1*043036a2SApple OSS Distributions // 2*043036a2SApple OSS Distributions // Tests for 3*043036a2SApple OSS Distributions // explicit constexpr operator bool() const noexcept; 4*043036a2SApple OSS Distributions // 5*043036a2SApple OSS Distributions 6*043036a2SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*043036a2SApple OSS Distributions #include <type_traits> 8*043036a2SApple OSS Distributions #include <darwintest.h> 9*043036a2SApple OSS Distributions #include "test_policy.h" 10*043036a2SApple OSS Distributions 11*043036a2SApple OSS Distributions struct T { 12*043036a2SApple OSS Distributions int i; 13*043036a2SApple OSS Distributions }; 14*043036a2SApple OSS Distributions 15*043036a2SApple OSS Distributions template <typename T> 16*043036a2SApple OSS Distributions static void tests()17*043036a2SApple OSS Distributionstests() 18*043036a2SApple OSS Distributions { 19*043036a2SApple OSS Distributions T obj{3}; 20*043036a2SApple OSS Distributions 21*043036a2SApple OSS Distributions { 22*043036a2SApple OSS Distributions test_shared_ptr<T> const ptr(&obj, libkern::no_retain); 23*043036a2SApple OSS Distributions CHECK(static_cast<bool>(ptr)); 24*043036a2SApple OSS Distributions if (ptr) { 25*043036a2SApple OSS Distributions } else { 26*043036a2SApple OSS Distributions CHECK(false); 27*043036a2SApple OSS Distributions } 28*043036a2SApple OSS Distributions } 29*043036a2SApple OSS Distributions 30*043036a2SApple OSS Distributions { 31*043036a2SApple OSS Distributions test_shared_ptr<T> const ptr = nullptr; 32*043036a2SApple OSS Distributions CHECK(!static_cast<bool>(ptr)); 33*043036a2SApple OSS Distributions if (!ptr) { 34*043036a2SApple OSS Distributions } else { 35*043036a2SApple OSS Distributions CHECK(false); 36*043036a2SApple OSS Distributions } 37*043036a2SApple OSS Distributions } 38*043036a2SApple OSS Distributions 39*043036a2SApple OSS Distributions static_assert(!std::is_convertible_v<test_shared_ptr<T>, bool>); 40*043036a2SApple OSS Distributions } 41*043036a2SApple OSS Distributions 42*043036a2SApple OSS Distributions T_DECL(operator_bool, "intrusive_shared_ptr.operator.bool", T_META_TAG_VM_PREFERRED) { 43*043036a2SApple OSS Distributions tests<T>(); 44*043036a2SApple OSS Distributions tests<T const>(); 45*043036a2SApple OSS Distributions } 46