Method IsKeyValidForTesting

libs/base/lru_cache.hpp:154–163

\returns true if |key| and its age are contained in |m_keyToAge| and |m_keyToAge|. \note It's a time consumption method and should be called for tests only.

    /// \returns true if |key| and its age are contained in |m_keyToAge| and |m_keyToAge|.
    /// \note It's a time consumption method and should be called for tests only.
    bool IsKeyValidForTesting(Key const & key) const
    {
      auto const keyToAgeId = m_keyToAge.find(key);
      if (keyToAgeId == m_keyToAge.cend())
        return false;
      auto const ageToKeyIt = m_ageToKey.find(keyToAgeId->second);
      if (ageToKeyIt == m_ageToKey.cend())
        return false;
      return key == ageToKeyIt->second;
    }

  private:
    size_t m_age = 0;