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diff --git a/3rdparty/pybind11/tests/test_chrono.cpp b/3rdparty/pybind11/tests/test_chrono.cpp
new file mode 100644
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+++ b/3rdparty/pybind11/tests/test_chrono.cpp
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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>
+
+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;
+    });
+}