[apple/xnu.git] / tests / intrusive_shared_ptr_src / deref.cpp

//
// Tests for
//  T& operator*() const noexcept;
//  T* operator->() const noexcept;
//

#include <libkern/c++/intrusive_shared_ptr.h>
#include <darwintest.h>
#include "test_policy.h"

struct T {
	int i;
};

template <typename T>
static void
tests()
{
	T obj{3};
	tracked_shared_ptr<T> ptr(&obj, libkern::no_retain);

	{
		T& ref = *ptr;
		CHECK(&ref == &obj);
		CHECK(ref.i == 3);
	}

	{
		int const& ref = ptr->i;
		CHECK(&ref == &obj.i);
		CHECK(ref == 3);
	}
}

T_DECL(deref, "intrusive_shared_ptr.deref") {
	tests<T>();
	tests<T const>();
}
Commit	Line	Data
f427ee49 A	1	//
	2	// Tests for
	3	// T& operator*() const noexcept;
	4	// T* operator->() const noexcept;
	5	//
	6
	7	#include <libkern/c++/intrusive_shared_ptr.h>
	8	#include <darwintest.h>
	9	#include "test_policy.h"
	10
	11	struct T {
	12	int i;
	13	};
	14
	15	template <typename T>
	16	static void
	17	tests()
	18	{
	19	T obj{3};
	20	tracked_shared_ptr<T> ptr(&obj, libkern::no_retain);
	21
	22	{
	23	T& ref = *ptr;
	24	CHECK(&ref == &obj);
	25	CHECK(ref.i == 3);
	26	}
	27
	28	{
	29	int const& ref = ptr->i;
	30	CHECK(&ref == &obj.i);
	31	CHECK(ref == 3);
	32	}
	33	}
	34
	35	T_DECL(deref, "intrusive_shared_ptr.deref") {
	36	tests<T>();
	37	tests<T const>();
	38	}