libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/58576.cc

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // 2013-10-01  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013-2020 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 28.11.2 regex_match
  24
  25 #include <regex>
  26 #include <testsuite_hooks.h>
  27 #include <testsuite_regex.h>
  28
  29 using namespace __gnu_test;
  30 using namespace std;
  31
  32 // libstdc++/58576
  33 void
  34 test01()
  35 {
  36   string domain_name = "valid.hostname.org";
  37   /**
  38    * based on http://stackoverflow.com/questions/1418423/the-hostname-regex
  39    */
  40   regex fqdn_regex
  41   (
  42     "^"
  43     "(?=.{1,255}$)"
  44     "[[:alnum:]]"
  45     "("
  46             "(([[:alnum:]]|-)"
  47             "{0,61})"
  48             "[[:alnum:]]"
  49     ")?"
  50     "("
  51             "\\."
  52             "[[:alnum:]]"
  53             "("
  54                     "(([[:alnum:]]|-)"
  55                     "{0,61})"
  56                     "[[:alnum:]]"
  57             ")?"
  58     ")*"
  59     "\\.?"
  60     "$"
  61   );
  62
  63   smatch m;
  64   const char* sol[] =
  65   {
  66     "valid.hostname.org",
  67     "alid",
  68     "ali",
  69     "i",
  70     ".org",
  71     "rg",
  72     "r",
  73     "r",
  74   };
  75   try
  76     {
  77       VERIFY(regex_match_debug( domain_name, m, fqdn_regex ));
  78       VERIFY(m.size() == sizeof(sol) / sizeof(*sol));
  79       for (size_t i = 0; i < m.size(); i++) {
  80           string s(m[i].first, m[i].second);
  81           VERIFY(s == sol[i]);
  82       }
  83     }
  84   catch ( const regex_error& ex )
  85     {
  86       if ( ex.code() == regex_constants::error_brack )
  87         {
  88           throw;
  89         }
  90     }
  91 }
  92
  93 int
  94 main()
  95 {
  96   test01();
  97   return 0;
  98 }