libstdc++-v3/testsuite/28_regex/algorithms/regex_search/basic/string_01.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 //
   5 // 2013-07-17  Tim Shen <timshen91@gmail.com>
   6 //
   7 // Copyright (C) 2013-2023 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 // 28.11.3 regex_search
  25 // Tests BRE against a std::string target.
  26
  27 #include <regex>
  28 #include <testsuite_hooks.h>
  29 #include <testsuite_regex.h>
  30
  31 using namespace __gnu_test;
  32 using namespace std;
  33
  34 void
  35 test01()
  36 {
  37   std::regex  re("as\\(df\\)", std::regex::basic);
  38   std::string target("xxasdfyy");
  39   std::smatch m;
  40
  41   VERIFY( regex_search_debug(target, m, re) );
  42
  43   VERIFY( m.size()  == re.mark_count()+1 );
  44   VERIFY( m.empty() == false );
  45   VERIFY( m.prefix().matched == (m.prefix().first != m.prefix().second) );
  46   VERIFY( std::string(m.prefix().first, m.prefix().second) == "xx" );
  47   VERIFY( m.suffix().matched == (m.suffix().first != m.suffix().second) );
  48   VERIFY( std::string(m.suffix().first, m.suffix().second) == "yy" );
  49   VERIFY( m[0].matched == true );
  50   VERIFY( std::string(m[0].first, m[0].second) == "asdf" );
  51   VERIFY( m[1].matched == true );
  52   VERIFY( std::string(m[1].first, m[1].second) == "df" );
  53 }
  54
  55 int
  56 main()
  57 {
  58   test01();
  59   return 0;
  60 }