1*a1e26a70SApple OSS Distributions // 2*a1e26a70SApple OSS Distributions // Tests for 3*a1e26a70SApple OSS Distributions // size_t size() const; 4*a1e26a70SApple OSS Distributions // 5*a1e26a70SApple OSS Distributions 6*a1e26a70SApple OSS Distributions #include <libkern/c++/safe_allocation.h> 7*a1e26a70SApple OSS Distributions #include <darwintest.h> 8*a1e26a70SApple OSS Distributions #include "test_utils.h" 9*a1e26a70SApple OSS Distributions #include <cstddef> 10*a1e26a70SApple OSS Distributions #include <type_traits> 11*a1e26a70SApple OSS Distributions #include <utility> 12*a1e26a70SApple OSS Distributions 13*a1e26a70SApple OSS Distributions struct T { 14*a1e26a70SApple OSS Distributions int i; 15*a1e26a70SApple OSS Distributions }; 16*a1e26a70SApple OSS Distributions 17*a1e26a70SApple OSS Distributions template <typename T> 18*a1e26a70SApple OSS Distributions static void tests()19*a1e26a70SApple OSS Distributionstests() 20*a1e26a70SApple OSS Distributions { 21*a1e26a70SApple OSS Distributions { 22*a1e26a70SApple OSS Distributions test_safe_allocation<T> const array(10, libkern::allocate_memory); 23*a1e26a70SApple OSS Distributions CHECK(array.size() == 10); 24*a1e26a70SApple OSS Distributions } 25*a1e26a70SApple OSS Distributions { 26*a1e26a70SApple OSS Distributions T* memory = reinterpret_cast<T*>(malloc_allocator::allocate(10 * sizeof(T))); 27*a1e26a70SApple OSS Distributions test_safe_allocation<T> const array(memory, 10, libkern::adopt_memory); 28*a1e26a70SApple OSS Distributions CHECK(array.size() == 10); 29*a1e26a70SApple OSS Distributions } 30*a1e26a70SApple OSS Distributions { 31*a1e26a70SApple OSS Distributions test_safe_allocation<T> const array(nullptr, 0, libkern::adopt_memory); 32*a1e26a70SApple OSS Distributions CHECK(array.size() == 0); 33*a1e26a70SApple OSS Distributions } 34*a1e26a70SApple OSS Distributions { 35*a1e26a70SApple OSS Distributions test_safe_allocation<T> const array; 36*a1e26a70SApple OSS Distributions CHECK(array.size() == 0); 37*a1e26a70SApple OSS Distributions } 38*a1e26a70SApple OSS Distributions 39*a1e26a70SApple OSS Distributions { 40*a1e26a70SApple OSS Distributions using Size = decltype(std::declval<test_safe_allocation<T> const&>().size()); 41*a1e26a70SApple OSS Distributions static_assert(std::is_same_v<Size, std::size_t>); 42*a1e26a70SApple OSS Distributions } 43*a1e26a70SApple OSS Distributions } 44*a1e26a70SApple OSS Distributions 45*a1e26a70SApple OSS Distributions T_DECL(size, "safe_allocation.size", T_META_TAG_VM_PREFERRED) { 46*a1e26a70SApple OSS Distributions tests<T>(); 47*a1e26a70SApple OSS Distributions tests<T const>(); 48*a1e26a70SApple OSS Distributions } 49