1*43a90889SApple OSS Distributions // 2*43a90889SApple OSS Distributions // Tests for 3*43a90889SApple OSS Distributions // explicit operator bool() const; 4*43a90889SApple OSS Distributions // 5*43a90889SApple OSS Distributions 6*43a90889SApple OSS Distributions #include <libkern/c++/safe_allocation.h> 7*43a90889SApple OSS Distributions #include <darwintest.h> 8*43a90889SApple OSS Distributions #include "test_utils.h" 9*43a90889SApple OSS Distributions #include <type_traits> 10*43a90889SApple OSS Distributions 11*43a90889SApple OSS Distributions struct T { 12*43a90889SApple OSS Distributions int i; 13*43a90889SApple OSS Distributions }; 14*43a90889SApple OSS Distributions 15*43a90889SApple OSS Distributions template <typename T> 16*43a90889SApple OSS Distributions static void tests()17*43a90889SApple OSS Distributionstests() 18*43a90889SApple OSS Distributions { 19*43a90889SApple OSS Distributions { 20*43a90889SApple OSS Distributions test_safe_allocation<T> const array(10, libkern::allocate_memory); 21*43a90889SApple OSS Distributions CHECK(static_cast<bool>(array)); 22*43a90889SApple OSS Distributions if (array) { 23*43a90889SApple OSS Distributions } else { 24*43a90889SApple OSS Distributions CHECK(FALSE); 25*43a90889SApple OSS Distributions } 26*43a90889SApple OSS Distributions } 27*43a90889SApple OSS Distributions { 28*43a90889SApple OSS Distributions test_safe_allocation<T> const array = nullptr; 29*43a90889SApple OSS Distributions CHECK(!static_cast<bool>(array)); 30*43a90889SApple OSS Distributions if (!array) { 31*43a90889SApple OSS Distributions } else { 32*43a90889SApple OSS Distributions CHECK(FALSE); 33*43a90889SApple OSS Distributions } 34*43a90889SApple OSS Distributions } 35*43a90889SApple OSS Distributions 36*43a90889SApple OSS Distributions static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>); 37*43a90889SApple OSS Distributions } 38*43a90889SApple OSS Distributions 39*43a90889SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool", T_META_TAG_VM_PREFERRED) { 40*43a90889SApple OSS Distributions tests<T>(); 41*43a90889SApple OSS Distributions tests<T const>(); 42*43a90889SApple OSS Distributions } 43