1*e3723e1fSApple OSS Distributions // 2*e3723e1fSApple OSS Distributions // Tests for 3*e3723e1fSApple OSS Distributions // size_t size() const; 4*e3723e1fSApple OSS Distributions // 5*e3723e1fSApple OSS Distributions 6*e3723e1fSApple OSS Distributions #include <libkern/c++/safe_allocation.h> 7*e3723e1fSApple OSS Distributions #include <darwintest.h> 8*e3723e1fSApple OSS Distributions #include "test_utils.h" 9*e3723e1fSApple OSS Distributions #include <cstddef> 10*e3723e1fSApple OSS Distributions #include <type_traits> 11*e3723e1fSApple OSS Distributions #include <utility> 12*e3723e1fSApple OSS Distributions 13*e3723e1fSApple OSS Distributions struct T { 14*e3723e1fSApple OSS Distributions int i; 15*e3723e1fSApple OSS Distributions }; 16*e3723e1fSApple OSS Distributions 17*e3723e1fSApple OSS Distributions template <typename T> 18*e3723e1fSApple OSS Distributions static void tests()19*e3723e1fSApple OSS Distributionstests() 20*e3723e1fSApple OSS Distributions { 21*e3723e1fSApple OSS Distributions { 22*e3723e1fSApple OSS Distributions test_safe_allocation<T> const array(10, libkern::allocate_memory); 23*e3723e1fSApple OSS Distributions CHECK(array.size() == 10); 24*e3723e1fSApple OSS Distributions } 25*e3723e1fSApple OSS Distributions { 26*e3723e1fSApple OSS Distributions T* memory = reinterpret_cast<T*>(malloc_allocator::allocate(10 * sizeof(T))); 27*e3723e1fSApple OSS Distributions test_safe_allocation<T> const array(memory, 10, libkern::adopt_memory); 28*e3723e1fSApple OSS Distributions CHECK(array.size() == 10); 29*e3723e1fSApple OSS Distributions } 30*e3723e1fSApple OSS Distributions { 31*e3723e1fSApple OSS Distributions test_safe_allocation<T> const array(nullptr, 0, libkern::adopt_memory); 32*e3723e1fSApple OSS Distributions CHECK(array.size() == 0); 33*e3723e1fSApple OSS Distributions } 34*e3723e1fSApple OSS Distributions { 35*e3723e1fSApple OSS Distributions test_safe_allocation<T> const array; 36*e3723e1fSApple OSS Distributions CHECK(array.size() == 0); 37*e3723e1fSApple OSS Distributions } 38*e3723e1fSApple OSS Distributions 39*e3723e1fSApple OSS Distributions { 40*e3723e1fSApple OSS Distributions using Size = decltype(std::declval<test_safe_allocation<T> const&>().size()); 41*e3723e1fSApple OSS Distributions static_assert(std::is_same_v<Size, std::size_t>); 42*e3723e1fSApple OSS Distributions } 43*e3723e1fSApple OSS Distributions } 44*e3723e1fSApple OSS Distributions 45*e3723e1fSApple OSS Distributions T_DECL(size, "safe_allocation.size", T_META_TAG_VM_PREFERRED) { 46*e3723e1fSApple OSS Distributions tests<T>(); 47*e3723e1fSApple OSS Distributions tests<T const>(); 48*e3723e1fSApple OSS Distributions } 49