pybind11/tests/test_class_sh_shared_ptr_copy_move.cpp
Ralf W. Grosse-Kunstleve 5ab036bf08
[smart_holder] Simplification: Enable smart_holder functionality unconditionally. (#5531)
* git merge --squash purge_internals_versions_4_5

* Remove PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT, set PYBIND11_INTERNALS_VERSION 7

* Remove all uses of PYBIND11_SMART_HOLDER_ENABLED under include/pybind11

* Remove obsolete PYBIND11_ACTUALLY_USING_SMART_HOLDER_AS_DEFAULT macro.

* Remove PYBIND11_SMART_HOLDER_ENABLED in ubench/holder_comparison.cpp

* Remove all uses of PYBIND11_SMART_HOLDER_ENABLED under tests/

* Remove `#define PYBIND11_SMART_HOLDER_ENABLED`

* Remove all uses of PYBIND11_SMART_HOLDER_TYPE_CASTERS under tests/

* Remove all uses of PYBIND11_TYPE_CASTER_BASE_HOLDER under tests/

* Add missing `#include <cstdint>`

Example error message (🐍 3.11 • ubuntu-latest • x64, GNU 13.3.0):

```
include/pybind11/detail/value_and_holder.h:56:52: error: ‘uint8_t’ is not a member of ‘std’; did you mean ‘wint_t’?
   56 |             inst->nonsimple.status[index] &= (std::uint8_t) ~instance::status_holder_constructed;
      |                                                    ^~~~~~~
```

* Change PYBIND11_INTERNALS_VERSION to 106: It will be changed to 7 in a follow-on PR that actually changes the internals.
2025-02-22 10:22:20 -08:00

106 lines
3.9 KiB
C++

#include <pybind11/smart_holder.h>
#include "pybind11_tests.h"
#include <memory>
#include <string>
#include <vector>
namespace pybind11_tests {
namespace {
const std::string fooNames[] = {"ShPtr_", "SmHld_"};
template <int SerNo>
struct Foo {
std::string history;
explicit Foo(const std::string &history_) : history(history_) {}
Foo(const Foo &other) : history(other.history + "_CpCtor") {}
Foo(Foo &&other) noexcept : history(other.history + "_MvCtor") {}
Foo &operator=(const Foo &other) {
history = other.history + "_OpEqLv";
return *this;
}
Foo &operator=(Foo &&other) noexcept {
history = other.history + "_OpEqRv";
return *this;
}
std::string get_history() const { return "Foo" + fooNames[SerNo] + history; }
};
using FooShPtr = Foo<0>;
using FooSmHld = Foo<1>;
struct Outer {
std::shared_ptr<FooShPtr> ShPtr;
std::shared_ptr<FooSmHld> SmHld;
Outer()
: ShPtr(std::make_shared<FooShPtr>("Outer")), SmHld(std::make_shared<FooSmHld>("Outer")) {}
std::shared_ptr<FooShPtr> getShPtr() const { return ShPtr; }
std::shared_ptr<FooSmHld> getSmHld() const { return SmHld; }
};
} // namespace
TEST_SUBMODULE(class_sh_shared_ptr_copy_move, m) {
namespace py = pybind11;
py::class_<FooShPtr, std::shared_ptr<FooShPtr>>(m, "FooShPtr")
.def("get_history", &FooShPtr::get_history);
py::classh<FooSmHld>(m, "FooSmHld").def("get_history", &FooSmHld::get_history);
auto outer = py::class_<Outer>(m, "Outer").def(py::init());
#define MAKE_PROP(PropTyp) \
MAKE_PROP_FOO(ShPtr, PropTyp) \
MAKE_PROP_FOO(SmHld, PropTyp)
#define MAKE_PROP_FOO(FooTyp, PropTyp) \
.def_##PropTyp(#FooTyp "_" #PropTyp "_default", &Outer::FooTyp) \
.def_##PropTyp( \
#FooTyp "_" #PropTyp "_copy", &Outer::FooTyp, py::return_value_policy::copy) \
.def_##PropTyp( \
#FooTyp "_" #PropTyp "_move", &Outer::FooTyp, py::return_value_policy::move)
outer MAKE_PROP(readonly) MAKE_PROP(readwrite);
#undef MAKE_PROP_FOO
#define MAKE_PROP_FOO(FooTyp, PropTyp) \
.def_##PropTyp(#FooTyp "_property_" #PropTyp "_default", &Outer::FooTyp) \
.def_property_##PropTyp(#FooTyp "_property_" #PropTyp "_copy", \
&Outer::get##FooTyp, \
py::return_value_policy::copy) \
.def_property_##PropTyp(#FooTyp "_property_" #PropTyp "_move", \
&Outer::get##FooTyp, \
py::return_value_policy::move)
outer MAKE_PROP(readonly);
#undef MAKE_PROP_FOO
#undef MAKE_PROP
m.def("test_ShPtr_copy", []() {
auto o = std::make_shared<FooShPtr>("copy");
auto l = py::list();
l.append(o);
return l;
});
m.def("test_SmHld_copy", []() {
auto o = std::make_shared<FooSmHld>("copy");
auto l = py::list();
l.append(o);
return l;
});
m.def("test_ShPtr_move", []() {
auto o = std::make_shared<FooShPtr>("move");
auto l = py::list();
l.append(std::move(o));
return l;
});
m.def("test_SmHld_move", []() {
auto o = std::make_shared<FooSmHld>("move");
auto l = py::list();
l.append(std::move(o));
return l;
});
}
} // namespace pybind11_tests