libcxx/test/std/time/time.duration/time.duration.nonmember/op_divide_rep.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 Period, class Rep2>
  14 //   constexpr
  15 //   duration<typename common_type<Rep1, Rep2>::type, Period>
  16 //   operator/(const duration<Rep1, Period>& d, const Rep2& s);
  17
  18 #include <chrono>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22 #include "../../rep.h"
  23
  24 int main(int, char**)
  25 {
  26     {
  27     typedef std::chrono::nanoseconds Dur;
  28     Dur ns(15);
  29     ASSERT_SAME_TYPE(Dur, decltype(ns / 5));
  30     ns = ns / 5;
  31     assert(ns.count() == 3);
  32     }
  33 #if TEST_STD_VER >= 11
  34     {
  35     constexpr std::chrono::nanoseconds ns(15);
  36     constexpr std::chrono::nanoseconds ns2 = ns / 5;
  37     static_assert(ns2.count() == 3, "");
  38     }
  39 #endif
  40
  41 #if TEST_STD_VER >= 11
  42     { // This is PR#41130
  43     typedef std::chrono::nanoseconds Duration;
  44     Duration d(5);
  45     NotARep n;
  46     ASSERT_SAME_TYPE(Duration, decltype(d / n));
  47     d = d / n;
  48     assert(d.count() == 5);
  49     }
  50 #endif
  51
  52   return 0;
  53 }