libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/char/string_position_01.cc

// { dg-options "-std=gnu++11" }

//
// 2013-07-25  Tim Shen <timshen91@gmail.com>
//
// Copyright (C) 2013-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 28.12.1 regex_iterator
// Tests iter->position() behavior

#include <regex>
#include <testsuite_hooks.h>

void
test01()
{
  bool test __attribute__((unused)) = true;

  std::regex re("asdf");
  std::string s("asdfasdfasdf");
  int i = 0;
  for (std::sregex_iterator it(s.begin(), s.end(), re);
       it != std::sregex_iterator();
       ++it, i++) {
      VERIFY( it->position() == 4 * i );
  }
}

int
main()
{
  test01();
  return 0;
}