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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/gregorian/gregorian.hpp"
#include "boost/date_time/testfrmwk.hpp"
#include <iostream>
void test_date_duration()
{
using namespace boost::gregorian;
date_duration threeDays(3);
date_duration twoDays(2);
//date_duration zeroDays(0);
check("Self equal case", threeDays == threeDays);
check("Not equal case", !(threeDays == twoDays));
check("Less case succeed", twoDays < threeDays);
check("Not less case", !(threeDays < twoDays));
check("Not less case - equal", !(threeDays < threeDays));
check("Greater than ", !(threeDays > threeDays));
check("Greater equal ", threeDays >= threeDays);
check("Greater equal - false", !(twoDays >= threeDays));
check("add", twoDays + threeDays == date_duration(5));
date_duration fiveDays = threeDays;
fiveDays += twoDays;
check("add", fiveDays == date_duration(5));
date_duration tenDays = fiveDays;
tenDays += date_duration(5);
check("add", tenDays.days() == 10);
date_duration derivedOneDay = threeDays - twoDays;
check("Subtraction - neg result", twoDays - threeDays == date_duration(-1));
date_duration oneDay(1);
check("Subtraction", oneDay == derivedOneDay);
date_duration fiveDaysDerived = tenDays;
fiveDaysDerived -= fiveDays;
check("Subtraction", fiveDaysDerived == fiveDays);
oneDay = twoDays / 2;
check("Division", oneDay.days() == 1);
date_duration oneDayDivide = threeDays / 2;
check("Division", oneDayDivide.days() == 1);
date_duration hundred(100);
hundred /= -10;
check("Division", hundred.days() == -10 && hundred.is_negative());
date_duration pos_dur(123);
date_duration neg_dur(-pos_dur);
check("unary-", neg_dur.days() == -123);
// special values tests
date_duration pi_dur(pos_infin);
date_duration ni_dur(neg_infin);
date_duration nd_dur(not_a_date_time);
check("pos_inf + neg_inf", (pi_dur + ni_dur) == nd_dur);
//check("inf * integer", (pi_dur * 2) == pi_dur); // not implemented
check("neg_inf / integer", (ni_dur / 3) == ni_dur);
check("inf + dur", (pi_dur + hundred) == pi_dur);
check("unary-", date_duration(-pi_dur) == ni_dur);
// date_duration dd(1);
// dd++;
// check("Increment", dd == twoDays);
}
int main() {
test_date_duration();
return printTestStats();
}
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