/*

    tests/test_gil_scoped.cpp -- acquire and release gil

    Copyright (c) 2017 Borja Zarco (Google LLC) <bzarco@google.com>

    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/functional.h>

class VirtClass  {

public:

    virtual ~VirtClass() {}

    virtual void virtual_func() {}

    virtual void pure_virtual_func() = 0;

};

class PyVirtClass : public VirtClass {

    void virtual_func() override {

        PYBIND11_OVERLOAD(void, VirtClass, virtual_func,);

    }

    void pure_virtual_func() override {

        PYBIND11_OVERLOAD_PURE(void, VirtClass, pure_virtual_func,);

    }

};

TEST_SUBMODULE(gil_scoped, m) {

  py::class_<VirtClass, PyVirtClass>(m, "VirtClass")

      .def(py::init<>())

      .def("virtual_func", &VirtClass::virtual_func)

      .def("pure_virtual_func", &VirtClass::pure_virtual_func);

    m.def("test_callback_py_obj",

          [](py::object func) { func(); });

    m.def("test_callback_std_func",

          [](const std::function<void()> &func) { func(); });

    m.def("test_callback_virtual_func",

          [](VirtClass &virt) { virt.virtual_func(); });

    m.def("test_callback_pure_virtual_func",

          [](VirtClass &virt) { virt.pure_virtual_func(); });

    m.def("test_cross_module_gil",

          []() {

              auto cm = py::module::import("cross_module_gil_utils");

              auto gil_acquire = reinterpret_cast<void (*)()>(

                  PyLong_AsVoidPtr(cm.attr("gil_acquire_funcaddr").ptr()));

              py::gil_scoped_release gil_release;

              gil_acquire();

          });

}