1*27b03b36SApple OSS Distributions // 2*27b03b36SApple OSS Distributions // Tests for 3*27b03b36SApple OSS Distributions // pointer get() const noexcept; 4*27b03b36SApple OSS Distributions // 5*27b03b36SApple OSS Distributions 6*27b03b36SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*27b03b36SApple OSS Distributions #include "test_policy.h" 8*27b03b36SApple OSS Distributions #include <darwintest.h> 9*27b03b36SApple OSS Distributions #include <utility> 10*27b03b36SApple OSS Distributions 11*27b03b36SApple OSS Distributions struct T { 12*27b03b36SApple OSS Distributions int i; 13*27b03b36SApple OSS Distributions }; 14*27b03b36SApple OSS Distributions 15*27b03b36SApple OSS Distributions template <typename T> 16*27b03b36SApple OSS Distributions static constexpr auto can_call_get_on_temporary(int)17*27b03b36SApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*27b03b36SApple OSS Distributions { 19*27b03b36SApple OSS Distributions return true; 20*27b03b36SApple OSS Distributions } 21*27b03b36SApple OSS Distributions 22*27b03b36SApple OSS Distributions template <typename T> 23*27b03b36SApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*27b03b36SApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*27b03b36SApple OSS Distributions { 26*27b03b36SApple OSS Distributions return false; 27*27b03b36SApple OSS Distributions } 28*27b03b36SApple OSS Distributions 29*27b03b36SApple OSS Distributions template <typename T> 30*27b03b36SApple OSS Distributions static void tests()31*27b03b36SApple OSS Distributionstests() 32*27b03b36SApple OSS Distributions { 33*27b03b36SApple OSS Distributions { 34*27b03b36SApple OSS Distributions T obj{3}; 35*27b03b36SApple OSS Distributions tracking_policy::reset(); 36*27b03b36SApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*27b03b36SApple OSS Distributions T* raw = ptr.get(); 38*27b03b36SApple OSS Distributions CHECK(raw == &obj); 39*27b03b36SApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*27b03b36SApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*27b03b36SApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*27b03b36SApple OSS Distributions } 43*27b03b36SApple OSS Distributions 44*27b03b36SApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*27b03b36SApple OSS Distributions } 46*27b03b36SApple OSS Distributions 47*27b03b36SApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get") { 48*27b03b36SApple OSS Distributions tests<T>(); 49*27b03b36SApple OSS Distributions tests<T const>(); 50*27b03b36SApple OSS Distributions } 51