFile> cwd;
+        nsresult rv = dirsvc->Get(NS_OS_CURRENT_WORKING_DIR,
+                                  NS_GET_IID(nsIFile),
+                                  getter_AddRefs(cwd));
+        if (NS_FAILED(rv))
+          NS_RUNTIMEABORT("Couldn't get CWD");
+        crashreporter->SetEnabled(true);
+        crashreporter->SetMinidumpPath(cwd);
+      }
+    }
+#endif
+
+  nsRefPtr<WaitForConnectionClosed> spinClose = new WaitForConnectionClosed();
+
+  // Tinderboxes are constantly on idle.  Since idle tasks can interact with
+  // tests, causing random failures, disable the idle service.
+  disable_idle_service();
+
+  do_test_pending();
+  run_next_test();
+
+  // Spin the event loop until we've run out of tests to run.
+  while (gPendingTests) {
+    (void)NS_ProcessNextEvent();
+  }
+
+  // And let any other events finish before we quit.
+  (void)NS_ProcessPendingEvents(nullptr);
+
+  // Check that we have passed all of our tests, and output accordingly.
+  if (gPassedTests == gTotalTests) {
+    passed(TEST_FILE);
+  }
+
+  (void)fprintf(stderr, TEST_INFO_STR  "%u of %u tests passed\n",
+                TEST_FILE, unsigned(gPassedTests), unsigned(gTotalTests));
+
+  return gPassedTests == gTotalTests ? 0 : -1;
+}