libstdc++-v3/testsuite/28_regex/algorithms/regex_match/extended/53622.cc

   1 // { dg-options "-std=gnu++11" }
   2
   3 //
   4 // 2013-07-23  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013 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 // Tests Extended grouping against a std::string target.
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28
  29 // libstdc++/53622
  30 void
  31 test01()
  32 {
  33   bool test __attribute__((unused)) = true;
  34
  35   {
  36     std::regex  re("zxcv/(one.*)abc", std::regex::extended);
  37     std::string target("zxcv/onetwoabc");
  38     std::smatch m;
  39
  40     VERIFY( std::regex_search(target, m, re) );
  41     VERIFY( m.size() == 2 );
  42     VERIFY( m[0].matched == true );
  43     VERIFY( std::string(m[0].first, m[0].second) == "zxcv/onetwoabc" );
  44     VERIFY( m[1].matched == true );
  45     VERIFY( std::string(m[1].first, m[1].second) == "onetwo" );
  46   }
  47
  48   {
  49     std::regex  re("zxcv/(one.*)abc()\\2", std::regex::extended);
  50     std::string target("zxcv/onetwoabc");
  51     std::smatch m;
  52
  53     VERIFY( std::regex_search(target, m, re) );
  54     VERIFY( m.size() == 3 );
  55     VERIFY( m[0].matched == true );
  56     VERIFY( std::string(m[0].first, m[0].second) == "zxcv/onetwoabc" );
  57     VERIFY( m[1].matched == true );
  58     VERIFY( std::string(m[1].first, m[1].second) == "onetwo" );
  59   }
  60 }
  61
  62 int
  63 main()
  64 {
  65   test01();
  66   return 0;
  67 }