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Transferring additional comments from PR #2875.

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Ralf W. Grosse-Kunstleve 2021-02-24 11:41:15 -08:00
parent 1bafd5db5f
commit d9c13f1771
1 changed files with 15 additions and 0 deletions
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15
tests/test_smart_ptr.cpp
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@ -305,6 +305,9 @@ class type_caster<std::shared_ptr<HeldByDefaultHolder>>
#endif
TEST_SUBMODULE(smart_ptr, m) {
// Please do not interleave `struct` and `class` definitions with bindings code,
// but implement `struct`s and `class`es in the anonymous namespace above.
// This helps keeping the smart_holder branch in sync with master.
// test_smart_ptr
@ -361,11 +364,13 @@ TEST_SUBMODULE(smart_ptr, m) {
return good;
});
// test_unique_nodelete
py::class_<MyObject4, std::unique_ptr<MyObject4, py::nodelete>>(m, "MyObject4")
.def(py::init<int>())
.def_readwrite("value", &MyObject4::value)
.def_static("cleanup_all_instances", &MyObject4::cleanupAllInstances);
// test_unique_deleter
py::class_<MyObject4a, std::unique_ptr<MyObject4a, py::nodelete>>(m, "MyObject4a")
.def(py::init<int>())
.def_readwrite("value", &MyObject4a::value)
@ -374,10 +379,12 @@ TEST_SUBMODULE(smart_ptr, m) {
py::class_<MyObject4b, MyObject4a, std::unique_ptr<MyObject4b>>(m, "MyObject4b")
.def(py::init<int>());
// test_large_holder
py::class_<MyObject5, huge_unique_ptr<MyObject5>>(m, "MyObject5")
.def(py::init<int>())
.def_readwrite("value", &MyObject5::value);
// test_shared_ptr_and_references
using A = SharedPtrRef::A;
py::class_<A, std::shared_ptr<A>>(m, "A");
py::class_<SharedPtrRef, std::unique_ptr<SharedPtrRef>>(m, "SharedPtrRef")
@ -391,6 +398,7 @@ TEST_SUBMODULE(smart_ptr, m) {
.def("set_ref", [](SharedPtrRef &, const A &) { return true; })
.def("set_holder", [](SharedPtrRef &, std::shared_ptr<A>) { return true; });
// test_shared_ptr_from_this_and_references
using B = SharedFromThisRef::B;
py::class_<B, std::shared_ptr<B>>(m, "B");
py::class_<SharedFromThisRef, std::unique_ptr<SharedFromThisRef>>(m, "SharedFromThisRef")
@ -405,14 +413,17 @@ TEST_SUBMODULE(smart_ptr, m) {
.def("set_ref", [](SharedFromThisRef &, const B &) { return true; })
.def("set_holder", [](SharedFromThisRef &, std::shared_ptr<B>) { return true; });
// Issue #865: shared_from_this doesn't work with virtual inheritance
static std::shared_ptr<SharedFromThisVirt> sft(new SharedFromThisVirt());
py::class_<SharedFromThisVirt, std::shared_ptr<SharedFromThisVirt>>(m, "SharedFromThisVirt")
.def_static("get", []() { return sft.get(); });
// test_move_only_holder
py::class_<C, custom_unique_ptr<C>>(m, "TypeWithMoveOnlyHolder")
.def_static("make", []() { return custom_unique_ptr<C>(new C); })
.def_static("make_as_object", []() { return py::cast(custom_unique_ptr<C>(new C)); });
// test_holder_with_addressof_operator
using HolderWithAddressOf = shared_ptr_with_addressof_operator<TypeForHolderWithAddressOf>;
py::class_<TypeForHolderWithAddressOf, HolderWithAddressOf>(m, "TypeForHolderWithAddressOf")
.def_static("make", []() { return HolderWithAddressOf(new TypeForHolderWithAddressOf); })
@ -422,16 +433,20 @@ TEST_SUBMODULE(smart_ptr, m) {
.def("print_object_3", [](const HolderWithAddressOf &obj) { py::print(obj.get()->toString()); })
.def("print_object_4", [](const HolderWithAddressOf *obj) { py::print((*obj).get()->toString()); });
// test_move_only_holder_with_addressof_operator
using MoveOnlyHolderWithAddressOf = unique_ptr_with_addressof_operator<TypeForMoveOnlyHolderWithAddressOf>;
py::class_<TypeForMoveOnlyHolderWithAddressOf, MoveOnlyHolderWithAddressOf>(m, "TypeForMoveOnlyHolderWithAddressOf")
.def_static("make", []() { return MoveOnlyHolderWithAddressOf(new TypeForMoveOnlyHolderWithAddressOf(0)); })
.def_readwrite("value", &TypeForMoveOnlyHolderWithAddressOf::value)
.def("print_object", [](const TypeForMoveOnlyHolderWithAddressOf *obj) { py::print(obj->toString()); });
// test_smart_ptr_from_default
py::class_<HeldByDefaultHolder, std::unique_ptr<HeldByDefaultHolder>>(m, "HeldByDefaultHolder")
.def(py::init<>())
.def_static("load_shared_ptr", [](std::shared_ptr<HeldByDefaultHolder>) {});
// test_shared_ptr_gc
// #187: issue involving std::shared_ptr<> return value policy & garbage collection
py::class_<ElementBase, std::shared_ptr<ElementBase>>(m, "ElementBase");
py::class_<ElementA, ElementBase, std::shared_ptr<ElementA>>(m, "ElementA")