1*d4514f0bSApple OSS Distributions // 2*d4514f0bSApple OSS Distributions // Tests for 3*d4514f0bSApple OSS Distributions // pointer get() const noexcept; 4*d4514f0bSApple OSS Distributions // 5*d4514f0bSApple OSS Distributions 6*d4514f0bSApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*d4514f0bSApple OSS Distributions #include "test_policy.h" 8*d4514f0bSApple OSS Distributions #include <darwintest.h> 9*d4514f0bSApple OSS Distributions #include <utility> 10*d4514f0bSApple OSS Distributions 11*d4514f0bSApple OSS Distributions struct T { 12*d4514f0bSApple OSS Distributions int i; 13*d4514f0bSApple OSS Distributions }; 14*d4514f0bSApple OSS Distributions 15*d4514f0bSApple OSS Distributions template <typename T> 16*d4514f0bSApple OSS Distributions static constexpr auto can_call_get_on_temporary(int)17*d4514f0bSApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*d4514f0bSApple OSS Distributions { 19*d4514f0bSApple OSS Distributions return true; 20*d4514f0bSApple OSS Distributions } 21*d4514f0bSApple OSS Distributions 22*d4514f0bSApple OSS Distributions template <typename T> 23*d4514f0bSApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*d4514f0bSApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*d4514f0bSApple OSS Distributions { 26*d4514f0bSApple OSS Distributions return false; 27*d4514f0bSApple OSS Distributions } 28*d4514f0bSApple OSS Distributions 29*d4514f0bSApple OSS Distributions template <typename T> 30*d4514f0bSApple OSS Distributions static void tests()31*d4514f0bSApple OSS Distributionstests() 32*d4514f0bSApple OSS Distributions { 33*d4514f0bSApple OSS Distributions { 34*d4514f0bSApple OSS Distributions T obj{3}; 35*d4514f0bSApple OSS Distributions tracking_policy::reset(); 36*d4514f0bSApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*d4514f0bSApple OSS Distributions T* raw = ptr.get(); 38*d4514f0bSApple OSS Distributions CHECK(raw == &obj); 39*d4514f0bSApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*d4514f0bSApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*d4514f0bSApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*d4514f0bSApple OSS Distributions } 43*d4514f0bSApple OSS Distributions 44*d4514f0bSApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*d4514f0bSApple OSS Distributions } 46*d4514f0bSApple OSS Distributions 47*d4514f0bSApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get", T_META_TAG_VM_PREFERRED) { 48*d4514f0bSApple OSS Distributions tests<T>(); 49*d4514f0bSApple OSS Distributions tests<T const>(); 50*d4514f0bSApple OSS Distributions } 51