interprocess/test/deque_test.cpp

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztañaga 2004-2006. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/detail/workaround.hpp>

#include <algorithm>
#include <memory>
#include <deque>
#include <iostream>
#include <functional>

#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/containers/deque.hpp>
#include <boost/interprocess/indexes/flat_map_index.hpp>
#include "print_container.hpp"
#include "check_equal_containers.hpp"
#include "dummy_test_allocator.hpp"
#include "movable_int.hpp"
#include <boost/interprocess/allocators/allocator.hpp>
#include "allocator_v1.hpp"
#include <boost/interprocess/exceptions.hpp>
#include <boost/interprocess/detail/move_iterator.hpp>
#include <boost/interprocess/detail/move.hpp>

//***************************************************************//
//                                                               //
//  This example repeats the same operations with std::deque and //
//  shmem_deque using the node allocator                         //
//  and compares the values of both containers                   //
//                                                               //
//***************************************************************//

using namespace boost::interprocess;

//Explicit instantiation to detect compilation errors
template class boost::interprocess::deque<test::movable_and_copyable_int, 
   test::dummy_test_allocator<test::movable_and_copyable_int> >;

//Function to check if both sets are equal
template<class V1, class V2>
bool copyable_only(V1 *shmdeque, V2 *stddeque, boost::false_type)
{
   return true;
}

//Function to check if both sets are equal
template<class V1, class V2>
bool copyable_only(V1 *shmdeque, V2 *stddeque, boost::true_type)
{
   typedef typename V1::value_type IntType;
   std::size_t size = shmdeque->size();
   stddeque->insert(stddeque->end(), 50, 1);
   shmdeque->insert(shmdeque->end(), 50, 1);
   if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;
   {
   IntType move_me(1);
   stddeque->insert(stddeque->begin()+size/2, 50, 1);
   shmdeque->insert(shmdeque->begin()+size/2, 50, move(move_me));
   if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;
   }
   {
   IntType move_me(2);
   shmdeque->assign(shmdeque->size()/2, move(move_me));
   stddeque->assign(stddeque->size()/2, 2);
   if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;
   }
   return true;
}

template<class IntType, template<class T, class SegmentManager> class AllocatorType >
bool do_test()
{
   //Customize managed_shared_memory class
   typedef basic_managed_shared_memory
      <char,
      simple_seq_fit<mutex_family>,
      flat_map_index
      > my_managed_shared_memory;

   //Alias AllocatorType type
   typedef AllocatorType<IntType, my_managed_shared_memory::segment_manager>
      shmem_allocator_t;

   //Alias deque types
   typedef deque<IntType, shmem_allocator_t>   MyShmDeque;
   typedef std::deque<int>                     MyStdDeque;
   const int Memsize = 65536;
   const char *const shMemName = "MySharedMemory";
   const int max = 100;

   shared_memory_object::remove(shMemName);

   //Create shared memory
   my_managed_shared_memory segment(create_only, shMemName, Memsize);

   segment.reserve_named_objects(100);

   //Shared memory allocator must be always be initialized
   //since it has no default constructor
   MyShmDeque *shmdeque = segment.template construct<MyShmDeque>("MyShmDeque")
                           (segment.get_segment_manager());

   MyStdDeque *stddeque = new MyStdDeque;

   try{
      //Compare several shared memory deque operations with std::deque
      int i;
      for(i = 0; i < max; ++i){
         IntType move_me(i);
         shmdeque->insert(shmdeque->end(), move(move_me));
         stddeque->insert(stddeque->end(), i);
      }
      if(!test::CheckEqualContainers(shmdeque, stddeque)) return 1;

      typename MyShmDeque::iterator it;
      typename MyShmDeque::const_iterator cit = it;

      shmdeque->erase(shmdeque->begin()++);
      stddeque->erase(stddeque->begin()++);
      if(!test::CheckEqualContainers(shmdeque, stddeque)) return 1;

      shmdeque->erase(shmdeque->begin());
      stddeque->erase(stddeque->begin());
      if(!test::CheckEqualContainers(shmdeque, stddeque)) return 1;

      {
         //Initialize values
         IntType aux_vect[50];
         for(int i = 0; i < 50; ++i){
            IntType move_me (-1);
            aux_vect[i] = move(move_me);
         }
         int aux_vect2[50];
         for(int i = 0; i < 50; ++i){
            aux_vect2[i] = -1;
         }

         shmdeque->insert(shmdeque->end()
                           ,detail::make_move_iterator(&aux_vect[0])
                           ,detail::make_move_iterator(aux_vect + 50));
         stddeque->insert(stddeque->end(), aux_vect2, aux_vect2 + 50);
         if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;

         for(int i = 0, j = static_cast<int>(shmdeque->size()); i < j; ++i){
            shmdeque->erase(shmdeque->begin());
            stddeque->erase(stddeque->begin());
         }
         if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;
      }
      {
         IntType aux_vect[50];
         for(int i = 0; i < 50; ++i){
            IntType move_me(-1);
            aux_vect[i] = move(move_me);
         }
         int aux_vect2[50];
         for(int i = 0; i < 50; ++i){
            aux_vect2[i] = -1;
         }
         shmdeque->insert(shmdeque->begin()
                           ,detail::make_move_iterator(&aux_vect[0])
                           ,detail::make_move_iterator(aux_vect + 50));
         stddeque->insert(stddeque->begin(), aux_vect2, aux_vect2 + 50);
         if(!test::CheckEqualContainers(shmdeque, stddeque)) return false;
      }

      if(!copyable_only(shmdeque, stddeque
                     ,boost::integral_constant
                     <bool, !is_movable<IntType>::value>())){
         return false;
      }

      shmdeque->erase(shmdeque->begin());
      stddeque->erase(stddeque->begin());

      if(!test::CheckEqualContainers(shmdeque, stddeque)) return 1;

      for(i = 0; i < max; ++i){
         IntType move_me(i);
         shmdeque->insert(shmdeque->begin(), move(move_me));
         stddeque->insert(stddeque->begin(), i);
      }
      if(!test::CheckEqualContainers(shmdeque, stddeque)) return 1;

      segment.template destroy<MyShmDeque>("MyShmDeque");
      delete stddeque;
   }
   catch(std::exception &ex){
      std::cout << ex.what() << std::endl;
      return false;
   }
   
   std::cout << std::endl << "Test OK!" << std::endl;
   return true;

   return 0;
}

int main ()
{
   if(!do_test<int, allocator>())
      return 1;

   if(!do_test<test::movable_int, allocator>())
      return 1;

   if(!do_test<int, test::allocator_v1>())
      return 1;

   return 0;
}


#include <boost/interprocess/detail/config_end.hpp>