libcxx/test/std/time/time.clock/time.clock.hires/now.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 // high_resolution_clock
  12
  13 // static time_point now();
  14
  15 #include <chrono>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19
  20 int main(int, char**)
  21 {
  22     typedef std::chrono::high_resolution_clock C;
  23     C::time_point t1 = C::now();
  24     assert(t1.time_since_epoch().count() != 0);
  25     assert(C::time_point::min() < t1);
  26     assert(C::time_point::max() > t1);
  27
  28   return 0;
  29 }