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// Copyright (C) 2018-2019 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/>.
// { dg-options "-std=gnu++17" }
// { dg-do compile { target c++17 } }
// { dg-require-effective-target cxx11-abi }
#include <string>
#include <memory_resource>
struct T : std::char_traits<char> { };
static_assert(std::is_same_v<std::pmr::basic_string<char>,
std::basic_string<char, std::char_traits<char>,
std::pmr::polymorphic_allocator<char>>>);
static_assert(std::is_same_v<std::pmr::basic_string<char, T>,
std::basic_string<char, T, std::pmr::polymorphic_allocator<char>>>);
static_assert(std::is_same_v<std::pmr::string,
std::basic_string<char, std::char_traits<char>,
std::pmr::polymorphic_allocator<char>>>);
static_assert(std::is_same_v<std::pmr::u16string,
std::basic_string<char16_t, std::char_traits<char16_t>,
std::pmr::polymorphic_allocator<char16_t>>>);
static_assert(std::is_same_v<std::pmr::u32string,
std::basic_string<char32_t, std::char_traits<char32_t>,
std::pmr::polymorphic_allocator<char32_t>>>);
#ifdef _GLIBCXX_USE_WCHAR_T
static_assert(std::is_same_v<std::pmr::basic_string<wchar_t>,
std::basic_string<wchar_t, std::char_traits<wchar_t>,
std::pmr::polymorphic_allocator<wchar_t>>>);
static_assert(std::is_same_v<std::pmr::basic_string<wchar_t, T>,
std::basic_string<wchar_t, T, std::pmr::polymorphic_allocator<wchar_t>>>);
static_assert(std::is_same_v<std::pmr::wstring,
std::basic_string<wchar_t, std::char_traits<wchar_t>,
std::pmr::polymorphic_allocator<wchar_t>>>);
#endif
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