1// Copyright (C) 2014-2015 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// { dg-options "-std=gnu++11" } 19 20// libstdc++/59829 21 22#include <vector> 23#include <testsuite_allocator.h> 24 25// User-defined pointer type that throws if a null pointer is dereferenced. 26template<typename T> 27struct Pointer : __gnu_test::PointerBase<Pointer<T>, T> 28{ 29 using __gnu_test::PointerBase<Pointer<T>, T>::PointerBase; 30 31 T& operator*() const 32 { 33 if (!this->value) 34 throw "Dereferenced invalid pointer"; 35 return *this->value; 36 } 37}; 38 39// Minimal allocator using Pointer<T> 40template<typename T> 41struct Alloc 42{ 43 typedef T value_type; 44 typedef Pointer<T> pointer; 45 46 Alloc() = default; 47 template<typename U> 48 Alloc(const Alloc<U>&) { } 49 50 pointer allocate(std::size_t n) 51 { return pointer(std::allocator<T>().allocate(n)); } 52 53 void deallocate(pointer p, std::size_t n) 54 { std::allocator<T>().deallocate(p.value, n); } 55}; 56 57template<typename T> 58bool operator==(Alloc<T> l, Alloc<T> r) { return true; } 59 60template<typename T> 61bool operator!=(Alloc<T> l, Alloc<T> r) { return false; } 62 63int main() 64{ 65 std::vector<int, Alloc<int>> a; 66 a.data(); 67} 68