mirror of https://github.com/pybind/pybind11.git
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
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// pybind11 equivalent of Boost.Python test:
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// https://github.com/rwgk/rwgk_tbx/blob/6c9a6d6bc72d5c1b8609724433259c5b47178680/cpp_base_py_derived_ext.cpp
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// See also: https://github.com/pybind/pybind11/issues/1333 (this was the starting point)
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#include "pybind11_tests.h"
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namespace pybind11_tests {
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namespace cpp_base_py_derived {
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struct base {
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base() : base_num(100) {}
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virtual int get_num() const { return base_num; }
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virtual std::shared_ptr<base> clone() const {
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return std::shared_ptr<base>(new base(150));
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}
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virtual ~base() = default;
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private:
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explicit base(int num) : base_num(num) {}
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int base_num;
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};
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inline int get_num(std::shared_ptr<base> b) { return b->get_num(); }
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inline int clone_get_num(std::shared_ptr<base> b) {
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std::shared_ptr<base> c = b->clone();
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return (b->get_num() + 3) * 1000 + (c->get_num() + 7);
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}
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struct base_trampoline : public base {
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using base::base;
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int get_num() const override {
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PYBIND11_OVERRIDE(int, base, get_num);
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}
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std::shared_ptr<base> clone() const override {
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PYBIND11_OVERRIDE(std::shared_ptr<base>, base, clone);
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}
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};
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TEST_SUBMODULE(cpp_base_py_derived, m) {
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py::class_<base, base_trampoline, std::shared_ptr<base>>(m, "base")
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.def(py::init<>())
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.def("get_num", &base::get_num)
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.def("clone", &base::clone)
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;
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m.def("get_num", get_num);
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m.def("clone_get_num", clone_get_num);
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}
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} // namespace cpp_base_py_derived
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} // namespace pybind11_tests
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