1  // Copyright (C) 2013-2023 Free Software Foundation, Inc.
       2  //
       3  // This file is part of the GNU ISO C++ Library.  This library is free
       4  // software; you can redistribute it and/or modify it under the
       5  // terms of the GNU General Public License as published by the
       6  // Free Software Foundation; either version 3, or (at your option)
       7  // any later version.
       8  
       9  // This library is distributed in the hope that it will be useful,
      10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12  // GNU General Public License for more details.
      13  
      14  // You should have received a copy of the GNU General Public License along
      15  // with this library; see the file COPYING3.  If not see
      16  // <http://www.gnu.org/licenses/>.
      17  
      18  // 2013-10-26  Tim Shen  <timshen91@gmail.com>
      19  
      20  #include <regex>
      21  
      22  using namespace std;
      23  
      24  void split(string s)
      25  {
      26      regex re("\\s+");
      27      for (auto it = sregex_token_iterator(s.begin(), s.end(), re, -1);
      28  	 it != sregex_token_iterator();
      29  	 ++it)
      30        {
      31        }
      32  }
      33  
      34  string source = "\
      35  // Copyright (C) 2013-2023 Free Software Foundation, Inc.\n\
      36  //\n\
      37  // This file is part of the GNU ISO C++ Library.  This library is free\n\
      38  // software; you can redistribute it and/or modify it under the\n\
      39  // terms of the GNU General Public License as published by the\n\
      40  // Free Software Foundation; either version 3, or (at your option)\n\
      41  // any later version.\n\
      42  \n\
      43  // This library is distributed in the hope that it will be useful,\n\
      44  // but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
      45  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\
      46  // GNU General Public License for more details.\n\
      47  \n\
      48  // You should have received a copy of the GNU General Public License along\n\
      49  // with this library; see the file COPYING3.  If not see\n\
      50  // <http://www.gnu.org/licenses/>.\n\
      51  \n\
      52  // 2013-10-08  Tim Shen  <timshen91@gmail.com>\n\
      53  \n\
      54  #include <testsuite_performance.h>\n\
      55  #include <regex>\n\
      56  \n\
      57  using namespace __gnu_test;\n\
      58  using namespace std;\n\
      59  \n\
      60  void split(string s)\n\
      61  {\n\
      62      regex re(\"\\s+\");\n\
      63      for (auto it = sregex_token_iterator(s.begin(), s.end(), re, -1);\n\
      64  	 it != sregex_token_iterator();\n\
      65  	 ++it)\n\
      66        {\n\
      67        }\n\
      68  }\n\
      69  \n\
      70  int main()\n\
      71  {\n\
      72    string source = \"\";\n\
      73    time_counter time;\n\
      74    resource_counter resource;\n\
      75  \n\
      76    source = source + source;\n\
      77    source = source + source;\n\
      78    source = source + source;\n\
      79    source = source + source;\n\
      80    source = source + source;\n\
      81    source = source + source;\n\
      82    source = source + source;\n\
      83    source = source + source;\n\
      84  \n\
      85    start_counters(time, resource);\n\
      86    split(source);\n\
      87    stop_counters(time, resource);\n\
      88    report_performance(__FILE__, \"\", time, resource);\n\
      89  \n\
      90    return 0;\n\
      91  }\n";