op_+.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <chrono>
11
12// duration
13
14// template <class Rep1, class Period1, class Rep2, class Period2>
15//   typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
16//   operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
17
18#include <chrono>
19#include <cassert>
20
21int main()
22{
23    {
24    std::chrono::seconds s1(3);
25    std::chrono::seconds s2(5);
26    std::chrono::seconds r = s1 + s2;
27    assert(r.count() == 8);
28    }
29    {
30    std::chrono::seconds s1(3);
31    std::chrono::microseconds s2(5);
32    std::chrono::microseconds r = s1 + s2;
33    assert(r.count() == 3000005);
34    }
35    {
36    std::chrono::duration<int, std::ratio<2, 3> > s1(3);
37    std::chrono::duration<int, std::ratio<3, 5> > s2(5);
38    std::chrono::duration<int, std::ratio<1, 15> > r = s1 + s2;
39    assert(r.count() == 75);
40    }
41    {
42    std::chrono::duration<int, std::ratio<2, 3> > s1(3);
43    std::chrono::duration<double, std::ratio<3, 5> > s2(5);
44    std::chrono::duration<double, std::ratio<1, 15> > r = s1 + s2;
45    assert(r.count() == 75);
46    }
47}
48