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/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
* Use, modification and distribution is subject to the
* Boost Software License, Version 1.0. (See accompanying
* file LICENSE-1.0 or http://www.boost.org/LICENSE-1.0)
* Author: Jeff Garland, Bart Garst
*/
#include "boost/date_time/int_adapter.hpp"
#include "boost/date_time/testfrmwk.hpp"
#include "boost/cstdint.hpp"
#include <iostream>
#include <sstream>
template<typename int_type>
void print()
{
//MSVC 6 has problems with this, but it's not really important
//so we will just skip them....
#if (defined(BOOST_DATE_TIME_NO_LOCALE)) || (defined(BOOST_MSVC) && (_MSC_VER < 1300))
#else
std::cout << "min: " << (int_type::min)().as_number() << std::endl;
std::cout << "max: " << (int_type::max)().as_number() << std::endl;
std::cout << "neg_infin: " <<
int_type::neg_infinity().as_number() << std::endl;
std::cout << "pos_infin: " <<
int_type::pos_infinity().as_number() << std::endl;
std::cout << "not a number: " <<
int_type::not_a_number().as_number() << std::endl;
std::stringstream ss("");
std::string s("");
int_type i = int_type::neg_infinity();
ss << i;
s = "-infinity";
check("streaming -infinity", ss.str() == s);
i = int_type::pos_infinity();
ss.str("");
ss << i;
s = "+infinity";
check("streaming +infinity", ss.str() == s);
i = int_type::not_a_number();
ss.str("");
ss << i;
s = "not-a-number";
check("streaming nan", ss.str() == s);
i = 12;
ss.str("");
ss << i;
s = "12";
check("streaming digits", ss.str() == s);
#endif
}
template<typename int_type>
void test_int()
{
int_type i = int_type::neg_infinity();
check("is infinity", i.is_infinity());
check("is special_value (neg_inf)", i.is_special());
check("as_special convert", boost::date_time::neg_infin == i.as_special() );
check("as_special convert", boost::date_time::neg_infin == int_type::to_special(i.as_number()) );
int_type h = int_type::neg_infinity();
i = int_type::pos_infinity();
check("is infinity", i.is_infinity());
check("as_special convert", boost::date_time::pos_infin == i.as_special() );
check("infinity less", h < i);
check("infinity less", h < 0);
check("infinity greater", i > h);
check("infinity greater", i > 0);
h = int_type::not_a_number();
check("nan less", !(h < 0));
check("nan greater", !(h > 0));
check("nan equal", h == int_type::not_a_number());
i = 1;
check("is infinity", !i.is_infinity());
int_type j = int_type::neg_infinity();
check("infinity less", j < i);
check("infinity less", !(j < j));
check("infinity greater", (i > j));
check("infinity equal", !(j == i));
check("infinity equal", j == j);
check("infinity equal", !(j == 0));
check("infinity not equal", j != 0);
int_type k = 1;
check("as_special convert", boost::date_time::not_special == k.as_special() );
check("equal", i == k);
check("infinity not equal", i != int_type::neg_infinity());
check("infinity not equal", i != int_type::pos_infinity());
int_type l = i + int_type::pos_infinity();
check("is special_value (pos_inf)", l.is_special());
check("add infinity" , l == int_type::pos_infinity());
{ // limiting the scope for these tests was easier than recalculating l
int_type l = i - int_type::pos_infinity();
check("value - +infinity", l == int_type::neg_infinity());
l = i + int_type::neg_infinity();
check("value + -infinity", l == int_type::neg_infinity());
}
check("inf - inf = nan", (l - l) == int_type::not_a_number());
check("-inf + inf = nan", (j + l) == int_type::not_a_number());
check("add 2", (i + 2) == 3);
i = int_type::not_a_number();
check("+inf * integer", (l * 2) == l);
check("+inf / integer", (l / 2) == l);
check("+inf % -integer", (l % -2) == j);
check("+inf % integer", (l % 2) == l);
check("+inf / -integer", (l / -2) == j);
check("+inf * -integer", (l * -2) == j);
check("+inf * -inf", (l * j) == j);
check("+inf / +inf", (l / l) == i);
check("+inf % +inf", (l % l) == i);
check("+inf * zero", (l * 0) == i);
check("is special_value (nan)", i.is_special());
check("as_special convert", boost::date_time::not_a_date_time == i.as_special() );
check("add not a number", (i + 2) == int_type::not_a_number());
check("sub not a number", (i - 2) == int_type::not_a_number());
check("sub from infin", (l - 2) == int_type::pos_infinity());
i = 5;
h = 3;
check("add zero ", (i + 0) == 5);
check("sub from 5-2 ", (i - 2) == 3);
check("remainder from 5/2 ", (i % 2) == 1);
check("remainder from 5/3 ", (i % h) == 2);
// std::cout << i.as_number() << std::endl;
check("from special ",
int_type::from_special(boost::date_time::pos_infin) == int_type::pos_infinity());
check("from special ",
int_type::from_special(boost::date_time::neg_infin) == int_type::neg_infinity());
check("from special ",
int_type::from_special(boost::date_time::not_a_date_time) == int_type::not_a_number());
check("from special ",
int_type::from_special(boost::date_time::min_date_time) == (int_type::min)());
check("from special ",
int_type::from_special(boost::date_time::max_date_time) == (int_type::max)());
}
int
main()
{
using namespace boost::date_time;
print< int_adapter<unsigned long> >();
test_int< int_adapter<unsigned long> >();
print< int_adapter<long> >();
test_int< int_adapter<long> >();
print< int_adapter<boost::int64_t> >();
test_int< int_adapter<boost::int64_t> >();
return printTestStats();
}
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