knx/examples/knxPython/pybind11/tests/test_local_bindings.cpp
Thomas Kunze 1c6d772056 astyle
2024-09-14 11:56:47 +02:00

153 lines
4.5 KiB
C++

/*
tests/test_local_bindings.cpp -- tests the py::module_local class feature which makes a class
binding local to the module in which it is defined.
Copyright (c) 2017 Jason Rhinelander <jason@imaginary.ca>
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/stl.h>
#include <pybind11/stl_bind.h>
#include "local_bindings.h"
#include "pybind11_tests.h"
#include <numeric>
#include <utility>
TEST_SUBMODULE(local_bindings, m)
{
// test_load_external
m.def("load_external1", [](ExternalType1 & e)
{
return e.i;
});
m.def("load_external2", [](ExternalType2 & e)
{
return e.i;
});
// test_local_bindings
// Register a class with py::module_local:
bind_local < LocalType, -1 > (m, "LocalType", py::module_local()).def("get3", [](LocalType & t)
{
return t.i + 3;
});
m.def("local_value", [](LocalType & l)
{
return l.i;
});
// test_nonlocal_failure
// The main pybind11 test module is loaded first, so this registration will succeed (the second
// one, in pybind11_cross_module_tests.cpp, is designed to fail):
bind_local<NonLocalType, 0>(m, "NonLocalType")
.def(py::init<int>())
.def("get", [](LocalType & i)
{
return i.i;
});
// test_duplicate_local
// py::module_local declarations should be visible across compilation units that get linked
// together; this tries to register a duplicate local. It depends on a definition in
// test_class.cpp and should raise a runtime error from the duplicate definition attempt. If
// test_class isn't available it *also* throws a runtime error (with "test_class not enabled"
// as value).
m.def("register_local_external", [m]()
{
auto main = py::module_::import("pybind11_tests");
if (py::hasattr(main, "class_"))
{
bind_local<LocalExternal, 7>(m, "LocalExternal", py::module_local());
}
else
{
throw std::runtime_error("test_class not enabled");
}
});
// test_stl_bind_local
// stl_bind.h binders defaults to py::module_local if the types are local or converting:
py::bind_vector<LocalVec>(m, "LocalVec");
py::bind_map<LocalMap>(m, "LocalMap");
// and global if the type (or one of the types, for the map) is global:
py::bind_vector<NonLocalVec>(m, "NonLocalVec");
py::bind_map<NonLocalMap>(m, "NonLocalMap");
// test_stl_bind_global
// They can, however, be overridden to global using `py::module_local(false)`:
bind_local<NonLocal2, 10>(m, "NonLocal2");
py::bind_vector<LocalVec2>(m, "LocalVec2", py::module_local());
py::bind_map<NonLocalMap2>(m, "NonLocalMap2", py::module_local(false));
// test_mixed_local_global
// We try this both with the global type registered first and vice versa (the order shouldn't
// matter).
m.def("register_mixed_global", [m]()
{
bind_local<MixedGlobalLocal, 100>(m, "MixedGlobalLocal", py::module_local(false));
});
m.def("register_mixed_local", [m]()
{
bind_local<MixedLocalGlobal, 1000>(m, "MixedLocalGlobal", py::module_local());
});
m.def("get_mixed_gl", [](int i)
{
return MixedGlobalLocal(i);
});
m.def("get_mixed_lg", [](int i)
{
return MixedLocalGlobal(i);
});
// test_internal_locals_differ
m.def("local_cpp_types_addr",
[]()
{
return (uintptr_t) &py::detail::get_local_internals().registered_types_cpp;
});
// test_stl_caster_vs_stl_bind
m.def("load_vector_via_caster",
[](std::vector<int> v)
{
return std::accumulate(v.begin(), v.end(), 0);
});
// test_cross_module_calls
m.def("return_self", [](LocalVec * v)
{
return v;
});
m.def("return_copy", [](const LocalVec & v)
{
return LocalVec(v);
});
class Cat : public pets::Pet
{
public:
explicit Cat(std::string name) : Pet(std::move(name)) {}
};
py::class_<pets::Pet>(m, "Pet", py::module_local()).def("get_name", &pets::Pet::name);
// Binding for local extending class:
py::class_<Cat, pets::Pet>(m, "Cat").def(py::init<std::string>());
m.def("pet_name", [](pets::Pet & p)
{
return p.name();
});
py::class_<MixGL>(m, "MixGL").def(py::init<int>());
m.def("get_gl_value", [](MixGL & o)
{
return o.i + 10;
});
py::class_<MixGL2>(m, "MixGL2").def(py::init<int>());
}