1*94d3b452SApple OSS Distributions // 2*94d3b452SApple OSS Distributions // Tests for 3*94d3b452SApple OSS Distributions // pointer get() const noexcept; 4*94d3b452SApple OSS Distributions // 5*94d3b452SApple OSS Distributions 6*94d3b452SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*94d3b452SApple OSS Distributions #include "test_policy.h" 8*94d3b452SApple OSS Distributions #include <darwintest.h> 9*94d3b452SApple OSS Distributions #include <utility> 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 constexpr auto can_call_get_on_temporary(int)17*94d3b452SApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*94d3b452SApple OSS Distributions { 19*94d3b452SApple OSS Distributions return true; 20*94d3b452SApple OSS Distributions } 21*94d3b452SApple OSS Distributions 22*94d3b452SApple OSS Distributions template <typename T> 23*94d3b452SApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*94d3b452SApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*94d3b452SApple OSS Distributions { 26*94d3b452SApple OSS Distributions return false; 27*94d3b452SApple OSS Distributions } 28*94d3b452SApple OSS Distributions 29*94d3b452SApple OSS Distributions template <typename T> 30*94d3b452SApple OSS Distributions static void tests()31*94d3b452SApple OSS Distributionstests() 32*94d3b452SApple OSS Distributions { 33*94d3b452SApple OSS Distributions { 34*94d3b452SApple OSS Distributions T obj{3}; 35*94d3b452SApple OSS Distributions tracking_policy::reset(); 36*94d3b452SApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*94d3b452SApple OSS Distributions T* raw = ptr.get(); 38*94d3b452SApple OSS Distributions CHECK(raw == &obj); 39*94d3b452SApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*94d3b452SApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*94d3b452SApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*94d3b452SApple OSS Distributions } 43*94d3b452SApple OSS Distributions 44*94d3b452SApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*94d3b452SApple OSS Distributions } 46*94d3b452SApple OSS Distributions 47*94d3b452SApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get") { 48*94d3b452SApple OSS Distributions tests<T>(); 49*94d3b452SApple OSS Distributions tests<T const>(); 50*94d3b452SApple OSS Distributions } 51