libstdc++-v3/testsuite/28_regex/sub_match/length.cc

   1 // { dg-options "-std=gnu++11" }
   2
   3 //
   4 // 2010-06-09  Stephen M. Webb <stephen.webb@bregmasoft.ca>
   5 //
   6 // Copyright (C) 2010-2016 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 // 28.9.1 [re.submatch.members] sub_match members
  24
  25 #include <regex>
  26 #include <testsuite_hooks.h>
  27
  28
  29 void
  30 test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33
  34   typedef std::sub_match<const char*> sm_t;
  35   const char*           test_data = "cabbage";
  36   sm_t::difference_type test_len = 3;
  37
  38         sm_t sm1;
  39         sm1.first   = test_data + 0;
  40         sm1.second  = test_data + test_len;
  41         sm1.matched = true;
  42
  43         sm_t sm2;
  44         sm2.matched = false;
  45
  46         VERIFY( sm1.length() == test_len );
  47         VERIFY( sm2.length() == 0 );
  48 }
  49
  50 int main()
  51 {
  52   test01();
  53 }