text: /*
      tests/test_chrono.cpp -- test conversions to/from std::chrono types
  
      Copyright (c) 2016 Trent Houliston <trent@houliston.me> and
                         Wenzel Jakob <wenzel.jakob@epfl.ch>
  
      All rights reserved. Use of this source code is governed by a
      BSD-style license that can be found in the LICENSE file.
  */
  
  #include "pybind11_tests.h"
  #include <pybind11/chrono.h>
  
  TEST_SUBMODULE(chrono, m) {
      using system_time = std::chrono::system_clock::time_point;
      using steady_time = std::chrono::steady_clock::time_point;
      // test_chrono_system_clock
      // Return the current time off the wall clock
      m.def("test_chrono1", []() { return std::chrono::system_clock::now(); });
  
      // test_chrono_system_clock_roundtrip
      // Round trip the passed in system clock time
      m.def("test_chrono2", [](system_time t) { return t; });
  
      // test_chrono_duration_roundtrip
      // Round trip the passed in duration
      m.def("test_chrono3", [](std::chrono::system_clock::duration d) { return d; });
  
      // test_chrono_duration_subtraction_equivalence
      // Difference between two passed in time_points
      m.def("test_chrono4", [](system_time a, system_time b) { return a - b; });
  
      // test_chrono_steady_clock
      // Return the current time off the steady_clock
      m.def("test_chrono5", []() { return std::chrono::steady_clock::now(); });
  
      // test_chrono_steady_clock_roundtrip
      // Round trip a steady clock timepoint
      m.def("test_chrono6", [](steady_time t) { return t; });
  
      // test_floating_point_duration
      // Roundtrip a duration in microseconds from a float argument
      m.def("test_chrono7", [](std::chrono::microseconds t) { return t; });
      // Float durations (issue #719)
      m.def("test_chrono_float_diff", [](std::chrono::duration<float> a, std::chrono::duration<float> b) {
          return a - b; });
  }
  