libcxx/test/std/time/time.duration/time.duration.arithmetic/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 // duration& operator%=(const duration& rhs)
  14
  15 #include <chrono>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "../../rep.h"
  20
  21 #if TEST_STD_VER > 14
  22 constexpr bool test_constexpr()
  23 {
  24     std::chrono::microseconds us1(11);
  25     std::chrono::microseconds us2(3);
  26     us1 %= us2;
  27     return us1.count() == 2;
  28 }
  29 #endif
  30
  31 int main(int, char**)
  32 {
  33     {
  34     std::chrono::microseconds us1(11);
  35     std::chrono::microseconds us2(3);
  36     us1 %= us2;
  37     assert(us1.count() == 2);
  38     us1 %= std::chrono::milliseconds(3);
  39     assert(us1.count() == 2);
  40     }
  41
  42 #if TEST_STD_VER > 14
  43     static_assert(test_constexpr(), "");
  44 #endif
  45
  46 #if TEST_STD_VER >= 11
  47     { // This is PR#41130
  48     std::chrono::nanoseconds d(5);
  49     NotARep n;
  50     d %= n;
  51     assert(d.count() == 5);
  52     }
  53 #endif
  54
  55   return 0;
  56 }