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/*
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>
#include <chrono>
struct different_resolutions {
using time_point_h = std::chrono::time_point<
std::chrono::system_clock, std::chrono::hours>;
using time_point_m = std::chrono::time_point<
std::chrono::system_clock, std::chrono::minutes>;
using time_point_s = std::chrono::time_point<
std::chrono::system_clock, std::chrono::seconds>;
using time_point_ms = std::chrono::time_point<
std::chrono::system_clock, std::chrono::milliseconds>;
using time_point_us = std::chrono::time_point<
std::chrono::system_clock, std::chrono::microseconds>;
time_point_h timestamp_h;
time_point_m timestamp_m;
time_point_s timestamp_s;
time_point_ms timestamp_ms;
time_point_us timestamp_us;
};
TEST_SUBMODULE(chrono, m) {
using system_time = std::chrono::system_clock::time_point;
using steady_time = std::chrono::steady_clock::time_point;
using timespan = std::chrono::duration<int64_t, std::nano>;
using timestamp = std::chrono::time_point<std::chrono::system_clock, timespan>;
// 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; });
m.def("test_nano_timepoint", [](timestamp start, timespan delta) -> timestamp {
return start + delta;
});
// Test different resolutions
py::class_<different_resolutions>(m, "different_resolutions")
.def(py::init<>())
.def_readwrite("timestamp_h", &different_resolutions::timestamp_h)
.def_readwrite("timestamp_m", &different_resolutions::timestamp_m)
.def_readwrite("timestamp_s", &different_resolutions::timestamp_s)
.def_readwrite("timestamp_ms", &different_resolutions::timestamp_ms)
.def_readwrite("timestamp_us", &different_resolutions::timestamp_us)
;
}
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