bool erase_one(data_buffer& buffer, index123_type& index123)
{
size_t buffer_size = std::distance(buffer.begin(), buffer.end());
data_pointer ptr = buffer.begin() + (buffer_size > 0 ? rand()%buffer_size : 0);
offset_t offset = ptr.get_offset();
auto lower = index123.lower_bound(offset);
auto upper = index123.upper_bound(offset);
if (std::distance(lower,upper)!=1 )
{
std::cout << ptr->data1 << "," << ptr->data2 << ", " << ptr->data3 << std::endl;
std::cout << "std::distance(lower,upper): " << std::distance(lower,upper) << std::endl;
return false;
}
index123.erase( offset );
buffer.deallocate(ptr, 1);
size_t buffer_size2 = std::distance(buffer.begin(), buffer.end());
if ( (buffer_size - buffer_size2) != 1)
{
std::cout << "Buffer size check failed - " << (buffer_size-1) << "!=" << buffer_size2 << std::endl;
return false;
}
return true;
}
bool erase_begin(data_buffer& buffer, index123_type& index123)
{
data_pointer ptr = buffer.begin();
auto itr = index123.find( ptr.get_offset() /*static_cast<offset_t>( static_cast<size_t>(ptr) )*/);
index123.erase(itr);
buffer.deallocate(ptr, 1);
return true;
}
bool check(data_buffer& buffer, index123_type& index123)
{
size_t buffer_size = std::distance(buffer.begin(), buffer.end());
size_t buffer2_size = buffer.count();
size_t index_size = index123.size();
size_t index2_size = std::distance(index123.begin(), index123.end());
bool size_check_fail = (buffer_size != index_size || buffer2_size != index2_size || buffer2_size != index_size);
if ( size_check_fail )
{
std::cout << std::endl << "buffer/index size check failed!" << std::endl;
std::cout << "buffer_size " << buffer_size << std::endl;
std::cout << "index_size " << index_size << std::endl;
return false;
}
if ( index123.size() < 2 )
{
return true;
}
cmp123 cmp(buffer);
index123_type::iterator itr1 = index123.begin();
index123_type::iterator itr2 = itr1 + 1;
for ( ;itr2!=index123.end(); ++itr1, ++itr2)
{
if ( cmp(*itr1, *itr2) )
{
continue;
}
if ( !cmp(*itr2, *itr1) )
{
continue;
}
std::cout << std::endl << "comparator failed!" << std::endl;
return false;
}
return true;
}