gomp-20050608-branch/libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/2627.cc

   1 // 1999-06-28 bkoz
   2
   3 // Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 24.5.3 template class istreambuf_iterator
  22
  23 #include <sstream>
  24 #include <iterator>
  25 #include <testsuite_hooks.h>
  26
  27 // libstdc++/2627
  28 void test03()
  29 {
  30   bool test __attribute__((unused)) = true;
  31   const std::string s("free the vieques");
  32
  33   // 1
  34   std::string res_postfix;
  35   std::istringstream iss01(s);
  36   std::istreambuf_iterator<char> isbufit01(iss01);
  37   for (std::size_t j = 0; j < s.size(); ++j, isbufit01++)
  38     res_postfix += *isbufit01;
  39
  40   // 2
  41   std::string res_prefix;
  42   std::istringstream iss02(s);
  43   std::istreambuf_iterator<char> isbufit02(iss02);
  44   for (std::size_t j = 0; j < s.size(); ++j, ++isbufit02)
  45     res_prefix += *isbufit02;
  46
  47   // 3 mixed
  48   std::string res_mixed;
  49   std::istringstream iss03(s);
  50   std::istreambuf_iterator<char> isbufit03(iss03);
  51   for (std::size_t j = 0; j < (s.size() / 2); ++j)
  52     {
  53       res_mixed += *isbufit03;
  54       ++isbufit03;
  55       res_mixed += *isbufit03;
  56       isbufit03++;
  57     }
  58
  59   VERIFY ( res_postfix == res_prefix );
  60   VERIFY ( res_mixed == res_prefix );
  61 }
  62
  63 int main()
  64 {
  65   test03();
  66   return 0;
  67 }