op_divide_duration.pass.cpp revision 473f838128bcf118ab50d08a65a83433ed1b015a 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. 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//   constexpr
16//   typename common_type<Rep1, Rep2>::type
17//   operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
18
19#include <chrono>
20#include <cassert>
21
22int main()
23{
24    {
25    std::chrono::nanoseconds ns1(15);
26    std::chrono::nanoseconds ns2(5);
27    assert(ns1 / ns2 == 3);
28    }
29    {
30    std::chrono::microseconds us1(15);
31    std::chrono::nanoseconds ns2(5);
32    assert(us1 / ns2 == 3000);
33    }
34    {
35    std::chrono::duration<int, std::ratio<2, 3> > s1(30);
36    std::chrono::duration<int, std::ratio<3, 5> > s2(5);
37    assert(s1 / s2 == 6);
38    }
39    {
40    std::chrono::duration<int, std::ratio<2, 3> > s1(30);
41    std::chrono::duration<double, std::ratio<3, 5> > s2(5);
42    assert(s1 / s2 == 20./3);
43    }
44#ifndef _LIBCPP_HAS_NO_CONSTEXPR
45    {
46    constexpr std::chrono::nanoseconds ns1(15);
47    constexpr std::chrono::nanoseconds ns2(5);
48    static_assert(ns1 / ns2 == 3, "");
49    }
50    {
51    constexpr std::chrono::microseconds us1(15);
52    constexpr std::chrono::nanoseconds ns2(5);
53    static_assert(us1 / ns2 == 3000, "");
54    }
55    {
56    constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
57    constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);
58    static_assert(s1 / s2 == 6, "");
59    }
60    {
61    constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
62    constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);
63    static_assert(s1 / s2 == 20./3, "");
64    }
65#endif
66}
67