1*4f1223e8SApple OSS Distributions // 2*4f1223e8SApple OSS Distributions // Tests for 3*4f1223e8SApple OSS Distributions // explicit constexpr operator bool() const noexcept; 4*4f1223e8SApple OSS Distributions // 5*4f1223e8SApple OSS Distributions 6*4f1223e8SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h> 7*4f1223e8SApple OSS Distributions #include <type_traits> 8*4f1223e8SApple OSS Distributions #include <darwintest.h> 9*4f1223e8SApple OSS Distributions #include "test_policy.h" 10*4f1223e8SApple OSS Distributions 11*4f1223e8SApple OSS Distributions struct T { 12*4f1223e8SApple OSS Distributions int i; 13*4f1223e8SApple OSS Distributions }; 14*4f1223e8SApple OSS Distributions 15*4f1223e8SApple OSS Distributions template <typename T> 16*4f1223e8SApple OSS Distributions static void tests()17*4f1223e8SApple OSS Distributionstests() 18*4f1223e8SApple OSS Distributions { 19*4f1223e8SApple OSS Distributions T obj{3}; 20*4f1223e8SApple OSS Distributions 21*4f1223e8SApple OSS Distributions { 22*4f1223e8SApple OSS Distributions test_shared_ptr<T> const ptr(&obj, libkern::no_retain); 23*4f1223e8SApple OSS Distributions CHECK(static_cast<bool>(ptr)); 24*4f1223e8SApple OSS Distributions if (ptr) { 25*4f1223e8SApple OSS Distributions } else { 26*4f1223e8SApple OSS Distributions CHECK(false); 27*4f1223e8SApple OSS Distributions } 28*4f1223e8SApple OSS Distributions } 29*4f1223e8SApple OSS Distributions 30*4f1223e8SApple OSS Distributions { 31*4f1223e8SApple OSS Distributions test_shared_ptr<T> const ptr = nullptr; 32*4f1223e8SApple OSS Distributions CHECK(!static_cast<bool>(ptr)); 33*4f1223e8SApple OSS Distributions if (!ptr) { 34*4f1223e8SApple OSS Distributions } else { 35*4f1223e8SApple OSS Distributions CHECK(false); 36*4f1223e8SApple OSS Distributions } 37*4f1223e8SApple OSS Distributions } 38*4f1223e8SApple OSS Distributions 39*4f1223e8SApple OSS Distributions static_assert(!std::is_convertible_v<test_shared_ptr<T>, bool>); 40*4f1223e8SApple OSS Distributions } 41*4f1223e8SApple OSS Distributions 42*4f1223e8SApple OSS Distributions T_DECL(operator_bool, "intrusive_shared_ptr.operator.bool", T_META_TAG_VM_PREFERRED) { 43*4f1223e8SApple OSS Distributions tests<T>(); 44*4f1223e8SApple OSS Distributions tests<T const>(); 45*4f1223e8SApple OSS Distributions } 46