1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <experimental/memory_resource> 13 14 // template <class T> class polymorphic_allocator 15 16 // T* polymorphic_allocator<T>::deallocate(T*, size_t size) 17 18 int AssertCount = 0; 19 20 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (void)::AssertCount++) 21 #define _LIBCPP_DEBUG 0 22 #include <experimental/memory_resource> 23 #include <type_traits> 24 #include <cassert> 25 26 #include "test_memory_resource.hpp" 27 28 namespace ex = std::experimental::pmr; 29 30 int main() 31 { 32 using Alloc = NullAllocator<char>; 33 using R = ex::resource_adaptor<Alloc>; 34 AllocController P; 35 ex::resource_adaptor<Alloc> r(Alloc{P}); 36 ex::memory_resource & m1 = r; 37 38 std::size_t maxSize = std::numeric_limits<std::size_t>::max() 39 - alignof(std::max_align_t); 40 41 m1.deallocate(nullptr, maxSize); 42 assert(AssertCount == 0); 43 m1.deallocate(nullptr, maxSize + 1); 44 assert(AssertCount >= 1); 45 } 46