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knx/examples/knxPython/pybind11/tests/test_copy_move.cpp
Thomas Kunze 1f406abbd4 astyle
2024-09-14 11:55:51 +02:00

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/*
tests/test_copy_move_policies.cpp -- 'copy' and 'move' return value policies
and related tests
Copyright (c) 2016 Ben North <ben@redfrontdoor.org>
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 "constructor_stats.h"
#include "pybind11_tests.h"
#include <type_traits>
template <typename derived>
struct empty
{
static const derived& get_one()
{
return instance_;
}
static derived instance_;
};
struct lacking_copy_ctor : public empty<lacking_copy_ctor>
{
lacking_copy_ctor() = default;
lacking_copy_ctor(const lacking_copy_ctor& other) = delete;
};
template <>
lacking_copy_ctor empty<lacking_copy_ctor>::instance_ = {};
struct lacking_move_ctor : public empty<lacking_move_ctor>
{
lacking_move_ctor() = default;
lacking_move_ctor(const lacking_move_ctor& other) = delete;
lacking_move_ctor(lacking_move_ctor&& other) = delete;
};
template <>
lacking_move_ctor empty<lacking_move_ctor>::instance_ = {};
/* Custom type caster move/copy test classes */
class MoveOnlyInt
{
public:
MoveOnlyInt()
{
print_default_created(this);
}
explicit MoveOnlyInt(int v) : value{v}
{
print_created(this, value);
}
MoveOnlyInt(MoveOnlyInt&& m) noexcept
{
print_move_created(this, m.value);
std::swap(value, m.value);
}
MoveOnlyInt& operator=(MoveOnlyInt&& m) noexcept
{
print_move_assigned(this, m.value);
std::swap(value, m.value);
return *this;
}
MoveOnlyInt(const MoveOnlyInt&) = delete;
MoveOnlyInt& operator=(const MoveOnlyInt&) = delete;
~MoveOnlyInt()
{
print_destroyed(this);
}
int value;
};
class MoveOrCopyInt
{
public:
MoveOrCopyInt()
{
print_default_created(this);
}
explicit MoveOrCopyInt(int v) : value{v}
{
print_created(this, value);
}
MoveOrCopyInt(MoveOrCopyInt&& m) noexcept
{
print_move_created(this, m.value);
std::swap(value, m.value);
}
MoveOrCopyInt& operator=(MoveOrCopyInt&& m) noexcept
{
print_move_assigned(this, m.value);
std::swap(value, m.value);
return *this;
}
MoveOrCopyInt(const MoveOrCopyInt& c)
{
print_copy_created(this, c.value);
// NOLINTNEXTLINE(cppcoreguidelines-prefer-member-initializer)
value = c.value;
}
MoveOrCopyInt& operator=(const MoveOrCopyInt& c)
{
print_copy_assigned(this, c.value);
value = c.value;
return *this;
}
~MoveOrCopyInt()
{
print_destroyed(this);
}
int value;
};
class CopyOnlyInt
{
public:
CopyOnlyInt()
{
print_default_created(this);
}
explicit CopyOnlyInt(int v) : value{v}
{
print_created(this, value);
}
CopyOnlyInt(const CopyOnlyInt& c)
{
print_copy_created(this, c.value);
// NOLINTNEXTLINE(cppcoreguidelines-prefer-member-initializer)
value = c.value;
}
CopyOnlyInt& operator=(const CopyOnlyInt& c)
{
print_copy_assigned(this, c.value);
value = c.value;
return *this;
}
~CopyOnlyInt()
{
print_destroyed(this);
}
int value;
};
PYBIND11_NAMESPACE_BEGIN(pybind11)
PYBIND11_NAMESPACE_BEGIN(detail)
template <>
struct type_caster<MoveOnlyInt>
{
PYBIND11_TYPE_CASTER(MoveOnlyInt, const_name("MoveOnlyInt"));
bool load(handle src, bool)
{
value = MoveOnlyInt(src.cast<int>());
return true;
}
static handle cast(const MoveOnlyInt& m, return_value_policy r, handle p)
{
return pybind11::cast(m.value, r, p);
}
};
template <>
struct type_caster<MoveOrCopyInt>
{
PYBIND11_TYPE_CASTER(MoveOrCopyInt, const_name("MoveOrCopyInt"));
bool load(handle src, bool)
{
value = MoveOrCopyInt(src.cast<int>());
return true;
}
static handle cast(const MoveOrCopyInt& m, return_value_policy r, handle p)
{
return pybind11::cast(m.value, r, p);
}
};
template <>
struct type_caster<CopyOnlyInt>
{
protected:
CopyOnlyInt value;
public:
static constexpr auto name = const_name("CopyOnlyInt");
bool load(handle src, bool)
{
value = CopyOnlyInt(src.cast<int>());
return true;
}
static handle cast(const CopyOnlyInt& m, return_value_policy r, handle p)
{
return pybind11::cast(m.value, r, p);
}
static handle cast(const CopyOnlyInt* src, return_value_policy policy, handle parent)
{
if (!src)
{
return none().release();
}
return cast(*src, policy, parent);
}
explicit operator CopyOnlyInt* ()
{
return &value;
}
explicit operator CopyOnlyInt& ()
{
return value;
}
template <typename T>
using cast_op_type = pybind11::detail::cast_op_type<T>;
};
PYBIND11_NAMESPACE_END(detail)
PYBIND11_NAMESPACE_END(pybind11)
namespace
{
py::object CastUnusualOpRefConstRef(const UnusualOpRef& cref)
{
return py::cast(cref);
}
py::object CastUnusualOpRefMovable(UnusualOpRef&& mvbl)
{
return py::cast(std::move(mvbl));
}
} // namespace
TEST_SUBMODULE(copy_move_policies, m)
{
// test_lacking_copy_ctor
py::class_<lacking_copy_ctor>(m, "lacking_copy_ctor")
.def_static("get_one", &lacking_copy_ctor::get_one, py::return_value_policy::copy);
// test_lacking_move_ctor
py::class_<lacking_move_ctor>(m, "lacking_move_ctor")
.def_static("get_one", &lacking_move_ctor::get_one, py::return_value_policy::move);
// test_move_and_copy_casts
// NOLINTNEXTLINE(performance-unnecessary-value-param)
m.def("move_and_copy_casts", [](const py::object & o)
{
int r = 0;
r += py::cast<MoveOrCopyInt>(o).value; /* moves */
r += py::cast<MoveOnlyInt>(o).value; /* moves */
r += py::cast<CopyOnlyInt>(o).value; /* copies */
auto m1(py::cast<MoveOrCopyInt>(o)); /* moves */
auto m2(py::cast<MoveOnlyInt>(o)); /* moves */
auto m3(py::cast<CopyOnlyInt>(o)); /* copies */
r += m1.value + m2.value + m3.value;
return r;
});
// test_move_and_copy_loads
m.def("move_only", [](MoveOnlyInt m)
{
return m.value;
});
// Changing this breaks the existing test: needs careful review.
// NOLINTNEXTLINE(performance-unnecessary-value-param)
m.def("move_or_copy", [](MoveOrCopyInt m)
{
return m.value;
});
// Changing this breaks the existing test: needs careful review.
// NOLINTNEXTLINE(performance-unnecessary-value-param)
m.def("copy_only", [](CopyOnlyInt m)
{
return m.value;
});
m.def("move_pair",
[](std::pair<MoveOnlyInt, MoveOrCopyInt> p)
{
return p.first.value + p.second.value;
});
m.def("move_tuple", [](std::tuple<MoveOnlyInt, MoveOrCopyInt, MoveOnlyInt> t)
{
return std::get<0>(t).value + std::get<1>(t).value + std::get<2>(t).value;
});
m.def("copy_tuple", [](std::tuple<CopyOnlyInt, CopyOnlyInt> t)
{
return std::get<0>(t).value + std::get<1>(t).value;
});
m.def("move_copy_nested",
[](std::pair<MoveOnlyInt,
std::pair<std::tuple<MoveOrCopyInt, CopyOnlyInt, std::tuple<MoveOnlyInt>>,
MoveOrCopyInt>> x)
{
return x.first.value + std::get<0>(x.second.first).value
+ std::get<1>(x.second.first).value
+ std::get<0>(std::get<2>(x.second.first)).value + x.second.second.value;
});
m.def("move_and_copy_cstats", []()
{
ConstructorStats::gc();
// Reset counts to 0 so that previous tests don't affect later ones:
auto& mc = ConstructorStats::get<MoveOrCopyInt>();
mc.move_assignments = mc.move_constructions = mc.copy_assignments = mc.copy_constructions
= 0;
auto& mo = ConstructorStats::get<MoveOnlyInt>();
mo.move_assignments = mo.move_constructions = mo.copy_assignments = mo.copy_constructions
= 0;
auto& co = ConstructorStats::get<CopyOnlyInt>();
co.move_assignments = co.move_constructions = co.copy_assignments = co.copy_constructions
= 0;
py::dict d;
d["MoveOrCopyInt"] = py::cast(mc, py::return_value_policy::reference);
d["MoveOnlyInt"] = py::cast(mo, py::return_value_policy::reference);
d["CopyOnlyInt"] = py::cast(co, py::return_value_policy::reference);
return d;
});
#ifdef PYBIND11_HAS_OPTIONAL
// test_move_and_copy_load_optional
m.attr("has_optional") = true;
m.def("move_optional", [](std::optional<MoveOnlyInt> o)
{
return o->value;
});
m.def("move_or_copy_optional", [](std::optional<MoveOrCopyInt> o)
{
return o->value;
});
m.def("copy_optional", [](std::optional<CopyOnlyInt> o)
{
return o->value;
});
m.def("move_optional_tuple",
[](std::optional<std::tuple<MoveOrCopyInt, MoveOnlyInt, CopyOnlyInt>> x)
{
return std::get<0>(*x).value + std::get<1>(*x).value + std::get<2>(*x).value;
});
#else
m.attr("has_optional") = false;
#endif
// #70 compilation issue if operator new is not public - simple body added
// but not needed on most compilers; MSVC and nvcc don't like a local
// struct not having a method defined when declared, since it can not be
// added later.
struct PrivateOpNew
{
int value = 1;
private:
void* operator new (size_t bytes)
{
void* ptr = std::malloc(bytes);
if (ptr)
{
return ptr;
}
throw std::bad_alloc{};
}
};
py::class_<PrivateOpNew>(m, "PrivateOpNew").def_readonly("value", &PrivateOpNew::value);
m.def("private_op_new_value", []()
{
return PrivateOpNew();
});
m.def(
"private_op_new_reference",
[]() -> const PrivateOpNew &
{
static PrivateOpNew x{};
return x;
},
py::return_value_policy::reference);
// test_move_fallback
// #389: rvp::move should fall-through to copy on non-movable objects
struct MoveIssue1
{
int v;
explicit MoveIssue1(int v) : v{v} {}
MoveIssue1(const MoveIssue1& c) = default;
MoveIssue1(MoveIssue1&&) = delete;
};
py::class_<MoveIssue1>(m, "MoveIssue1")
.def(py::init<int>())
.def_readwrite("value", &MoveIssue1::v);
struct MoveIssue2
{
int v;
explicit MoveIssue2(int v) : v{v} {}
MoveIssue2(MoveIssue2&&) = default;
};
py::class_<MoveIssue2>(m, "MoveIssue2")
.def(py::init<int>())
.def_readwrite("value", &MoveIssue2::v);
// #2742: Don't expect ownership of raw pointer to `new`ed object to be transferred with
// `py::return_value_policy::move`
m.def(
"get_moveissue1",
[](int i)
{
return std::unique_ptr<MoveIssue1>(new MoveIssue1(i));
},
py::return_value_policy::move);
m.def("get_moveissue2", [](int i)
{
return MoveIssue2(i);
}, py::return_value_policy::move);
// Make sure that cast from pytype rvalue to other pytype works
m.def("get_pytype_rvalue_castissue", [](double i)
{
return py::float_(i).cast<py::int_>();
});
py::class_<UnusualOpRef>(m, "UnusualOpRef");
m.def("CallCastUnusualOpRefConstRef",
[]()
{
return CastUnusualOpRefConstRef(UnusualOpRef());
});
m.def("CallCastUnusualOpRefMovable", []()
{
return CastUnusualOpRefMovable(UnusualOpRef());
});
}
/*
* Rest of the file:
* static_assert based tests for pybind11 adaptations of
* std::is_move_constructible, std::is_copy_constructible and
* std::is_copy_assignable (no adaptation of std::is_move_assignable).
* Difference between pybind11 and std traits: pybind11 traits will also check
* the contained value_types.
*/
struct NotMovable
{
NotMovable() = default;
NotMovable(NotMovable const&) = default;
NotMovable(NotMovable&&) = delete;
NotMovable& operator=(NotMovable const&) = default;
NotMovable& operator=(NotMovable&&) = delete;
};
static_assert(!std::is_move_constructible<NotMovable>::value,
"!std::is_move_constructible<NotMovable>::value");
static_assert(std::is_copy_constructible<NotMovable>::value,
"std::is_copy_constructible<NotMovable>::value");
static_assert(!pybind11::detail::is_move_constructible<NotMovable>::value,
"!pybind11::detail::is_move_constructible<NotMovable>::value");
static_assert(pybind11::detail::is_copy_constructible<NotMovable>::value,
"pybind11::detail::is_copy_constructible<NotMovable>::value");
static_assert(!std::is_move_assignable<NotMovable>::value,
"!std::is_move_assignable<NotMovable>::value");
static_assert(std::is_copy_assignable<NotMovable>::value,
"std::is_copy_assignable<NotMovable>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotMovable>::value,
// "!pybind11::detail::is_move_assignable<NotMovable>::value");
static_assert(pybind11::detail::is_copy_assignable<NotMovable>::value,
"pybind11::detail::is_copy_assignable<NotMovable>::value");
struct NotCopyable
{
NotCopyable() = default;
NotCopyable(NotCopyable const&) = delete;
NotCopyable(NotCopyable&&) = default;
NotCopyable& operator=(NotCopyable const&) = delete;
NotCopyable& operator=(NotCopyable&&) = default;
};
static_assert(std::is_move_constructible<NotCopyable>::value,
"std::is_move_constructible<NotCopyable>::value");
static_assert(!std::is_copy_constructible<NotCopyable>::value,
"!std::is_copy_constructible<NotCopyable>::value");
static_assert(pybind11::detail::is_move_constructible<NotCopyable>::value,
"pybind11::detail::is_move_constructible<NotCopyable>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyable>::value,
"!pybind11::detail::is_copy_constructible<NotCopyable>::value");
static_assert(std::is_move_assignable<NotCopyable>::value,
"std::is_move_assignable<NotCopyable>::value");
static_assert(!std::is_copy_assignable<NotCopyable>::value,
"!std::is_copy_assignable<NotCopyable>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyable>::value,
// "!pybind11::detail::is_move_assignable<NotCopyable>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyable>::value,
"!pybind11::detail::is_copy_assignable<NotCopyable>::value");
struct NotCopyableNotMovable
{
NotCopyableNotMovable() = default;
NotCopyableNotMovable(NotCopyableNotMovable const&) = delete;
NotCopyableNotMovable(NotCopyableNotMovable&&) = delete;
NotCopyableNotMovable& operator=(NotCopyableNotMovable const&) = delete;
NotCopyableNotMovable& operator=(NotCopyableNotMovable&&) = delete;
};
static_assert(!std::is_move_constructible<NotCopyableNotMovable>::value,
"!std::is_move_constructible<NotCopyableNotMovable>::value");
static_assert(!std::is_copy_constructible<NotCopyableNotMovable>::value,
"!std::is_copy_constructible<NotCopyableNotMovable>::value");
static_assert(!pybind11::detail::is_move_constructible<NotCopyableNotMovable>::value,
"!pybind11::detail::is_move_constructible<NotCopyableNotMovable>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyableNotMovable>::value,
"!pybind11::detail::is_copy_constructible<NotCopyableNotMovable>::value");
static_assert(!std::is_move_assignable<NotCopyableNotMovable>::value,
"!std::is_move_assignable<NotCopyableNotMovable>::value");
static_assert(!std::is_copy_assignable<NotCopyableNotMovable>::value,
"!std::is_copy_assignable<NotCopyableNotMovable>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyableNotMovable>::value,
// "!pybind11::detail::is_move_assignable<NotCopyableNotMovable>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyableNotMovable>::value,
"!pybind11::detail::is_copy_assignable<NotCopyableNotMovable>::value");
struct NotMovableVector : std::vector<NotMovable> {};
static_assert(std::is_move_constructible<NotMovableVector>::value,
"std::is_move_constructible<NotMovableVector>::value");
static_assert(std::is_copy_constructible<NotMovableVector>::value,
"std::is_copy_constructible<NotMovableVector>::value");
static_assert(!pybind11::detail::is_move_constructible<NotMovableVector>::value,
"!pybind11::detail::is_move_constructible<NotMovableVector>::value");
static_assert(pybind11::detail::is_copy_constructible<NotMovableVector>::value,
"pybind11::detail::is_copy_constructible<NotMovableVector>::value");
static_assert(std::is_move_assignable<NotMovableVector>::value,
"std::is_move_assignable<NotMovableVector>::value");
static_assert(std::is_copy_assignable<NotMovableVector>::value,
"std::is_copy_assignable<NotMovableVector>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotMovableVector>::value,
// "!pybind11::detail::is_move_assignable<NotMovableVector>::value");
static_assert(pybind11::detail::is_copy_assignable<NotMovableVector>::value,
"pybind11::detail::is_copy_assignable<NotMovableVector>::value");
struct NotCopyableVector : std::vector<NotCopyable> {};
static_assert(std::is_move_constructible<NotCopyableVector>::value,
"std::is_move_constructible<NotCopyableVector>::value");
static_assert(std::is_copy_constructible<NotCopyableVector>::value,
"std::is_copy_constructible<NotCopyableVector>::value");
static_assert(pybind11::detail::is_move_constructible<NotCopyableVector>::value,
"pybind11::detail::is_move_constructible<NotCopyableVector>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyableVector>::value,
"!pybind11::detail::is_copy_constructible<NotCopyableVector>::value");
static_assert(std::is_move_assignable<NotCopyableVector>::value,
"std::is_move_assignable<NotCopyableVector>::value");
static_assert(std::is_copy_assignable<NotCopyableVector>::value,
"std::is_copy_assignable<NotCopyableVector>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyableVector>::value,
// "!pybind11::detail::is_move_assignable<NotCopyableVector>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyableVector>::value,
"!pybind11::detail::is_copy_assignable<NotCopyableVector>::value");
struct NotCopyableNotMovableVector : std::vector<NotCopyableNotMovable> {};
static_assert(std::is_move_constructible<NotCopyableNotMovableVector>::value,
"std::is_move_constructible<NotCopyableNotMovableVector>::value");
static_assert(std::is_copy_constructible<NotCopyableNotMovableVector>::value,
"std::is_copy_constructible<NotCopyableNotMovableVector>::value");
static_assert(!pybind11::detail::is_move_constructible<NotCopyableNotMovableVector>::value,
"!pybind11::detail::is_move_constructible<NotCopyableNotMovableVector>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyableNotMovableVector>::value,
"!pybind11::detail::is_copy_constructible<NotCopyableNotMovableVector>::value");
static_assert(std::is_move_assignable<NotCopyableNotMovableVector>::value,
"std::is_move_assignable<NotCopyableNotMovableVector>::value");
static_assert(std::is_copy_assignable<NotCopyableNotMovableVector>::value,
"std::is_copy_assignable<NotCopyableNotMovableVector>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyableNotMovableVector>::value,
// "!pybind11::detail::is_move_assignable<NotCopyableNotMovableVector>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyableNotMovableVector>::value,
"!pybind11::detail::is_copy_assignable<NotCopyableNotMovableVector>::value");
struct NotMovableMap : std::map<int, NotMovable> {};
static_assert(std::is_move_constructible<NotMovableMap>::value,
"std::is_move_constructible<NotMovableMap>::value");
static_assert(std::is_copy_constructible<NotMovableMap>::value,
"std::is_copy_constructible<NotMovableMap>::value");
static_assert(!pybind11::detail::is_move_constructible<NotMovableMap>::value,
"!pybind11::detail::is_move_constructible<NotMovableMap>::value");
static_assert(pybind11::detail::is_copy_constructible<NotMovableMap>::value,
"pybind11::detail::is_copy_constructible<NotMovableMap>::value");
static_assert(std::is_move_assignable<NotMovableMap>::value,
"std::is_move_assignable<NotMovableMap>::value");
static_assert(std::is_copy_assignable<NotMovableMap>::value,
"std::is_copy_assignable<NotMovableMap>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotMovableMap>::value,
// "!pybind11::detail::is_move_assignable<NotMovableMap>::value");
static_assert(pybind11::detail::is_copy_assignable<NotMovableMap>::value,
"pybind11::detail::is_copy_assignable<NotMovableMap>::value");
struct NotCopyableMap : std::map<int, NotCopyable> {};
static_assert(std::is_move_constructible<NotCopyableMap>::value,
"std::is_move_constructible<NotCopyableMap>::value");
static_assert(std::is_copy_constructible<NotCopyableMap>::value,
"std::is_copy_constructible<NotCopyableMap>::value");
static_assert(pybind11::detail::is_move_constructible<NotCopyableMap>::value,
"pybind11::detail::is_move_constructible<NotCopyableMap>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyableMap>::value,
"!pybind11::detail::is_copy_constructible<NotCopyableMap>::value");
static_assert(std::is_move_assignable<NotCopyableMap>::value,
"std::is_move_assignable<NotCopyableMap>::value");
static_assert(std::is_copy_assignable<NotCopyableMap>::value,
"std::is_copy_assignable<NotCopyableMap>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyableMap>::value,
// "!pybind11::detail::is_move_assignable<NotCopyableMap>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyableMap>::value,
"!pybind11::detail::is_copy_assignable<NotCopyableMap>::value");
struct NotCopyableNotMovableMap : std::map<int, NotCopyableNotMovable> {};
static_assert(std::is_move_constructible<NotCopyableNotMovableMap>::value,
"std::is_move_constructible<NotCopyableNotMovableMap>::value");
static_assert(std::is_copy_constructible<NotCopyableNotMovableMap>::value,
"std::is_copy_constructible<NotCopyableNotMovableMap>::value");
static_assert(!pybind11::detail::is_move_constructible<NotCopyableNotMovableMap>::value,
"!pybind11::detail::is_move_constructible<NotCopyableNotMovableMap>::value");
static_assert(!pybind11::detail::is_copy_constructible<NotCopyableNotMovableMap>::value,
"!pybind11::detail::is_copy_constructible<NotCopyableNotMovableMap>::value");
static_assert(std::is_move_assignable<NotCopyableNotMovableMap>::value,
"std::is_move_assignable<NotCopyableNotMovableMap>::value");
static_assert(std::is_copy_assignable<NotCopyableNotMovableMap>::value,
"std::is_copy_assignable<NotCopyableNotMovableMap>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<NotCopyableNotMovableMap>::value,
// "!pybind11::detail::is_move_assignable<NotCopyableNotMovableMap>::value");
static_assert(!pybind11::detail::is_copy_assignable<NotCopyableNotMovableMap>::value,
"!pybind11::detail::is_copy_assignable<NotCopyableNotMovableMap>::value");
struct RecursiveVector : std::vector<RecursiveVector> {};
static_assert(std::is_move_constructible<RecursiveVector>::value,
"std::is_move_constructible<RecursiveVector>::value");
static_assert(std::is_copy_constructible<RecursiveVector>::value,
"std::is_copy_constructible<RecursiveVector>::value");
static_assert(pybind11::detail::is_move_constructible<RecursiveVector>::value,
"pybind11::detail::is_move_constructible<RecursiveVector>::value");
static_assert(pybind11::detail::is_copy_constructible<RecursiveVector>::value,
"pybind11::detail::is_copy_constructible<RecursiveVector>::value");
static_assert(std::is_move_assignable<RecursiveVector>::value,
"std::is_move_assignable<RecursiveVector>::value");
static_assert(std::is_copy_assignable<RecursiveVector>::value,
"std::is_copy_assignable<RecursiveVector>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<RecursiveVector>::value,
// "!pybind11::detail::is_move_assignable<RecursiveVector>::value");
static_assert(pybind11::detail::is_copy_assignable<RecursiveVector>::value,
"pybind11::detail::is_copy_assignable<RecursiveVector>::value");
struct RecursiveMap : std::map<int, RecursiveMap> {};
static_assert(std::is_move_constructible<RecursiveMap>::value,
"std::is_move_constructible<RecursiveMap>::value");
static_assert(std::is_copy_constructible<RecursiveMap>::value,
"std::is_copy_constructible<RecursiveMap>::value");
static_assert(pybind11::detail::is_move_constructible<RecursiveMap>::value,
"pybind11::detail::is_move_constructible<RecursiveMap>::value");
static_assert(pybind11::detail::is_copy_constructible<RecursiveMap>::value,
"pybind11::detail::is_copy_constructible<RecursiveMap>::value");
static_assert(std::is_move_assignable<RecursiveMap>::value,
"std::is_move_assignable<RecursiveMap>::value");
static_assert(std::is_copy_assignable<RecursiveMap>::value,
"std::is_copy_assignable<RecursiveMap>::value");
// pybind11 does not have this
// static_assert(!pybind11::detail::is_move_assignable<RecursiveMap>::value,
// "!pybind11::detail::is_move_assignable<RecursiveMap>::value");
static_assert(pybind11::detail::is_copy_assignable<RecursiveMap>::value,
"pybind11::detail::is_copy_assignable<RecursiveMap>::value");
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