libstdc++-v3/testsuite/27_io/basic_istream/sentry/char/2.cc

   1 // 1999-10-14 bkoz
   2
   3 // Copyright (C) 1999, 2001, 2003, 2009 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20
  21 // 27.6.1.1.2 class basic_istream::sentry
  22
  23 #include <istream>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 // libstdc++/944
  28 void
  29 test02()
  30 {
  31   using namespace std;
  32   istringstream in("80.21 56.89 12.3");
  33   bool test __attribute__((unused)) = true;
  34   int i = 0;
  35   double x;
  36
  37   // ios_base::eof == 2
  38   while (in >> x)
  39     {
  40       ++i;
  41       if (i > 3)
  42         break;
  43     }
  44   VERIFY( i == 3 );
  45 }
  46
  47 int main()
  48 {
  49   test02();
  50   return 0;
  51 }