libstdc++-v3/testsuite/28_regex/traits/wchar_t/lookup_classname.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   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 // 28.3 Requirements [re.req]
  22 // 28.2(4) Table 127 - Regular expression traits class requirements
  23 // 28.7(9) Class template regex_traits [re.traits]
  24
  25 #include <regex>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   typedef wchar_t CharT;
  32   typedef std::regex_traits<CharT> traits;
  33
  34   wchar_t n1[] = L"lower";
  35   wchar_t n2[] = L"alpha";
  36   traits t;
  37
  38 #define range(s) s, s+sizeof(s)/sizeof(s[0])-1
  39   traits::char_class_type c1 = t.lookup_classname(range(n1));
  40   VERIFY( c1 != 0 );
  41
  42   traits::char_class_type c2 = t.lookup_classname(range(n1), true);
  43   traits::char_class_type c3 = t.lookup_classname(range(n2), true);
  44   VERIFY( c2 == c3 );
  45 #undef range
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }