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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [allocator_traits/] [members/] [allocate_hint.cc] - Rev 742
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2011 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(); }