boost/libs/locale/test/test_ios_prop.cpp

//
//  Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
//  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 "test_locale.hpp"
#include "../src/shared/ios_prop.hpp"
#include <sstream>
#include <locale>

int counter=0;
int imbued=0;
struct propery {
    propery(int xx=-1) : x(xx) { counter ++; }
    propery(propery const &other) { counter++; x=other.x; }
    propery const &operator=(propery const &other) {
        x=other.x;
        return *this;
    };
    int x;
    void on_imbue() {imbued++; }
    ~propery() { counter--; }
};
typedef boost::locale::impl::ios_prop<propery> prop_type;

struct init {
    init() { prop_type::global_init(); }
};

int main()
{
    try {
        {
            std::stringstream ss;
            TEST(!prop_type::has(ss));
            TEST(prop_type::get(ss).x==-1);
            TEST(prop_type::has(ss));
            TEST(counter==1);
        }
        TEST(counter==0);
        {
            std::stringstream ss;
            prop_type::set(propery(1),ss);
            TEST(counter==1);
            TEST(prop_type::get(ss).x==1);
        }
        TEST(counter==0);
        {
            std::stringstream ss;
            prop_type::set(propery(1),ss);
            TEST(counter==1);
            TEST(prop_type::get(ss).x==1);
        }
        TEST(counter==0);
        {
            std::stringstream ss,ss2;
            prop_type::set(propery(2),ss);
            ss2.copyfmt(ss);
            TEST(prop_type::get(ss).x==2);
            TEST(prop_type::has(ss2));
            TEST(prop_type::has(ss));
            TEST(prop_type::get(ss2).x==2);
            prop_type::get(ss2).x=3;
            TEST(prop_type::get(ss2).x==3);
            TEST(prop_type::get(ss).x==2);
            TEST(counter==2);
            TEST(imbued==0);
            ss2.imbue(std::locale::classic());
            TEST(imbued==1);
        }
        TEST(counter==0);
    }catch(std::exception const &e) {
        std::cerr << "Fail:" << e.what() << std::endl;
        return EXIT_FAILURE;
    }
    FINALIZE();
    return 0;
}
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// boostinspect:noascii