gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_istream/sentry/wchar_t/2.cc

   1 // Copyright (C) 2004 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // As a special exception, you may use this file as part of a free software
  20 // library without restriction.  Specifically, if other files instantiate
  21 // templates or use macros or inline functions from this file, or you compile
  22 // this file and link it with other files to produce an executable, this
  23 // file does not by itself cause the resulting executable to be covered by
  24 // the GNU General Public License.  This exception does not however
  25 // invalidate any other reasons why the executable file might be covered by
  26 // the GNU General Public License.
  27
  28 // 27.6.1.1.2 class basic_istream::sentry
  29
  30 #include <istream>
  31 #include <sstream>
  32 #include <testsuite_hooks.h>
  33
  34 // libstdc++/944
  35 void
  36 test02()
  37 {
  38   using namespace std;
  39   wistringstream in(L"80.21 56.89 12.3");
  40   bool test __attribute__((unused)) = true;
  41   int i = 0;
  42   double x;
  43
  44   // ios_base::eof == 2
  45   while (in >> x)
  46     {
  47       ++i;
  48       if (i > 3)
  49         break;
  50     }
  51   VERIFY( i == 3 );
  52 }
  53
  54 int main()
  55 {
  56   test02();
  57   return 0;
  58 }