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
  22 #include "test_macros.h"
  23
  24 int main(int, char**)
  25 {
  26     {
  27     std::chrono::nanoseconds ns1(15);
  28     std::chrono::nanoseconds ns2(6);
  29     std::chrono::nanoseconds r = ns1 % ns2;
  30     assert(r.count() == 3);
  31     }
  32     {
  33     std::chrono::microseconds us1(15);
  34     std::chrono::nanoseconds ns2(28);
  35     std::chrono::nanoseconds r = us1 % ns2;
  36     assert(r.count() == 20);
  37     }
  38     {
  39     std::chrono::duration<int, std::ratio<3, 5> > s1(6);
  40     std::chrono::duration<int, std::ratio<2, 3> > s2(3);
  41     std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
  42     assert(r.count() == 24);
  43     }
  44 #if TEST_STD_VER >= 11
  45     {
  46     constexpr std::chrono::nanoseconds ns1(15);
  47     constexpr std::chrono::nanoseconds ns2(6);
  48     constexpr std::chrono::nanoseconds r = ns1 % ns2;
  49     static_assert(r.count() == 3, "");
  50     }
  51     {
  52     constexpr std::chrono::microseconds us1(15);
  53     constexpr std::chrono::nanoseconds ns2(28);
  54     constexpr std::chrono::nanoseconds r = us1 % ns2;
  55     static_assert(r.count() == 20, "");
  56     }
  57     {
  58     constexpr std::chrono::duration<int, std::ratio<3, 5> > s1(6);
  59     constexpr std::chrono::duration<int, std::ratio<2, 3> > s2(3);
  60     constexpr std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
  61     static_assert(r.count() == 24, "");
  62     }
  63 #endif
  64
  65   return 0;
  66 }