#include "stdafx.h"

#include <crtdbg.h>
#include <iostream>
#include <boost/signal.hpp>
#include <boost/ref.hpp>

using namespace std;
using namespace boost;

struct Hello 
{
	Hello () 
	{ 
		cout << "Hello::Hello () @ " << this << endl; 
	}

	Hello (const Hello&) 
	{
		cout << "Hello::Hello (const ref) @ " << this << endl;
	}

	~Hello () 
	{ 
		cout << "Hello::~Hello @ " << this << endl; 
	}

	Hello& operator= (const Hello&) const 
	{
		cout << "Hello::operator= @ " << this << endl;
	}

	void operator () (int i) 
	{ 
		cout << "i = " << i << endl; 
	}
};

void copytest ()
{
	cout << "copy test:\n";

	Hello hello;
	cout << "\nbefore declaration:\n";
	boost::signal<void (int)> sig;
	cout << "\nafter declaration:\n";

	cout << "\nbefore connect:\n";
	sig.connect (hello);
	cout << "\nafter connect:\n";

	cout << "before sig send:\n";
	sig (1968);
	cout << "after sig send:\n";
}

void reftest ()
{
	cout << "ref test:\n";

	Hello hello;
	cout << "\nbefore declaration:\n";
	boost::signal<void (int)> sig;
	cout << "\nafter declaration:\n";

	cout << "\nbefore connect:\n";
	sig.connect (boost::ref (hello));
	cout << "\nafter connect:\n";

	cout << "\nbefore sig send:\n";
	sig (1968);
	cout << "\nafter sig send:\n";
}

/* ALLOCATION HOOK FUNCTION
-------------------------
An allocation hook function can have many, many different
uses. This one simply logs each allocation operation in a file.
*/
int __cdecl MyAllocHook(
						int      nAllocType,
						void   * pvData,
						size_t   nSize,
						int      nBlockUse,
						long     lRequest,
						const unsigned char * szFileName,
						int      nLine
						)
{
	char *operation[] = { "", "allocating", "re-allocating", "freeing" };
	char *blockType[] = { "Free", "Normal", "CRT", "Ignore", "Client" };

	if ( nBlockUse == _CRT_BLOCK )   // Ignore internal C runtime library allocations
	{
		return( true );
	}

	_ASSERT( ( nAllocType > 0 ) && ( nAllocType < 4 ) );
	_ASSERT( ( nBlockUse >= 0 ) && ( nBlockUse < 5 ) );

	printf( "Memory operation in %s, line %d: %s a %d-byte '%s' block (# %ld)\n",
		szFileName, nLine, operation[nAllocType], nSize, 
		blockType[nBlockUse], lRequest );
	if ( pvData != NULL )
		printf( " at %x", (int)pvData );

	return( true );         // Allow the memory operation to proceed
}

// make this a main() for stand alone
int copy_and_ref_test()
{
	//_CrtSetDumpClient( MyDumpClientHook );
	//_CrtSetReportHook( MyReportHook );

	_CrtSetAllocHook( MyAllocHook );
	copytest ();
	reftest ();
	return 0;
}