date_time/test/testwrapping_int.cpp

139 lines
5.3 KiB
C++

/* Copyright (c) 2002,2003,2005 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/wrapping_int.hpp"
//#define BOOST_INCLUDE_MAIN
//#include <boost/test/test_tools.hpp>
#include "testfrmwk.hpp"
#include "boost/cstdint.hpp"
#include <iostream>
int
main()
// int
// test_main(int, char*[])
{
using namespace boost::date_time;
wrapping_int<int, 3600> wi(3599);
check("construction/conversion", wi == 3599);
check("add with wrap", wi.add(1) == 1);
check("added value ok", wi == 0);
check("add with 2 wraps", wi.add(7201) == 2);
check("added value ok", wi == 1);
check("add with 3 wraps", wi.add(10800) == 3);
check("added value ok", wi == 1);
check("subtract no wrap", wi.subtract(1) == 0);
check("subtract val ok", wi == 0);
check("subtract no wrap", wi.subtract(3601) == 2);
check("subtract val ok", wi == 3599);
check("add again", (wi.add(2) == 1) && (wi == 1));
check("subtract again", (wi.subtract(2) == 1) && (wi == 3599));
check("add again", (wi.add(2) == 1) && (wi == 1));
check("subtract again", (wi.subtract(3600) == 1) && (wi == 1));
check("subtract again", (wi.subtract(3599) == 1) && (wi == 2));
check("subtract again", (wi.subtract(1) == 0) && (wi == 1));
std::cout << wi << std::endl;
wrapping_int<short, 60> wi2(0);
check("add with wrap - return", wi2.add(121) == 2);
check("add with wrap - value", wi2 == 1);
wrapping_int<short, 60> wi3(-5);
check("signed int - add return", wi3.add(5) == 0);
check("signed int - value", wi3 == 0);
{ // subtracting negative values
wrapping_int<short, 10> wi4(5);
check("subtract negative value to cause wrap",
(wi4.subtract(-8) == -1 && wi4 == 3));
check("reset", wi4.add(2) == 0 && wi4 ==5);
check("add negative value to cause wrap",
(wi4.add(-8) == -1 && wi4 == 7));
}
wrapping_int2<short, 1, 5> wi4(1);
check("construct", wi4 == 1);
check("add up to wrap value", (wi4.add(4) == 0 && wi4 == 5));
check("add over the wrap value", (wi4.add(1) == 1 && wi4 == 1));
check("add over the wrap value X 2", (wi4.add(10) == 2 && wi4 == 1));
check("add over the wrap value X 3", (wi4.add(15) == 3 && wi4 == 1));
wrapping_int2<short, 1, 12> wi5(12);
check("construct", wi5 == 12);
check("add over the wrap value", (wi5.add(1) == 1 && wi5 == 1));
check("subtract of the wrap value", (wi5.subtract(1) == -1 && wi5 == 12));
check("subtract of the wrap value", (wi5.subtract(13) == -1 && wi5 == 11));
// min_values other than 1
wrapping_int2<short, 2, 6> wi6(2);
check("construct", wi6 == 2);
check("add up to wrap value", (wi6.add(4) == 0 && wi6 == 6));
check("add over the wrap value", (wi6.add(1) == 1 && wi6 == 2));
check("add over the wrap value X 2", wi6.add(11) == 2);
check("add over the wrap value X 2", wi6 == 3);
check("sub down to wrap value", wi6.subtract(1) == 0 && wi6 == 2);
check("sub under the wrap value", wi6.subtract(1) == -1 && wi6 == 6);
check("sub under the wrap value X 2", wi6.subtract(11) == -2 && wi6 == 5);
//std::cout << wi6 << std::endl;
// adding & subtracting negative values
wrapping_int2<short, 1, 12> wi7(6);
wrapping_int2<short, -5, 5> wi8(0);
check("add negative value", (wi7.add(-2) == 0 && wi7 == 4));
check("add negative value", (wi8.add(-2) == 0 && wi8 == -2));
check("add negative value to cause single wrap",
(wi7.add(-6) == -1 && wi7 == 10));
check("add negative value to cause single wrap",
(wi8.add(-5) == -1 && wi8 == 4));
check("add negative value to cause multiple wrap",
(wi7.add(-22) == -2 && wi7 == 12));
check("add negative value to cause multiple wrap",
(wi8.add(-22) == -2 && wi8 == 4));
// reset values to mid range
wi7.subtract(6);
check("reset", wi7 == 6);
wi8.subtract(4);
check("reset", wi8 == 0);
check("subtract negative value", (wi7.subtract(-2) == 0 && wi7 == 8));
check("subtract negative value", (wi8.subtract(-2) == 0 && wi8 == 2));
check("subtract negative value to cause single wrap",
(wi7.subtract(-6) == 1 && wi7 == 2));
check("subtract negative value to cause single wrap",
(wi8.subtract(-5) == 1 && wi8 == -4));
check("subtract negative value to cause multiple wrap",
(wi7.subtract(-23) == 2 && wi7 == 1));
check("subtract negative value to cause multiple wrap",
(wi8.subtract(-22) == 2 && wi8 == -4));
// #ifdef BOOST_HAS_LONG_LONG
// wrapping_int<boost::int64_t, 86400*100000LL> wi4(0);
// check("construction/conversion", wi4 == 0);
// boost::int64_t off2 = 372300000;
// boost::int64_t wrap = 86400LL*100000LL;
// boost::int64_t wrap2 = 86400000000;
// wrapping_int<boost::int64_t,86400000000LL> wi5((3600*1 + 60*2 + 3)*100000);
// std::cout << wi5 << std::endl;
// boost::int64_t over = wi4.add(off2);
// std::cout << over << std::endl;
// std::cout << wrap << std::endl;
// std::cout << wrap2 << std::endl;
// // check("construction/conversion", wi4 == 0);
// #endif
// wrapping_int<int, 60> wi(121);
// check("construction/conversion", wi == 121);
// check("add with wrap", wi.add(1) == 1);
return printTestStats();
}