1*e3723e1fSApple OSS Distributions // 2*e3723e1fSApple OSS Distributions // Tests for 3*e3723e1fSApple OSS Distributions // pointer get() const noexcept; 4*e3723e1fSApple OSS Distributions // 5*e3723e1fSApple OSS Distributions 6*e3723e1fSApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*e3723e1fSApple OSS Distributions #include "test_policy.h" 8*e3723e1fSApple OSS Distributions #include <darwintest.h> 9*e3723e1fSApple OSS Distributions #include <utility> 10*e3723e1fSApple OSS Distributions 11*e3723e1fSApple OSS Distributions struct T { 12*e3723e1fSApple OSS Distributions int i; 13*e3723e1fSApple OSS Distributions }; 14*e3723e1fSApple OSS Distributions 15*e3723e1fSApple OSS Distributions template <typename T> 16*e3723e1fSApple OSS Distributions static constexpr auto can_call_get_on_temporary(int)17*e3723e1fSApple OSS Distributionscan_call_get_on_temporary(int)->decltype(std::declval<test_shared_ptr<T> >().get(), bool ()) 18*e3723e1fSApple OSS Distributions { 19*e3723e1fSApple OSS Distributions return true; 20*e3723e1fSApple OSS Distributions } 21*e3723e1fSApple OSS Distributions 22*e3723e1fSApple OSS Distributions template <typename T> 23*e3723e1fSApple OSS Distributions static constexpr auto can_call_get_on_temporary(...)24*e3723e1fSApple OSS Distributionscan_call_get_on_temporary(...)->bool 25*e3723e1fSApple OSS Distributions { 26*e3723e1fSApple OSS Distributions return false; 27*e3723e1fSApple OSS Distributions } 28*e3723e1fSApple OSS Distributions 29*e3723e1fSApple OSS Distributions template <typename T> 30*e3723e1fSApple OSS Distributions static void tests()31*e3723e1fSApple OSS Distributionstests() 32*e3723e1fSApple OSS Distributions { 33*e3723e1fSApple OSS Distributions { 34*e3723e1fSApple OSS Distributions T obj{3}; 35*e3723e1fSApple OSS Distributions tracking_policy::reset(); 36*e3723e1fSApple OSS Distributions tracked_shared_ptr<T> const ptr(&obj, libkern::retain); 37*e3723e1fSApple OSS Distributions T* raw = ptr.get(); 38*e3723e1fSApple OSS Distributions CHECK(raw == &obj); 39*e3723e1fSApple OSS Distributions CHECK(ptr.get() == raw); // ptr didn't change 40*e3723e1fSApple OSS Distributions CHECK(tracking_policy::retains == 1); 41*e3723e1fSApple OSS Distributions CHECK(tracking_policy::releases == 0); 42*e3723e1fSApple OSS Distributions } 43*e3723e1fSApple OSS Distributions 44*e3723e1fSApple OSS Distributions static_assert(!can_call_get_on_temporary<T>(int{}), ""); 45*e3723e1fSApple OSS Distributions } 46*e3723e1fSApple OSS Distributions 47*e3723e1fSApple OSS Distributions T_DECL(get, "intrusive_shared_ptr.get", T_META_TAG_VM_PREFERRED) { 48*e3723e1fSApple OSS Distributions tests<T>(); 49*e3723e1fSApple OSS Distributions tests<T const>(); 50*e3723e1fSApple OSS Distributions } 51