#include <boost/config.hpp>

#if defined(BOOST_MSVC)

#pragma warning(disable: 4786)  // identifier truncated in debug info

#pragma warning(disable: 4710)  // function not inlined

#pragma warning(disable: 4711)  // function selected for automatic inline expansion

#pragma warning(disable: 4514)  // unreferenced inline removed

#endif

//

//  weak_ptr_timing_test.cpp

//

//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.

//  Copyright 2005 Peter Dimov

//

// 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)

//

/*

 * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.

*/

#include <boost/shared_ptr.hpp>

#include <boost/weak_ptr.hpp>

#include <vector>

#include <cstdio>

#include <ctime>

#include <cstdlib>

#ifdef __SYMBIAN32__

#include "std_log_result.h"

#define LOG_FILENAME_LINE __FILE__, __LINE__

#endif

//

int const n = 29000;

int const k = 2048;

void test( std::vector< boost::shared_ptr<int> > & v )

{

    using namespace std; // printf, rand

    std::vector< boost::weak_ptr<int> > w( v.begin(), v.end() );

    int s = 0, r = 0;

    for( int i = 0; i < n; ++i )

    {

        // randomly kill a pointer

        v[ rand() % k ].reset();

        for( int j = 0; j < k; ++j )

        {

            if( boost::shared_ptr<int> px = w[ j ].lock() )

            {

                ++s;

            }

            else

            {

                ++r;

                w[ j ] = v[ rand() % k ];

            }

        }

    }

    printf( "\n%d locks, %d rebinds.", s, r );

}

int main()

{

	std_log(LOG_FILENAME_LINE,"[Test Case for weak_ptr_timing_test]");

    using namespace std; // printf, clock_t, clock

    std::vector< boost::shared_ptr<int> > v( k );

    for( int i = 0; i < k; ++i )

    {

        v[ i ].reset( new int( 0 ) );

    }

    clock_t t = clock();

    test( v );

    t = clock() - t;

    printf( "\n\n%.3f seconds.\n", static_cast<double>( t ) / CLK_TCK );

#ifdef __SYMBIAN32__

	std_log(LOG_FILENAME_LINE,"Result : Passed");

	std_log(LOG_FILENAME_LINE,"[End Test Case ]");

#endif

	testResultXml("weak_ptr_timing_test");

	close_log_file();

    return 0;

}