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 // <memory> 11 12 // template <class Alloc> 13 // struct allocator_traits 14 // { 15 // static void deallocate(allocator_type& a, pointer p, size_type n); 16 // ... 17 // }; 18 19 #include <memory> 20 #include <cstdint> 21 #include <cassert> 22 23 int called = 0; 24 25 template <class T> 26 struct A 27 { 28 typedef T value_type; 29 30 void deallocate(value_type* p, std::size_t n) 31 { 32 assert(p == reinterpret_cast<value_type*>(static_cast<std::uintptr_t>(0xDEADBEEF))); 33 assert(n == 10); 34 ++called; 35 } 36 }; 37 38 int main() 39 { 40 A<int> a; 41 std::allocator_traits<A<int> >::deallocate(a, reinterpret_cast<int*>(static_cast<std::uintptr_t>(0xDEADBEEF)), 10); 42 assert(called == 1); 43 } 44
