1*4d495c6eSApple OSS Distributions // 2*4d495c6eSApple OSS Distributions // Tests for 3*4d495c6eSApple OSS Distributions // pointer get() const noexcept; 4*4d495c6eSApple OSS Distributions // 5*4d495c6eSApple OSS Distributions 6*4d495c6eSApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*4d495c6eSApple OSS Distributions #include "test_policy.h" 8*4d495c6eSApple OSS Distributions #include <darwintest.h> 9*4d495c6eSApple OSS Distributions #include <utility> 10*4d495c6eSApple OSS Distributions 11*4d495c6eSApple OSS Distributions struct T { 12*4d495c6eSApple OSS Distributions int i; 13*4d495c6eSApple OSS Distributions }; 14*4d495c6eSApple OSS Distributions 15*4d495c6eSApple OSS Distributions template <typename T> 16*4d495c6eSApple OSS Distributions static constexpr auto can_call_get_on_temporary(int)17*4d495c6eSApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*4d495c6eSApple OSS Distributions { 19*4d495c6eSApple OSS Distributions return true; 20*4d495c6eSApple OSS Distributions } 21*4d495c6eSApple OSS Distributions 22*4d495c6eSApple OSS Distributions template <typename T> 23*4d495c6eSApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*4d495c6eSApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*4d495c6eSApple OSS Distributions { 26*4d495c6eSApple OSS Distributions return false; 27*4d495c6eSApple OSS Distributions } 28*4d495c6eSApple OSS Distributions 29*4d495c6eSApple OSS Distributions template <typename T> 30*4d495c6eSApple OSS Distributions static void tests()31*4d495c6eSApple OSS Distributionstests() 32*4d495c6eSApple OSS Distributions { 33*4d495c6eSApple OSS Distributions { 34*4d495c6eSApple OSS Distributions T obj{3}; 35*4d495c6eSApple OSS Distributions tracking_policy::reset(); 36*4d495c6eSApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*4d495c6eSApple OSS Distributions T* raw = ptr.get(); 38*4d495c6eSApple OSS Distributions CHECK(raw == &obj); 39*4d495c6eSApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*4d495c6eSApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*4d495c6eSApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*4d495c6eSApple OSS Distributions } 43*4d495c6eSApple OSS Distributions 44*4d495c6eSApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*4d495c6eSApple OSS Distributions } 46*4d495c6eSApple OSS Distributions 47*4d495c6eSApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get", T_META_TAG_VM_PREFERRED) { 48*4d495c6eSApple OSS Distributions tests<T>(); 49*4d495c6eSApple OSS Distributions tests<T const>(); 50*4d495c6eSApple OSS Distributions } 51