libstdc++-v3/testsuite/28_regex/algorithms/match/basic/string_range_00_03.cc

   1 // { dg-options "-std=c++0x" }
   2
   3 //
   4 // 2010-06-16  Stephen M. Webb <stephen.webb@bregmasoft.ca>
   5 //
   6 // Copyright (C) 2010 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 BRE against a std::string target, exercising range {0,3}
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28
  29 void
  30 test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33
  34         std::regex  re("a\\{0,3\\}", std::regex::basic);
  35         std::string target("aa");
  36         std::smatch m;
  37
  38         VERIFY( std::regex_match(target, m, re) );
  39
  40         VERIFY( m.size()  == re.mark_count()+1 );
  41         VERIFY( m.empty() == false );
  42         VERIFY( m.prefix().first == target.begin() );
  43         VERIFY( m.prefix().second == target.begin() );
  44         VERIFY( m.prefix().matched == false );
  45         VERIFY( m.suffix().first == target.end() );
  46         VERIFY( m.suffix().second == target.end() );
  47         VERIFY( m.suffix().matched == false );
  48         VERIFY( m[0].first == target.begin() );
  49         VERIFY( m[0].second == target.end() );
  50         VERIFY( m[0].matched == true );
  51 }
  52
  53
  54 int
  55 main()
  56 {
  57   test01();
  58   return 0;
  59 }
  60