boost::streambuf简易测试

#include "stdafx.h"
#define BOOST_ENABLE_ASSERT_HANDLER
#include 
#include 
#include 
int _tmain(int argc, _TCHAR* argv[])
{
	boost::asio::streambuf sb;
	char buffer[] = "Hello,World!";
	size_t len = strlen(buffer);
	sb.prepare(sizeof(len));
	sb.sputn((const char*)&len, sizeof(len));
	sb.prepare(len);
	sb.sputn(buffer, len);

	len = boost::asio::buffer_size(sb.data());

	size_t getLen = 0;
	getLen = sb.size();
	sb.commit(sizeof(len));
	//sb.sgetn((char*)&getLen, sizeof(getLen));
	int* p = (int*)boost::asio::buffer_cast(sb.data());
	sb.consume(sizeof(getLen));

	p = (int*)boost::asio::buffer_cast(sb.data());
	getLen = sb.size();

	len = boost::asio::buffer_size(sb.data());
	BOOST_ASSERT(0);
	return 0;
}

void boost::assertion_failed(char const * expr,
					  char const * function, char const * file, long line) // user defined
{
	stringstream ss;
	ss<< expr << ", " << function << ", " << file << ", " << line << '\n' << ends;
	OutputDebugStringA(ss.str().c_str());
}