1// { dg-do compile } 2// { dg-options "-std=gnu++11" } 3 4// Copyright (C) 2012 Free Software Foundation 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21// 22.3.3.2.2 String conversions 22 23#include <locale> 24#include <string> 25#include <type_traits> 26#include <testsuite_allocator.h> 27 28template<typename T> 29 using alloc = __gnu_test::uneq_allocator<T>; 30 31template<typename C> 32 using Str = std::basic_string<C, std::char_traits<C>, alloc<C>>; 33 34struct cvt : std::codecvt<wchar_t, char, std::mbstate_t> { }; 35 36using wconv = std::wstring_convert<cvt, wchar_t, alloc<wchar_t>, alloc<char>>; 37 38static_assert( std::is_same<wconv::byte_string, Str<char>>::value, 39 "byte string is std::string" ); 40static_assert( std::is_same<wconv::wide_string, Str<wchar_t>>::value, 41 "wide string is std::wstring" ); 42