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

   1 // { dg-options "-std=gnu++11" }
   2
   3 //
   4 // 2013-07-17  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013 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 // 28.11.3 regex_search
  24 // Tests BRE against a std::string target.
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_regex.h>
  29
  30 using namespace __gnu_test;
  31 using namespace std;
  32
  33 void
  34 test01()
  35 {
  36   bool test __attribute__((unused)) = true;
  37
  38   std::regex  re("as\\(df\\)", std::regex::basic);
  39   std::string target("xxasdfyy");
  40   std::smatch m;
  41
  42   VERIFY( regex_search_debug(target, m, re) );
  43
  44   VERIFY( m.size()  == re.mark_count()+1 );
  45   VERIFY( m.empty() == false );
  46   VERIFY( m.prefix().matched == (m.prefix().first != m.prefix().second) );
  47   VERIFY( std::string(m.prefix().first, m.prefix().second) == "xx" );
  48   VERIFY( m.suffix().matched == (m.suffix().first != m.suffix().second) );
  49   VERIFY( std::string(m.suffix().first, m.suffix().second) == "yy" );
  50   VERIFY( m[0].matched == true );
  51   VERIFY( std::string(m[0].first, m[0].second) == "asdf" );
  52   VERIFY( m[1].matched == true );
  53   VERIFY( std::string(m[1].first, m[1].second) == "df" );
  54 }
  55
  56 int
  57 main()
  58 {
  59   test01();
  60   return 0;
  61 }