Issue 5183 - don't inherit ThrowingFileSystem from sync FileSystem

test/BaseJsTest.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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
@@ skipping 86 matching lines @@
 class ThrowingLogSystem : public AdblockPlus::LogSystem
 {
 public:
   void operator()(LogLevel logLevel, const std::string& message,
         const std::string& source)
   {
     throw std::runtime_error("Unexpected error: " + message);
   }
 };
 
-class ThrowingFileSystem : public AdblockPlus::IFileSystem, public AdblockPlus::FileSystem
+class ThrowingFileSystem : public AdblockPlus::IFileSystem
 {
 public:
-  IOBuffer Read(const std::string& path) const
-  {
-    throw std::runtime_error("Not implemented");
-  }
-  void Read(const std::string& path,
-            const ReadCallback& callback) const
+  void Read(const std::string& path, const ReadCallback& callback) const override
   {
     throw std::runtime_error("Not implemented");
   }
 
-  void Write(const std::string& path, const IOBuffer& content)
-  {
-    throw std::runtime_error("Not implemented");
-  }
   void Write(const std::string& path, const IOBuffer& data,
-             const Callback& callback)
+    const Callback& callback) override
   {
     throw std::runtime_error("Not implemented");
   }
 
-  void Move(const std::string& fromPath, const std::string& toPath)
-  {
-    throw std::runtime_error("Not implemented");
-  }
   void Move(const std::string& fromPath, const std::string& toPath,
-            const Callback& callback)
+            const Callback& callback) override
   {
     throw std::runtime_error("Not implemented");
   }
 
-  void Remove(const std::string& path)
-  {
-    throw std::runtime_error("Not implemented");
-  }
-  void Remove(const std::string& path, const Callback& callback)
+  void Remove(const std::string& path, const Callback& callback) override
   {
     throw std::runtime_error("Not implemented");
   }
 
-  StatResult Stat(const std::string& path) const
-  {
-    throw std::runtime_error("Not implemented");
-  }
-  void Stat(const std::string& path,
-            const StatCallback& callback) const
+  void Stat(const std::string& path, const StatCallback& callback) const override
   {
     throw std::runtime_error("Not implemented");
   }
 
-  std::string Resolve(const std::string& path) const
+  std::string Resolve(const std::string& path) const override
   {
     throw std::runtime_error("Not implemented");
   }
 };
 
 class ThrowingWebRequest : public AdblockPlus::IWebRequest
 {
 public:
   void GET(const std::string& url, const AdblockPlus::HeaderList& requestHeaders, const GetCallback&) override
   {
@@ skipping 141 matching lines @@
 protected:
   AdblockPlus::JsEnginePtr jsEngine;
 
   virtual void SetUp()
   {
     jsEngine = CreateJsEngine();
   }
 };
 
 #endif