etl/test/test_pool_message.cpp

/******************************************************************************
The MIT License(MIT)

Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com

Copyright(c) 2020 jwellbelove

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#include "UnitTest++/UnitTest++.h"

#include "etl/pool.h"
#include "etl/shared_message.h"
#include "etl/message.h"
#include "etl/message_router.h"
#include "etl/atomic.h"
#include "etl/queue.h"
#include "etl/reference_counted_message_pool.h"

namespace
{
  constexpr etl::message_id_t MESSAGE1 = 1U;
  constexpr etl::message_id_t MESSAGE2 = 2U;

  constexpr etl::message_router_id_t ROUTER1 = 1U;
  constexpr etl::message_router_id_t ROUTER2 = 2U;

  //*************************************************************************
  struct Message1 : public etl::message<MESSAGE1>
  {
  };

  //*************************************************************************
  struct Message2 : public etl::message<MESSAGE2>
  {
  };

  //*************************************************************************
  struct Router1 : public etl::message_router<Router1, Message1, Message2>
  {
    Router1()
      : message_router(1)
    {

    }

    void on_receive(etl::imessage_router& source, const Message1& message)
    {

    }

    void on_receive_unknown(etl::imessage_router& source, const etl::imessage& message)
    {

    }
  };

  //*************************************************************************
  struct Router2 : public etl::message_router<Router2, Message1, Message2>
  {
    Router2()
      : message_router(2)
    {

    }

    void on_receive(etl::imessage_router& source, const Message1& message)
    {

    }

    void on_receive_unknown(etl::imessage_router& source, const etl::imessage& message)
    {

    }
  };

  //*************************************************************************
  struct Processor : public etl::shared_message_processor
  {
    Processor(Router& router_)
      : shared_message_processor(router_)
    {
    }

    void receive(etl::shared_message message)
    {
      uint32_t count1 = message.get_reference_count();

      smqueue.push(message);

      uint32_t count2 = message.get_reference_count();
    }

    void receive(etl::imessage_router& source, etl::shared_message message)
    {
    }

    void Process()
    {
      get_router().receive(smqueue.front().get_message());
      smqueue.pop();
    }

    etl::queue<etl::shared_message, 10> smqueue;
  };

  Router    router;
  Processor processor(router);

  SUITE(test_shared_message)
  {
    constexpr size_t POOL_SIZE = 2;

    etl::variant_pool<POOL_SIZE, Message1> vpool;

    etl::message_pool mp(vpool);

    //*************************************************************************
    TEST(test_buffered)
    {     
      etl::message_pool& mpool = mp;

      {
        etl::shared_message* pbuffered_sm = nullptr;

        {
          etl::shared_message sm(mpool, *mpool.create<Message1>());
          uint32_t count1 = sm.get_reference_count();

          processor.receive(sm);

          uint32_t count1b = sm.get_reference_count();

          processor.Process();

          uint32_t count1c = sm.get_reference_count();

          pbuffered_sm = new etl::shared_message(sm);
          //uint32_t count2 = sm.get_reference_count();
          //uint32_t count3 = pbuffered_sm->get_reference_count();

          etl::shared_message sm2 = etl::shared_message(mpool, *mpool.create<Message1>());
          uint32_t count4 = sm2.get_reference_count();

          pbuffered_sm = pbuffered_sm;
        }

        size_t ps1 = vpool.size();

        //{
        //  uint32_t count = pbuffered_sm->get_reference_count();
        //  etl::message_id_t id = pbuffered_sm->get_message().get_message_id();
        //}

        size_t ps2 = vpool.size();

        delete pbuffered_sm;
      }

      size_t ps3 = vpool.size();

      vpool.size();
    }
  }

  ////*************************************************************************
  //TEST(test_construct_and_destruct)
  //{
  //  etl::pool<Message1, 2> pool;
  //  etl::pool_chain<1> pool_chain;

  //  pool_chain.add(pool);

  //  etl::shared_message buffered_sm(pool_chain);

  //  {
  //    etl::shared_message sm1(pool_chain, pool.create());
  //    CHECK_EQUAL(1, sm1.get_reference_count());
  //    CHECK_EQUAL(1, pool.size());
  //    {
  //      etl::shared_message sm2(sm1);
  //      CHECK_EQUAL(1, sm1.get_reference_count());
  //      CHECK_EQUAL(2, sm2.get_reference_count());
  //      CHECK_EQUAL(1, pool.size());
  //      {
  //        etl::shared_message sm3(pool_chain);
  //        sm3 = sm2;
  //        CHECK_EQUAL(1, sm1.get_reference_count());
  //        CHECK_EQUAL(2, sm2.get_reference_count());
  //        CHECK_EQUAL(3, sm3.get_reference_count());
  //        CHECK_EQUAL(1, pool.size());

  //      }
  //      CHECK_EQUAL(1, pool.size());
  //    }
  //    CHECK_EQUAL(1, pool.size());
  //  }
  //  CHECK_EQUAL(0, pool.size());
  //}

}