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 #include "incomplete_type_helper.h" 24 25 int called = 0; 26 27 template <class T> 28 struct A 29 { 30 typedef T value_type; 31 32 void deallocate(value_type* p, std::size_t n) 33 { 34 assert(p == reinterpret_cast<value_type*>(static_cast<std::uintptr_t>(0xDEADBEEF))); 35 assert(n == 10); 36 ++called; 37 } 38 }; 39 40 int main() 41 { 42 { 43 A<int> a; 44 std::allocator_traits<A<int> >::deallocate(a, reinterpret_cast<int*>(static_cast<std::uintptr_t>(0xDEADBEEF)), 10); 45 assert(called == 1); 46 } 47 called = 0; 48 { 49 typedef IncompleteHolder* VT; 50 typedef A<VT> Alloc; 51 Alloc a; 52 std::allocator_traits<Alloc >::deallocate(a, reinterpret_cast<VT*>(static_cast<std::uintptr_t>(0xDEADBEEF)), 10); 53 assert(called == 1); 54 } 55 } 56
