Line data    Source code

       1             : // Copyright 2024 Accenture.
       2             : 
       3             : #include <estd/assert.h>
       4             : #include <estd/chrono.h>
       5             : 
       6             : #include <gtest/gtest.h>
       7             : 
       8             : #include <iostream>
       9             : 
      10             : namespace
      11             : {
      12             : namespace chrono_example
      13             : {
      14             : struct Clock
      15             : {
      16             :     using duration = estd::chrono::minutes;
      17             : };
      18             : } // namespace chrono_example
      19             : 
      20           3 : TEST(UniquePoolPtrExample, sum1)
      21             : {
      22             :     // [EXAMPLE_CHRONO_DURATION_START]
      23             : 
      24             :     // using milli = duration<int32_t>;
      25           1 :     estd::chrono::duration<int32_t, estd::milli> src(1001);
      26           1 :     {
      27             :         // using duration_cast to pass the value
      28           1 :         estd::chrono::duration<int32_t, estd::micro> cut
      29           1 :             = estd::chrono::duration_cast<estd::chrono::duration<int32_t, estd::micro>>(src);
      30             : 
      31             :         // using count to print duration
      32           1 :         std::cout << "Duration: " << cut.count() << "ms\n";
      33             : 
      34             :         // using extreme duration values from duration
      35           1 :         estd::chrono::duration<int8_t, estd::milli>::min().count();
      36           1 :         estd::chrono::duration<int8_t, estd::milli>::max().count();
      37             :     }
      38             : 
      39             :     // using seconds = duration<int64_t>;
      40           1 :     auto const ts1 = ::estd::chrono::seconds(42);
      41             : 
      42             :     // using milliseconds = duration<int64_t, milli>;
      43           1 :     auto const ts2 = ::estd::chrono::milliseconds(42000);
      44             : 
      45             :     // duration_cast using equality operator
      46             : 
      47           1 :     estd_assert(::estd::chrono::duration_cast<::estd::chrono::seconds>(ts2) == ts1);
      48             :     // [EXAMPLE_CHRONO_DURATION_END]
      49           1 : }
      50             : 
      51           3 : TEST(UniquePoolPtrExample, sum2)
      52             : {
      53             :     // [EXAMPLE_CHRONO_TIME_POINT_START]
      54             : 
      55             :     // time_point created
      56           1 :     estd::chrono::time_point<chrono_example::Clock, estd::chrono::milliseconds> cut;
      57             : 
      58             :     // the time after the clock start is 0
      59           1 :     std::cout << "time_point: " << cut.time_since_epoch().count() << "ms\n";
      60             : 
      61             :     // value of 715 micro seconds is passed to time_point
      62           1 :     estd::chrono::time_point<chrono_example::Clock, estd::chrono::microseconds> cut1(
      63           1 :         estd::chrono::microseconds(715));
      64             : 
      65             :     // the time after the clock start is 715 micro seconds
      66           1 :     std::cout << "time_point: " << cut1.time_since_epoch().count() << "ms\n";
      67             : 
      68             :     // using extreme duration values from time_point
      69           1 :     estd::chrono::time_point<chrono_example::Clock, estd::chrono::duration<int8_t, estd::milli>>::
      70           1 :         min()
      71           1 :             .time_since_epoch()
      72           1 :             .count();
      73             : 
      74           1 :     estd::chrono::time_point<chrono_example::Clock, estd::chrono::duration<int8_t, estd::milli>>::
      75           1 :         max()
      76           1 :             .time_since_epoch()
      77           1 :             .count();
      78             : 
      79             :     // [EXAMPLE_CHRONO_TIME_POINT_END]
      80           1 : }
      81             : 
      82             : } // namespace