libstdc++-v3/testsuite/28_regex/algorithms/regex_match/extended/string_range_00_03.cc

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // 2010-06-16  Stephen M. Webb <stephen.webb@bregmasoft.ca>
   5 //
   6 // Copyright (C) 2010-2018 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 ERE against a std::string target, exercising range {0,3}
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_regex.h>
  29
  30 using namespace __gnu_test;
  31
  32 void
  33 test01()
  34 {
  35   std::regex  re("a{0,3}", std::regex::extended);
  36   std::string target("aa");
  37   std::smatch m;
  38
  39   VERIFY( regex_match_debug(target, m, re) );
  40
  41   VERIFY( m.size()  == re.mark_count()+1 );
  42   VERIFY( m.empty() == false );
  43   VERIFY( m.prefix().first == target.begin() );
  44   VERIFY( m.prefix().second == target.begin() );
  45   VERIFY( m.prefix().matched == false );
  46   VERIFY( m.suffix().first == target.end() );
  47   VERIFY( m.suffix().second == target.end() );
  48   VERIFY( m.suffix().matched == false );
  49   VERIFY( m[0].first == target.begin() );
  50   VERIFY( m[0].second == target.end() );
  51   VERIFY( m[0].matched == true );
  52 }
  53
  54
  55 int
  56 main()
  57 {
  58   test01();
  59   return 0;
  60 }
  61