1*4d495c6eSApple OSS Distributions // 2*4d495c6eSApple OSS Distributions // Tests for 3*4d495c6eSApple OSS Distributions // explicit constexpr operator bool() const noexcept; 4*4d495c6eSApple OSS Distributions // 5*4d495c6eSApple OSS Distributions 6*4d495c6eSApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*4d495c6eSApple OSS Distributions #include <type_traits> 8*4d495c6eSApple OSS Distributions #include <darwintest.h> 9*4d495c6eSApple OSS Distributions #include "test_policy.h" 10*4d495c6eSApple OSS Distributions 11*4d495c6eSApple OSS Distributions struct T { 12*4d495c6eSApple OSS Distributions int i; 13*4d495c6eSApple OSS Distributions }; 14*4d495c6eSApple OSS Distributions 15*4d495c6eSApple OSS Distributions template <typename T> 16*4d495c6eSApple OSS Distributions static void tests()17*4d495c6eSApple OSS Distributionstests() 18*4d495c6eSApple OSS Distributions { 19*4d495c6eSApple OSS Distributions T obj{3}; 20*4d495c6eSApple OSS Distributions 21*4d495c6eSApple OSS Distributions { 22*4d495c6eSApple OSS Distributions test_shared_ptr<T> const ptr(&obj, libkern::no_retain); 23*4d495c6eSApple OSS Distributions CHECK(static_cast<bool>(ptr)); 24*4d495c6eSApple OSS Distributions if (ptr) { 25*4d495c6eSApple OSS Distributions } else { 26*4d495c6eSApple OSS Distributions CHECK(false); 27*4d495c6eSApple OSS Distributions } 28*4d495c6eSApple OSS Distributions } 29*4d495c6eSApple OSS Distributions 30*4d495c6eSApple OSS Distributions { 31*4d495c6eSApple OSS Distributions test_shared_ptr<T> const ptr = nullptr; 32*4d495c6eSApple OSS Distributions CHECK(!static_cast<bool>(ptr)); 33*4d495c6eSApple OSS Distributions if (!ptr) { 34*4d495c6eSApple OSS Distributions } else { 35*4d495c6eSApple OSS Distributions CHECK(false); 36*4d495c6eSApple OSS Distributions } 37*4d495c6eSApple OSS Distributions } 38*4d495c6eSApple OSS Distributions 39*4d495c6eSApple OSS Distributions static_assert(!std::is_convertible_v<test_shared_ptr<T>, bool>); 40*4d495c6eSApple OSS Distributions } 41*4d495c6eSApple OSS Distributions 42*4d495c6eSApple OSS Distributions T_DECL(operator_bool, "intrusive_shared_ptr.operator.bool", T_META_TAG_VM_PREFERRED) { 43*4d495c6eSApple OSS Distributions tests<T>(); 44*4d495c6eSApple OSS Distributions tests<T const>(); 45*4d495c6eSApple OSS Distributions } 46