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path: root/libs/chrono/test/duration/arithmetic_pass.cpp
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//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//  Adaptation to Boost of the libcxx
//  Copyright 2010 Vicente J. Botet Escriba
//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt

#include <boost/chrono/duration.hpp>

#include <boost/detail/lightweight_test.hpp>

int main()
{
    
    
    // UNARY PLUS
    {
        const boost::chrono::minutes m(3);
        boost::chrono::minutes m2 = +m;
        BOOST_TEST(m.count() == m2.count());
    }
    
    // UNARY MINUS
    {
        const boost::chrono::minutes m(3);
        boost::chrono::minutes m2 = -m;
        BOOST_TEST(m2.count() == -m.count());
    }
    // PRE INCREMENT
    {
        boost::chrono::hours h(3);
        boost::chrono::hours& href = ++h;
        BOOST_TEST(&href == &h);
        BOOST_TEST(h.count() == 4);
    }
    // POST INCREMENT
    {
        boost::chrono::hours h(3);
        boost::chrono::hours h2 = h++;
        BOOST_TEST(h.count() == 4);
        BOOST_TEST(h2.count() == 3);
    }
    // PRE DECREMENT
    {
        boost::chrono::hours h(3);
        boost::chrono::hours& href = --h;
        BOOST_TEST(&href == &h);
        BOOST_TEST(h.count() == 2);
    }
    // POST DECREMENT
    {
        boost::chrono::hours h(3);
        boost::chrono::hours h2 = h--;
        BOOST_TEST(h.count() == 2);
        BOOST_TEST(h2.count() == 3);
    }
    // PLUS ASSIGN
    {
        boost::chrono::seconds s(3);
        s += boost::chrono::seconds(2);
        BOOST_TEST(s.count() == 5);
        s += boost::chrono::minutes(2);
        BOOST_TEST(s.count() == 125);
    }
    // MINUS ASSIGN
    {
        boost::chrono::seconds s(3);
        s -= boost::chrono::seconds(2);
        BOOST_TEST(s.count() == 1);
        s -= boost::chrono::minutes(2);
        BOOST_TEST(s.count() == -119);
    }
    // TIMES ASSIGN    
    {
        boost::chrono::nanoseconds ns(3);
        ns *= 5;
        BOOST_TEST(ns.count() == 15);
    }
    // DIVIDE ASSIGN    
    {   
        boost::chrono::nanoseconds ns(15);
        ns /= 5;
        BOOST_TEST(ns.count() == 3);
    }
    // MODULUS ASSIGN duration    
    {
        boost::chrono::microseconds us(11);
        boost::chrono::microseconds us2(3);
        us %= us2;
        BOOST_TEST(us.count() == 2);
        us %= boost::chrono::milliseconds(3);
        BOOST_TEST(us.count() == 2);
    }
    // MODULUS ASSIGN Rep    
    {
        boost::chrono::microseconds us(11);
        us %= 3;
        BOOST_TEST(us.count() == 2);
    }
    // PLUS    
    {
        boost::chrono::seconds s1(3);
        boost::chrono::seconds s2(5);
        boost::chrono::seconds r = s1 + s2;
        BOOST_TEST(r.count() == 8);
    }
    {
        boost::chrono::seconds s1(3);
        boost::chrono::microseconds s2(5);
        boost::chrono::microseconds r = s1 + s2;
        BOOST_TEST(r.count() == 3000005);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(3);
        boost::chrono::duration<int, boost::ratio<3, 5> > s2(5);
        boost::chrono::duration<int, boost::ratio<1, 15> > r = s1 + s2;
        BOOST_TEST(r.count() == 75);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(3);
        boost::chrono::duration<double, boost::ratio<3, 5> > s2(5);
        boost::chrono::duration<double, boost::ratio<1, 15> > r = s1 + s2;
        BOOST_TEST(r.count() == 75);
    }
    
    
    // MINUS  
    {
        boost::chrono::seconds s1(3);
        boost::chrono::seconds s2(5);
        boost::chrono::seconds r = s1 - s2;
        BOOST_TEST(r.count() == -2);
    }
    {
        boost::chrono::seconds s1(3);
        boost::chrono::microseconds s2(5);
        boost::chrono::microseconds r = s1 - s2;
        BOOST_TEST(r.count() == 2999995);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(3);
        boost::chrono::duration<int, boost::ratio<3, 5> > s2(5);
        boost::chrono::duration<int, boost::ratio<1, 15> > r = s1 - s2;
        BOOST_TEST(r.count() == -15);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(3);
        boost::chrono::duration<double, boost::ratio<3, 5> > s2(5);
        boost::chrono::duration<double, boost::ratio<1, 15> > r = s1 - s2;
        BOOST_TEST(r.count() == -15);
    }
    
    // TIMES rep
    {
        boost::chrono::nanoseconds ns(3);
        ns = ns * 5;
        BOOST_TEST(ns.count() == 15);
        ns = 6 * ns;
        BOOST_TEST(ns.count() == 90);
    }
    
    // DIVIDE duration  
    {
        boost::chrono::nanoseconds ns1(15);
        boost::chrono::nanoseconds ns2(5);
        BOOST_TEST(ns1 / ns2 == 3);
    }
    {
        boost::chrono::microseconds us1(15);
        boost::chrono::nanoseconds ns2(5);
        BOOST_TEST(us1 / ns2 == 3000);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(30);
        boost::chrono::duration<int, boost::ratio<3, 5> > s2(5);
        BOOST_TEST(s1 / s2 == 6);
    }
    {
        boost::chrono::duration<int, boost::ratio<2, 3> > s1(30);
        boost::chrono::duration<double, boost::ratio<3, 5> > s2(5);
        BOOST_TEST(s1 / s2 == 20./3);
    }
    // DIVIDE rep    
    {
        boost::chrono::nanoseconds ns(15);
        ns = ns / 5;
        BOOST_TEST(ns.count() == 3);
    }

    // MODULUS duration    

    {
        boost::chrono::nanoseconds ns1(15);
        boost::chrono::nanoseconds ns2(6);
        boost::chrono::nanoseconds r = ns1 % ns2;
        BOOST_TEST(r.count() == 3);
    }
    {
        boost::chrono::microseconds us1(15);
        boost::chrono::nanoseconds ns2(28);
        boost::chrono::nanoseconds r = us1 % ns2;
        BOOST_TEST(r.count() == 20);
    }
    {
        boost::chrono::duration<int, boost::ratio<3, 5> > s1(6);
        boost::chrono::duration<int, boost::ratio<2, 3> > s2(3);
        boost::chrono::duration<int, boost::ratio<1, 15> > r = s1 % s2;
        BOOST_TEST(r.count() == 24);
    }
    // MODULUS rep    
    {
        boost::chrono::nanoseconds ns(15);
        ns = ns % 6;
        BOOST_TEST(ns.count() == 3);
    }
    
    return boost::report_errors();
}