xref: /xnu-10063.101.15/tests/intrusive_shared_ptr_src/deref.cpp (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions //
2*94d3b452SApple OSS Distributions // Tests for
3*94d3b452SApple OSS Distributions //  T& operator*() const noexcept;
4*94d3b452SApple OSS Distributions //  T* operator->() const noexcept;
5*94d3b452SApple OSS Distributions //
6*94d3b452SApple OSS Distributions 
7*94d3b452SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h>
8*94d3b452SApple OSS Distributions #include <darwintest.h>
9*94d3b452SApple OSS Distributions #include "test_policy.h"
10*94d3b452SApple OSS Distributions 
11*94d3b452SApple OSS Distributions struct T {
12*94d3b452SApple OSS Distributions 	int i;
13*94d3b452SApple OSS Distributions };
14*94d3b452SApple OSS Distributions 
15*94d3b452SApple OSS Distributions template <typename T>
16*94d3b452SApple OSS Distributions static void
tests()17*94d3b452SApple OSS Distributions tests()
18*94d3b452SApple OSS Distributions {
19*94d3b452SApple OSS Distributions 	T obj{3};
20*94d3b452SApple OSS Distributions 	tracked_shared_ptr<T> ptr(&obj, libkern::no_retain);
21*94d3b452SApple OSS Distributions 
22*94d3b452SApple OSS Distributions 	{
23*94d3b452SApple OSS Distributions 		T& ref = *ptr;
24*94d3b452SApple OSS Distributions 		CHECK(&ref == &obj);
25*94d3b452SApple OSS Distributions 		CHECK(ref.i == 3);
26*94d3b452SApple OSS Distributions 	}
27*94d3b452SApple OSS Distributions 
28*94d3b452SApple OSS Distributions 	{
29*94d3b452SApple OSS Distributions 		int const& ref = ptr->i;
30*94d3b452SApple OSS Distributions 		CHECK(&ref == &obj.i);
31*94d3b452SApple OSS Distributions 		CHECK(ref == 3);
32*94d3b452SApple OSS Distributions 	}
33*94d3b452SApple OSS Distributions }
34*94d3b452SApple OSS Distributions 
35*94d3b452SApple OSS Distributions T_DECL(deref, "intrusive_shared_ptr.deref") {
36*94d3b452SApple OSS Distributions 	tests<T>();
37*94d3b452SApple OSS Distributions 	tests<T const>();
38*94d3b452SApple OSS Distributions }
39