gdb/unittests/basic_string_view/requirements/typedefs.cc

   1
   2 // { dg-options "-std=gnu++17" }
   3 // { dg-do compile }
   4
   5 // Copyright (C) 2013-2021 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <string_view>
  23 #include <testsuite_containers.h>
  24
  25 namespace __gnu_test
  26 {
  27   template<typename _Tp1, typename _Tp2>
  28     struct traits<std::basic_string_view<_Tp1, _Tp2>> : public traits_base
  29     {
  30       typedef std::true_type    is_container;
  31       typedef std::true_type    is_reversible;
  32     };
  33 }
  34
  35 #include <testsuite_containers.h>
  36
  37 // Check container for required typedefs.
  38
  39 __gnu_test::basic_types<std::string_view> t1b;
  40 __gnu_test::reversible_types<std::string_view> t1r;
  41 typedef typename std::string_view::traits_type traits_type1;
  42
  43 #ifdef _GLIBCXX_USE_WCHAR_T
  44 __gnu_test::basic_types<std::wstring_view> t2b;
  45 __gnu_test::reversible_types<std::wstring_view> t2r;
  46 typedef typename std::wstring_view::traits_type traits_type2;
  47 #endif