Issue 5506 - Make the notification test work.

test/BaseJsTest.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef MOCKS_H
 #define MOCKS_H
 
+#include <queue>
 #include <thread>
 
 #include <AdblockPlus.h>
 #include <AdblockPlus/Platform.h>
 #include <gtest/gtest.h>
 #include "../src/Thread.h"
 
 // Strictly speaking in each test there should be a special implementation of
 // an interface, which is merely referenced by a wrapper and the latter should
 // be injected into JsEngine or what ever. However the everthing a test often
@@ skipping 33 matching lines @@
   }
 };
 
 class NoopTimer : public AdblockPlus::ITimer
 {
   void SetTimer(const std::chrono::milliseconds& timeout, const TimerCallback& timerCallback) override
   {
   }
 };
 
+class ManualTimer : public AdblockPlus::ITimer
+{
+  std::queue<TimerCallback> timers;
+  void SetTimer(const std::chrono::milliseconds& timeout, const TimerCallback& timerCallback) override
+  {
+    timers.push(timerCallback);
+  }
+
+public:
+  void runPending()
+  {
+    std::queue<TimerCallback> currentTimers;
+    currentTimers.swap(timers);
+    while (!currentTimers.empty()) {
+      auto callback = currentTimers.front();
+      currentTimers.pop();
+      callback();
+    }
+  }
+};
+
 struct DelayedTimerTask
 {
   std::chrono::milliseconds timeout;
   AdblockPlus::ITimer::TimerCallback callback;
 };
 
 class DelayedTimer : public DelayedMixin<DelayedTimer, DelayedTimerTask, AdblockPlus::ITimer>
 {
 public:
   void SetTimer(const std::chrono::milliseconds& timeout, const TimerCallback& timerCallback) override
@@ skipping 257 matching lines @@
   }
 
   void TearDown() override
   {
     if (platform)
       platform.reset();
   }
 };
 
 #endif