1*4f1223e8SApple OSS Distributions // 2*4f1223e8SApple OSS Distributions // Tests for 3*4f1223e8SApple OSS Distributions // pointer get() const noexcept; 4*4f1223e8SApple OSS Distributions // 5*4f1223e8SApple OSS Distributions 6*4f1223e8SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*4f1223e8SApple OSS Distributions #include "test_policy.h" 8*4f1223e8SApple OSS Distributions #include <darwintest.h> 9*4f1223e8SApple OSS Distributions #include <utility> 10*4f1223e8SApple OSS Distributions 11*4f1223e8SApple OSS Distributions struct T { 12*4f1223e8SApple OSS Distributions int i; 13*4f1223e8SApple OSS Distributions }; 14*4f1223e8SApple OSS Distributions 15*4f1223e8SApple OSS Distributions template <typename T> 16*4f1223e8SApple OSS Distributions static constexpr auto can_call_get_on_temporary(int)17*4f1223e8SApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*4f1223e8SApple OSS Distributions { 19*4f1223e8SApple OSS Distributions return true; 20*4f1223e8SApple OSS Distributions } 21*4f1223e8SApple OSS Distributions 22*4f1223e8SApple OSS Distributions template <typename T> 23*4f1223e8SApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*4f1223e8SApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*4f1223e8SApple OSS Distributions { 26*4f1223e8SApple OSS Distributions return false; 27*4f1223e8SApple OSS Distributions } 28*4f1223e8SApple OSS Distributions 29*4f1223e8SApple OSS Distributions template <typename T> 30*4f1223e8SApple OSS Distributions static void tests()31*4f1223e8SApple OSS Distributionstests() 32*4f1223e8SApple OSS Distributions { 33*4f1223e8SApple OSS Distributions { 34*4f1223e8SApple OSS Distributions T obj{3}; 35*4f1223e8SApple OSS Distributions tracking_policy::reset(); 36*4f1223e8SApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*4f1223e8SApple OSS Distributions T* raw = ptr.get(); 38*4f1223e8SApple OSS Distributions CHECK(raw == &obj); 39*4f1223e8SApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*4f1223e8SApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*4f1223e8SApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*4f1223e8SApple OSS Distributions } 43*4f1223e8SApple OSS Distributions 44*4f1223e8SApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*4f1223e8SApple OSS Distributions } 46*4f1223e8SApple OSS Distributions 47*4f1223e8SApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get", T_META_TAG_VM_PREFERRED) { 48*4f1223e8SApple OSS Distributions tests<T>(); 49*4f1223e8SApple OSS Distributions tests<T const>(); 50*4f1223e8SApple OSS Distributions } 51