1*e3723e1fSApple OSS Distributions // 2*e3723e1fSApple OSS Distributions // Tests for 3*e3723e1fSApple OSS Distributions // explicit constexpr operator bool() 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 <type_traits> 8*e3723e1fSApple OSS Distributions #include <darwintest.h> 9*e3723e1fSApple OSS Distributions #include "test_policy.h" 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 void tests()17*e3723e1fSApple OSS Distributionstests() 18*e3723e1fSApple OSS Distributions { 19*e3723e1fSApple OSS Distributions T obj{3}; 20*e3723e1fSApple OSS Distributions 21*e3723e1fSApple OSS Distributions { 22*e3723e1fSApple OSS Distributions test_shared_ptr<T> const ptr(&obj, libkern::no_retain); 23*e3723e1fSApple OSS Distributions CHECK(static_cast<bool>(ptr)); 24*e3723e1fSApple OSS Distributions if (ptr) { 25*e3723e1fSApple OSS Distributions } else { 26*e3723e1fSApple OSS Distributions CHECK(false); 27*e3723e1fSApple OSS Distributions } 28*e3723e1fSApple OSS Distributions } 29*e3723e1fSApple OSS Distributions 30*e3723e1fSApple OSS Distributions { 31*e3723e1fSApple OSS Distributions test_shared_ptr<T> const ptr = nullptr; 32*e3723e1fSApple OSS Distributions CHECK(!static_cast<bool>(ptr)); 33*e3723e1fSApple OSS Distributions if (!ptr) { 34*e3723e1fSApple OSS Distributions } else { 35*e3723e1fSApple OSS Distributions CHECK(false); 36*e3723e1fSApple OSS Distributions } 37*e3723e1fSApple OSS Distributions } 38*e3723e1fSApple OSS Distributions 39*e3723e1fSApple OSS Distributions static_assert(!std::is_convertible_v<test_shared_ptr<T>, bool>); 40*e3723e1fSApple OSS Distributions } 41*e3723e1fSApple OSS Distributions 42*e3723e1fSApple OSS Distributions T_DECL(operator_bool, "intrusive_shared_ptr.operator.bool", T_META_TAG_VM_PREFERRED) { 43*e3723e1fSApple OSS Distributions tests<T>(); 44*e3723e1fSApple OSS Distributions tests<T const>(); 45*e3723e1fSApple OSS Distributions } 46