libcxx/test/std/time/time.duration/time.duration.nonmember/op_mod_duration.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 //   constexpr
  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 #include <ratio>
  21 #include "../../rep.h"
  22
  23 #include "test_macros.h"
  24
  25 int main(int, char**)
  26 {
  27     {
  28     std::chrono::nanoseconds ns1(15);
  29     std::chrono::nanoseconds ns2(6);
  30     std::chrono::nanoseconds r = ns1 % ns2;
  31     assert(r.count() == 3);
  32     }
  33     {
  34     std::chrono::microseconds us1(15);
  35     std::chrono::nanoseconds ns2(28);
  36     std::chrono::nanoseconds r = us1 % ns2;
  37     assert(r.count() == 20);
  38     }
  39     {
  40     std::chrono::duration<int, std::ratio<3, 5> > s1(6);
  41     std::chrono::duration<int, std::ratio<2, 3> > s2(3);
  42     std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
  43     assert(r.count() == 24);
  44     }
  45 #if TEST_STD_VER >= 11
  46     {
  47     constexpr std::chrono::nanoseconds ns1(15);
  48     constexpr std::chrono::nanoseconds ns2(6);
  49     constexpr std::chrono::nanoseconds r = ns1 % ns2;
  50     static_assert(r.count() == 3, "");
  51     }
  52     {
  53     constexpr std::chrono::microseconds us1(15);
  54     constexpr std::chrono::nanoseconds ns2(28);
  55     constexpr std::chrono::nanoseconds r = us1 % ns2;
  56     static_assert(r.count() == 20, "");
  57     }
  58     {
  59     constexpr std::chrono::duration<int, std::ratio<3, 5> > s1(6);
  60     constexpr std::chrono::duration<int, std::ratio<2, 3> > s2(3);
  61     constexpr std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
  62     static_assert(r.count() == 24, "");
  63     }
  64     {
  65       std::chrono::duration<int> d(5);
  66       RepConstConvertibleLWG3050 x;
  67
  68       {
  69         auto r = d % x;
  70         assert(r.count() == 1);
  71         ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));
  72       }
  73     }
  74 #endif // TEST_STD_VER >= 11
  75
  76     return 0;
  77 }