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

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 //
   5 // 2010-06-09  Stephen M. Webb <stephen.webb@bregmasoft.ca>
   6 //
   7 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 28.9.1 [re.submatch.members] sub_match members
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28
  29
  30 void
  31 test01()
  32 {
  33   typedef std::sub_match<const char*> sm_t;
  34   const char*           test_data = "cabbage";
  35   sm_t::difference_type test_len = 3;
  36
  37   sm_t sm1;
  38   sm1.first   = test_data + 0;
  39   sm1.second  = test_data + test_len;
  40   sm1.matched = true;
  41
  42   sm_t sm2;
  43   sm2.matched = false;
  44
  45   VERIFY( sm1.length() == test_len );
  46   VERIFY( sm2.length() == 0 );
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52 }