mirror of
https://github.com/thelsing/knx.git
synced 2024-12-18 19:08:18 +01:00
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
|
|
tests/test_call_policies.cpp -- keep_alive and call_guard
|
|
|
|
Copyright (c) 2016 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"
|
|
|
|
struct CustomGuard {
|
|
static bool enabled;
|
|
|
|
CustomGuard() { enabled = true; }
|
|
~CustomGuard() { enabled = false; }
|
|
|
|
static const char *report_status() { return enabled ? "guarded" : "unguarded"; }
|
|
};
|
|
bool CustomGuard::enabled = false;
|
|
|
|
struct DependentGuard {
|
|
static bool enabled;
|
|
|
|
DependentGuard() { enabled = CustomGuard::enabled; }
|
|
~DependentGuard() { enabled = false; }
|
|
|
|
static const char *report_status() { return enabled ? "guarded" : "unguarded"; }
|
|
};
|
|
bool DependentGuard::enabled = false;
|
|
|
|
TEST_SUBMODULE(call_policies, m) {
|
|
// Parent/Child are used in:
|
|
// test_keep_alive_argument, test_keep_alive_return_value, test_alive_gc_derived,
|
|
// test_alive_gc_multi_derived, test_return_none, test_keep_alive_constructor
|
|
class Child {
|
|
public:
|
|
Child() { py::print("Allocating child."); }
|
|
Child(const Child &) = default;
|
|
Child(Child &&) = default;
|
|
~Child() { py::print("Releasing child."); }
|
|
};
|
|
py::class_<Child>(m, "Child")
|
|
.def(py::init<>());
|
|
|
|
class Parent {
|
|
public:
|
|
Parent() { py::print("Allocating parent."); }
|
|
Parent(const Parent& parent) = default;
|
|
~Parent() { py::print("Releasing parent."); }
|
|
void addChild(Child *) { }
|
|
Child *returnChild() { return new Child(); }
|
|
Child *returnNullChild() { return nullptr; }
|
|
};
|
|
py::class_<Parent>(m, "Parent")
|
|
.def(py::init<>())
|
|
.def(py::init([](Child *) { return new Parent(); }), py::keep_alive<1, 2>())
|
|
.def("addChild", &Parent::addChild)
|
|
.def("addChildKeepAlive", &Parent::addChild, py::keep_alive<1, 2>())
|
|
.def("returnChild", &Parent::returnChild)
|
|
.def("returnChildKeepAlive", &Parent::returnChild, py::keep_alive<1, 0>())
|
|
.def("returnNullChildKeepAliveChild", &Parent::returnNullChild, py::keep_alive<1, 0>())
|
|
.def("returnNullChildKeepAliveParent", &Parent::returnNullChild, py::keep_alive<0, 1>());
|
|
|
|
#if !defined(PYPY_VERSION)
|
|
// test_alive_gc
|
|
class ParentGC : public Parent {
|
|
public:
|
|
using Parent::Parent;
|
|
};
|
|
py::class_<ParentGC, Parent>(m, "ParentGC", py::dynamic_attr())
|
|
.def(py::init<>());
|
|
#endif
|
|
|
|
// test_call_guard
|
|
m.def("unguarded_call", &CustomGuard::report_status);
|
|
m.def("guarded_call", &CustomGuard::report_status, py::call_guard<CustomGuard>());
|
|
|
|
m.def("multiple_guards_correct_order", []() {
|
|
return CustomGuard::report_status() + std::string(" & ") + DependentGuard::report_status();
|
|
}, py::call_guard<CustomGuard, DependentGuard>());
|
|
|
|
m.def("multiple_guards_wrong_order", []() {
|
|
return DependentGuard::report_status() + std::string(" & ") + CustomGuard::report_status();
|
|
}, py::call_guard<DependentGuard, CustomGuard>());
|
|
|
|
#if defined(WITH_THREAD) && !defined(PYPY_VERSION)
|
|
// `py::call_guard<py::gil_scoped_release>()` should work in PyPy as well,
|
|
// but it's unclear how to test it without `PyGILState_GetThisThreadState`.
|
|
auto report_gil_status = []() {
|
|
auto is_gil_held = false;
|
|
if (auto tstate = py::detail::get_thread_state_unchecked())
|
|
is_gil_held = (tstate == PyGILState_GetThisThreadState());
|
|
|
|
return is_gil_held ? "GIL held" : "GIL released";
|
|
};
|
|
|
|
m.def("with_gil", report_gil_status);
|
|
m.def("without_gil", report_gil_status, py::call_guard<py::gil_scoped_release>());
|
|
#endif
|
|
}
|