libstdc++-v3/testsuite/28_regex/basic_regex/requirements/constexpr_data.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2010-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <regex>
  21 #include <testsuite_common_types.h>
  22
  23 namespace __gnu_test
  24 {
  25   struct constexpr_member_data
  26   {
  27     template<typename _Ttesttype>
  28       void
  29       operator()()
  30       {
  31         struct _Concept
  32         {
  33           void __constraint()
  34           {
  35             constexpr auto v1 __attribute__((unused))
  36               = _Ttesttype::icase;
  37             constexpr auto v2 __attribute__((unused))
  38               = _Ttesttype::nosubs;
  39             constexpr auto v3 __attribute__((unused))
  40               = _Ttesttype::optimize;
  41             constexpr auto v4 __attribute__((unused))
  42               = _Ttesttype::collate;
  43             constexpr auto v5 __attribute__((unused))
  44               = _Ttesttype::ECMAScript;
  45             constexpr auto v6 __attribute__((unused))
  46               = _Ttesttype::basic;
  47             constexpr auto v7 __attribute__((unused))
  48               = _Ttesttype::extended;
  49             constexpr auto v8 __attribute__((unused))
  50               = _Ttesttype::awk;
  51             constexpr auto v9 __attribute__((unused))
  52               = _Ttesttype::grep;
  53             constexpr auto v10 __attribute__((unused))
  54               = _Ttesttype::egrep;
  55           }
  56         };
  57
  58         _Concept c;
  59         c.__constraint();
  60       }
  61   };
  62 }
  63
  64 int main()
  65 {
  66   __gnu_test::constexpr_member_data test;
  67   test.operator()<std::regex>();
  68 #ifdef _GLIBCXX_USE_WCHAR_T
  69   test.operator()<std::wregex>();
  70 #endif
  71   return 0;
  72 }