libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc

   1 // Copyright (C) 2018-2019 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-do compile { target c++14 } }
  19 // { dg-require-effective-target cxx11-abi }
  20
  21 #include <experimental/string>
  22
  23 namespace xpmr = std::experimental::pmr;
  24
  25 struct T : std::char_traits<char> { };
  26
  27 static_assert(std::is_same<xpmr::basic_string<char>,
  28     std::basic_string<char, std::char_traits<char>,
  29                       xpmr::polymorphic_allocator<char>>>::value,
  30     "pmr::basic_string");
  31 static_assert(std::is_same<xpmr::basic_string<char, T>,
  32     std::basic_string<char, T, xpmr::polymorphic_allocator<char>>>::value,
  33     "pmr::basic_string");
  34
  35 static_assert(std::is_same<xpmr::string,
  36     std::basic_string<char, std::char_traits<char>,
  37                       xpmr::polymorphic_allocator<char>>>::value,
  38     "pmr::string");
  39 static_assert(std::is_same<xpmr::u16string,
  40     std::basic_string<char16_t, std::char_traits<char16_t>,
  41                       xpmr::polymorphic_allocator<char16_t>>>::value,
  42     "pmr::u16string");
  43 static_assert(std::is_same<xpmr::u32string,
  44     std::basic_string<char32_t, std::char_traits<char32_t>,
  45                       xpmr::polymorphic_allocator<char32_t>>>::value,
  46     "pmr::u32string");
  47
  48 #ifdef _GLIBCXX_USE_WCHAR_T
  49 static_assert(std::is_same<xpmr::basic_string<wchar_t>,
  50     std::basic_string<wchar_t, std::char_traits<wchar_t>,
  51                       xpmr::polymorphic_allocator<wchar_t>>>::value,
  52     "pmr::basic_string<wchar_t>");
  53 static_assert(std::is_same<xpmr::basic_string<wchar_t, T>,
  54     std::basic_string<wchar_t, T, xpmr::polymorphic_allocator<wchar_t>>>::value,
  55     "pmr::basic_string<wchar_t>");
  56
  57 static_assert(std::is_same<xpmr::wstring,
  58     std::basic_string<wchar_t, std::char_traits<wchar_t>,
  59                       xpmr::polymorphic_allocator<wchar_t>>>::value,
  60     "pmr::wstring");
  61 #endif