libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/7.cc

   1 // 1999-07-01 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 21.3.7.9 inserters and extractors
  22
  23 // NB: This file is predicated on sstreams, istreams, and ostreams
  24 // working, not to mention other major details like char_traits, and
  25 // all of the string class.
  26
  27 #include <string>
  28 #include <sstream>
  29 #include <testsuite_hooks.h>
  30
  31 // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00085.html
  32 // istream::operator>>(string)
  33 // sets failbit
  34 // NB: this is a defect in the standard.
  35 void test07(void)
  36 {
  37   bool test __attribute__((unused)) = true;
  38   const std::string name("z6.cc");
  39   std::istringstream iss (name);
  40   int i = 0;
  41   std::string s;
  42   while (iss >> s)
  43     ++i;
  44
  45   VERIFY( i < 3 );
  46   VERIFY( static_cast<bool>(iss.rdstate() & std::ios_base::failbit) );
  47 }
  48
  49 int main()
  50 {
  51   test07();
  52   return 0;
  53 }