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Experiments: 1. disabling enable_shared_from_this, 2. using smart_holder in test_class_sh_shared_from_this.cpp

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Ralf W. Grosse-Kunstleve
2021-05-27 16:33:22 -07:00
committed by Ralf W. Grosse-Kunstleve
parent 252b6aefb8
commit 94523e8a02
4 changed files with 33 additions and 20 deletions
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24
tests/test_class_sh_shared_from_this.cpp
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@@ -1,6 +1,8 @@
#include "pybind11_tests.h"
#include "object.h"
#include <pybind11/smart_holder.h>
namespace test_class_sh_shared_from_this {
class MyObject3 : public std::enable_shared_from_this<MyObject3> {
@@ -37,36 +39,36 @@ struct SharedFromThisVirt : virtual SharedFromThisVBase {};
using namespace test_class_sh_shared_from_this;
PYBIND11_TYPE_CASTER_BASE_HOLDER(MyObject3, std::shared_ptr<MyObject3>)
PYBIND11_TYPE_CASTER_BASE_HOLDER(SharedFromThisRef::B, std::shared_ptr<SharedFromThisRef::B>)
PYBIND11_TYPE_CASTER_BASE_HOLDER(SharedFromThisRef, std::unique_ptr<SharedFromThisRef>)
PYBIND11_TYPE_CASTER_BASE_HOLDER(SharedFromThisVirt, std::shared_ptr<SharedFromThisVirt>)
PYBIND11_SMART_HOLDER_TYPE_CASTERS(MyObject3)
PYBIND11_SMART_HOLDER_TYPE_CASTERS(SharedFromThisRef::B)
PYBIND11_SMART_HOLDER_TYPE_CASTERS(SharedFromThisRef)
PYBIND11_SMART_HOLDER_TYPE_CASTERS(SharedFromThisVirt)
TEST_SUBMODULE(class_sh_shared_from_this, m) {
py::class_<MyObject3, std::shared_ptr<MyObject3>>(m, "MyObject3")
py::classh<MyObject3>(m, "MyObject3")
.def(py::init<int>());
m.def("make_myobject3_1", []() { return new MyObject3(8); });
m.def("make_myobject3_2", []() { return std::make_shared<MyObject3>(9); });
m.def("print_myobject3_1", [](const MyObject3 *obj) { py::print(obj->toString()); });
m.def("print_myobject3_2", [](std::shared_ptr<MyObject3> obj) { py::print(obj->toString()); });
m.def("print_myobject3_3", [](const std::shared_ptr<MyObject3> &obj) { py::print(obj->toString()); });
m.def("print_myobject3_4", [](const std::shared_ptr<MyObject3> *obj) { py::print((*obj)->toString()); });
//m.def("print_myobject3_4", [](const std::shared_ptr<MyObject3> *obj) { py::print((*obj)->toString()); });
using B = SharedFromThisRef::B;
py::class_<B, std::shared_ptr<B>>(m, "B");
py::class_<SharedFromThisRef, std::unique_ptr<SharedFromThisRef>>(m, "SharedFromThisRef")
py::classh<B>(m, "B");
py::classh<SharedFromThisRef>(m, "SharedFromThisRef")
.def(py::init<>())
.def_readonly("bad_wp", &SharedFromThisRef::value)
.def_property_readonly("ref", [](const SharedFromThisRef &s) -> const B & { return *s.shared; })
.def_property_readonly("copy", [](const SharedFromThisRef &s) { return s.value; },
py::return_value_policy::copy)
py::return_value_policy::automatic) // XXX XXX XXX copy)
.def_readonly("holder_ref", &SharedFromThisRef::shared)
.def_property_readonly("holder_copy", [](const SharedFromThisRef &s) { return s.shared; },
py::return_value_policy::copy)
py::return_value_policy::automatic) // XXX XXX XXX copy)
.def("set_ref", [](SharedFromThisRef &, const B &) { return true; })
.def("set_holder", [](SharedFromThisRef &, std::shared_ptr<B>) { return true; });
static std::shared_ptr<SharedFromThisVirt> sft(new SharedFromThisVirt());
py::class_<SharedFromThisVirt, std::shared_ptr<SharedFromThisVirt>>(m, "SharedFromThisVirt")
py::classh<SharedFromThisVirt>(m, "SharedFromThisVirt")
.def_static("get", []() { return sft.get(); });
}