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#if ISPTR_USE_MODULES
import isptr;
#else
#include <intrusive_shared_ptr/ref_counted.h>
#include <intrusive_shared_ptr/refcnt_ptr.h>
#endif
#include <doctest/doctest.h>
#include <type_traits>
#include <cstdint>
using namespace isptr;
namespace
{
bool counted_add_ref_called = false;
bool counted_sub_ref_called = false;
bool counted_destroy_called = false;
bool make_weak_reference_called = false;
bool get_weak_value_called = false;
class abstract_weak_reference;
class abstract_ref_counted : public ref_counted<abstract_ref_counted,
ref_counted_flags::provide_weak_references |
ref_counted_flags::single_threaded>
{
friend ref_counted;
public:
virtual void add_ref() const noexcept final
{
counted_add_ref_called = true;
ref_counted::add_ref();
}
virtual void sub_ref() const noexcept final
{
counted_sub_ref_called = true;
ref_counted::sub_ref();
}
protected:
virtual ~abstract_ref_counted() noexcept
{}
virtual void destroy() const noexcept
{
counted_destroy_called = true;
ref_counted::destroy();
}
virtual abstract_weak_reference * make_weak_reference(intptr_t count) const;
virtual const weak_reference<abstract_ref_counted> * get_weak_value() const
{
get_weak_value_called = true;
return ref_counted::get_weak_value();
}
};
bool weak_add_ref_called = false;
bool weak_sub_ref_called = false;
bool weak_destroy_called = false;
bool add_owner_ref_called = false;
bool sub_owner_ref_called = false;
bool lock_owner_called = false;
bool on_owner_destruction_called = false;
class abstract_weak_reference : public weak_reference<abstract_ref_counted>
{
friend weak_reference;
friend abstract_ref_counted;
public:
virtual void add_ref() const noexcept final
{
weak_add_ref_called = true;
weak_reference::add_ref();
}
virtual void sub_ref() const noexcept final
{
weak_sub_ref_called = true;
weak_reference::sub_ref();
}
protected:
virtual ~abstract_weak_reference() noexcept
{}
virtual void destroy() const noexcept
{
weak_destroy_called = true;
weak_reference::destroy();
}
private:
abstract_weak_reference(intptr_t count, abstract_ref_counted * owner):
weak_reference(count, owner)
{}
virtual void add_owner_ref() noexcept
{
add_owner_ref_called = true;
weak_reference::add_owner_ref();
}
virtual void sub_owner_ref() noexcept
{
sub_owner_ref_called = true;
weak_reference::sub_owner_ref();
}
virtual abstract_ref_counted * lock_owner() const noexcept
{
lock_owner_called = true;
return static_cast<abstract_ref_counted *>(weak_reference::lock_owner());
}
virtual void on_owner_destruction() const noexcept
{
on_owner_destruction_called = true;
}
};
inline auto abstract_ref_counted::make_weak_reference(intptr_t count) const -> abstract_weak_reference *
{
make_weak_reference_called = true;
return new abstract_weak_reference(count, const_cast<abstract_ref_counted *>(this));
}
class simple : public abstract_ref_counted
{
};
}
TEST_SUITE("abstract_ref_counted_st") {
TEST_CASE( "Abstract ref counted st works" ) {
SUBCASE( "Simple" ) {
auto p = refcnt_attach(new simple());
decltype(p) p1 = p;
p1.reset();
auto w = weak_cast(p);
static_assert(std::is_same_v<decltype(w)::element_type, weak_reference<abstract_ref_counted>>, "invalid weak reference type");
auto w1 = p->get_weak_ptr();
static_assert(std::is_same_v<decltype(w1)::element_type, weak_reference<abstract_ref_counted>>, "invalid weak reference type");
auto p2 = strong_cast(w);
auto p3 = p2;
static_assert(std::is_same_v<decltype(p2)::element_type, abstract_ref_counted>, "invalid weak reference type");
p.reset();
p2.reset();
p3.reset();
w.reset();
w1.reset();
CHECK(counted_add_ref_called);
CHECK(counted_sub_ref_called);
CHECK(counted_destroy_called);
CHECK(make_weak_reference_called);
CHECK(get_weak_value_called);
CHECK(weak_add_ref_called);
CHECK(weak_sub_ref_called);
CHECK(weak_destroy_called);
CHECK(add_owner_ref_called);
CHECK(sub_owner_ref_called);
CHECK(lock_owner_called);
CHECK(on_owner_destruction_called);
}
}
}
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