1 //  chrono_unit_test.cpp  ----------------------------------------------------//
2 
3 //  Copyright 2008 Beman Dawes
4 
5 //  Distributed under the Boost Software License, Version 1.0.
6 //  See http://www.boost.org/LICENSE_1_0.txt
7 
8 #define _CRT_SECURE_NO_WARNINGS  // disable VC++ foolishness
9 
10 #include <boost/chrono/chrono.hpp>
11 #include <iostream>
12 
13 
main()14 int main()
15 {
16   boost::chrono::nanoseconds nanosecs;
17   boost::chrono::microseconds microsecs;
18   boost::chrono::milliseconds millisecs;
19   boost::chrono::seconds secs;
20   boost::chrono::minutes mins;
21   boost::chrono::hours hrs;
22 
23   std::time_t sys_time
24     = boost::chrono::system_clock::to_time_t(boost::chrono::system_clock::now());
25 
26   #ifdef UNDER_CE
27   // Windows CE does not define asctime()
28   struct tm * t = std::gmtime(&sys_time);
29   std::cout
30     << "system_clock::to_time_t(system_clock::now()) is "
31     << t->tm_mon << "/" << t->tm_mday << "/" << (1900 + t->tm_year) << " " << t->tm_hour << ":" << t->tm_min << ":" << t->tm_sec << std::endl;
32   #else
33   std::cout
34     << "system_clock::to_time_t(system_clock::now()) is "
35     << std::asctime(std::gmtime(&sys_time)) << std::endl;
36   #endif
37 
38   return 0;
39 }
40