pybind11/tests/test_class_sh_virtual_py_cpp_mix.cpp at master · SimplexZhao/pybind11 · GitHub

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#include "pybind11_tests.h"

#include <memory>

namespace pybind11_tests {

namespace class_sh_virtual_py_cpp_mix {

class Base {

public:

virtual ~Base() = default;

virtual int get() const { return 101; }

// Some compilers complain about implicitly defined versions of some of the following:

Base() = default;

Base(const Base &) = default;

};

class CppDerivedPlain : public Base {

public:

int get() const override { return 202; }

};

class CppDerived : public Base {

public:

int get() const override { return 212; }

};

int get_from_cpp_plainc_ptr(const Base *b) { return b->get() + 4000; }

int get_from_cpp_unique_ptr(std::unique_ptr<Base> b) { return b->get() + 5000; }

struct BaseVirtualOverrider : Base, py::trampoline_self_life_support {

using Base::Base;

int get() const override { PYBIND11_OVERRIDE(int, Base, get); }

};

struct CppDerivedVirtualOverrider : CppDerived, py::trampoline_self_life_support {

using CppDerived::CppDerived;

int get() const override { PYBIND11_OVERRIDE(int, CppDerived, get); }

};

} // namespace class_sh_virtual_py_cpp_mix

} // namespace pybind11_tests

using namespace pybind11_tests::class_sh_virtual_py_cpp_mix;

TEST_SUBMODULE(class_sh_virtual_py_cpp_mix, m) {

py::classh<Base, BaseVirtualOverrider>(m, "Base").def(py::init<>()).def("get", &Base::get);

py::classh<CppDerivedPlain, Base>(m, "CppDerivedPlain").def(py::init<>());

py::classh<CppDerived, Base, CppDerivedVirtualOverrider>(m, "CppDerived").def(py::init<>());

m.def("get_from_cpp_plainc_ptr", get_from_cpp_plainc_ptr, py::arg("b"));

m.def("get_from_cpp_unique_ptr", get_from_cpp_unique_ptr, py::arg("b"));

}

pybind11/tests/test_class_sh_virtual_py_cpp_mix.cpp at master · SimplexZhao/pybind11 · GitHub

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