| /* 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.txt or http://www.boost.org/LICENSE_1_0.txt) |
| * Author: Jeff Garland, Bart Garst |
| */ |
| |
| #include "boost/date_time/int_adapter.hpp" |
| #include "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(); |
| |
| } |
| |