libcxx/test/std/time/time.duration/time.duration.nonmember/op_+.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <chrono>
  10
  11 // duration
  12
  13 // template <class Rep1, class Period1, class Rep2, class Period2>
  14 //   typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
  15 //   operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
  16
  17 #include <chrono>
  18 #include <cassert>
  19 #include <ratio>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  24 {
  25     {
  26     std::chrono::seconds s1(3);
  27     std::chrono::seconds s2(5);
  28     std::chrono::seconds r = s1 + s2;
  29     assert(r.count() == 8);
  30     }
  31     {
  32     std::chrono::seconds s1(3);
  33     std::chrono::microseconds s2(5);
  34     std::chrono::microseconds r = s1 + s2;
  35     assert(r.count() == 3000005);
  36     }
  37     {
  38     std::chrono::duration<int, std::ratio<2, 3> > s1(3);
  39     std::chrono::duration<int, std::ratio<3, 5> > s2(5);
  40     std::chrono::duration<int, std::ratio<1, 15> > r = s1 + s2;
  41     assert(r.count() == 75);
  42     }
  43     {
  44     std::chrono::duration<int, std::ratio<2, 3> > s1(3);
  45     std::chrono::duration<double, std::ratio<3, 5> > s2(5);
  46     std::chrono::duration<double, std::ratio<1, 15> > r = s1 + s2;
  47     assert(r.count() == 75);
  48     }
  49 #if TEST_STD_VER >= 11
  50     {
  51     constexpr std::chrono::seconds s1(3);
  52     constexpr std::chrono::seconds s2(5);
  53     constexpr std::chrono::seconds r = s1 + s2;
  54     static_assert(r.count() == 8, "");
  55     }
  56     {
  57     constexpr std::chrono::seconds s1(3);
  58     constexpr std::chrono::microseconds s2(5);
  59     constexpr std::chrono::microseconds r = s1 + s2;
  60     static_assert(r.count() == 3000005, "");
  61     }
  62     {
  63     constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(3);
  64     constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);
  65     constexpr std::chrono::duration<int, std::ratio<1, 15> > r = s1 + s2;
  66     static_assert(r.count() == 75, "");
  67     }
  68     {
  69     constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(3);
  70     constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);
  71     constexpr std::chrono::duration<double, std::ratio<1, 15> > r = s1 + s2;
  72     static_assert(r.count() == 75, "");
  73     }
  74 #endif
  75
  76   return 0;
  77 }