boost_smart_ptr/test/make_unique_args_test.cpp

/*
Copyright 2014 Glen Joseph Fernandes
(glenjofe@gmail.com)

Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/config.hpp>
#if !defined(BOOST_NO_CXX11_SMART_PTR)
#include <boost/core/lightweight_test.hpp>
#include <boost/smart_ptr/make_unique.hpp>

class type {
public:
    static unsigned instances;

    type(int v1 = 0,
         int v2 = 0,
         int v3 = 0,
         int v4 = 0,
         int v5 = 0,
         int v6 = 0,
         int v7 = 0,
         int v8 = 0,
         int v9 = 0)
        : sum_(v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9) {
        ++instances;
    }

    ~type() {
        --instances;
    }

    int sum() const {
        return sum_;
    }

private:
    int sum_;

    type(const type&);
    type& operator=(const type&);
};

unsigned type::instances = 0;

int main()
{
    BOOST_TEST(type::instances == 0);
    {
        std::unique_ptr<type> result = boost::make_unique<type>();
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 0);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
    {
        std::unique_ptr<type> result = boost::make_unique<type>(1);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result = boost::make_unique<type>(1, 2);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4, 5);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4 + 5);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4, 5, 6);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4 + 5 + 6);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4, 5, 6, 7);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4 + 5 + 6 + 7);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4, 5, 6, 7, 8);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }

    {
        std::unique_ptr<type> result =
            boost::make_unique<type>(1, 2, 3, 4, 5, 6, 7, 8, 9);
        BOOST_TEST(result.get() != 0);
        BOOST_TEST(type::instances == 1);
        BOOST_TEST(result->sum() == 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9);
        result.reset();
        BOOST_TEST(type::instances == 0);
    }
#endif
    return boost::report_errors();
}
#else
int main()
{
    return 0;
}
#endif