new_delete_tests.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 53 行

/*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman

    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)
==============================================================================*/
#include <iostream>
#include <vector>
#include <algorithm>
#include <boost/shared_ptr.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_object.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>

using namespace boost::phoenix;
using namespace boost::phoenix::arg_names;
using namespace std;

int n = 0;

struct X
{
    X(int, int, int) { cout << "new X(int, int, int)" << endl; ++n; }
    X() { cout << "new X" << endl; ++n; }
    ~X() { cout << "delete X" << endl; --n; }
};

int
main()
{
    {
        vector<X*> v(10);

        for_each(v.begin(), v.end(), arg1 = new_<X>());
        for_each(v.begin(), v.end(), delete_(arg1));

        for_each(v.begin(), v.end(), arg1 = new_<X>(1, 2, 3));
        for_each(v.begin(), v.end(), delete_(arg1));
    }

    {
        using boost::shared_ptr;
        vector<shared_ptr<X> > v(10);
        for_each(v.begin(), v.end(),
            arg1 = construct<shared_ptr<X> >(new_<X>())
        );
    }

    BOOST_TEST(n == 0);
    return boost::report_errors();
}