test/std/utilities/time/time.point/time.point.cons/default.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <chrono>
  11
  12 // time_point
  13
  14 // time_point();
  15
  16 #include <chrono>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20 #include "../../rep.h"
  21
  22 int main()
  23 {
  24     typedef std::chrono::system_clock Clock;
  25     typedef std::chrono::duration<Rep, std::milli> Duration;
  26     {
  27     std::chrono::time_point<Clock, Duration> t;
  28     assert(t.time_since_epoch() == Duration::zero());
  29     }
  30 #if TEST_STD_VER > 11
  31     {
  32     constexpr std::chrono::time_point<Clock, Duration> t;
  33     static_assert(t.time_since_epoch() == Duration::zero(), "");
  34     }
  35 #endif
  36 }