| // { dg-options "-std=gnu++0x" } |
| |
| // Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <memory> |
| #include <cstddef> |
| #include <testsuite_hooks.h> |
| |
| struct X { }; |
| |
| template<typename T> |
| struct hintable_allocator |
| { |
| typedef T value_type; |
| struct const_void_pointer { }; |
| typedef unsigned size_type; |
| |
| hintable_allocator() : called(false) { } |
| |
| bool called; |
| |
| // this is the overload that should get called: |
| T* allocate(size_type n, const_void_pointer) { called = true; return 0; } |
| |
| // none of these should get called: |
| T* allocate(size_type n); |
| T* allocate(size_type n, void*); |
| T* allocate(size_type n, const void*); |
| T* allocate(size_type n, const_void_pointer) const; |
| }; |
| |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| typedef std::allocator_traits<hintable_allocator<X>> traits_type; |
| traits_type::allocator_type a; |
| traits_type::const_void_pointer v; |
| X* p __attribute__((unused)) = traits_type::allocate(a, 1, v); |
| VERIFY( a.called ); |
| } |
| |
| template<typename T> |
| struct unhintable_allocator |
| { |
| typedef T value_type; |
| typedef unsigned size_type; |
| |
| unhintable_allocator() : called(false) { } |
| |
| bool called; |
| |
| // this is the overload that should get called: |
| T* allocate(size_type n) { called = true; return 0; } |
| |
| // this should not get called: |
| T* allocate(size_type n, void*); |
| }; |
| |
| void test02() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| typedef std::allocator_traits<unhintable_allocator<X>> traits_type; |
| traits_type::allocator_type a; |
| traits_type::const_void_pointer v; |
| X* p __attribute__((unused)) = traits_type::allocate(a, 1, v); |
| VERIFY( a.called ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| } |