libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/exceptions_null.cc

   1 // Copyright (C) 2003, 2009, 2010 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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 #include <istream>
  20 #include <ostream>
  21 #include <streambuf>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 using namespace std;
  26
  27 void test2()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   istringstream stream;
  31   stream >> static_cast<streambuf*>(0);
  32   VERIFY(stream.rdstate() & ios_base::failbit);
  33 }
  34
  35 void test4()
  36 {
  37   bool test __attribute__((unused)) = true;
  38   istringstream stream;
  39   stream.exceptions(ios_base::failbit);
  40
  41   try
  42     {
  43       stream >> static_cast<streambuf*>(0);
  44       VERIFY(false);
  45     }
  46   catch (ios_base::failure&)
  47     {
  48     }
  49
  50   VERIFY(stream.rdstate() & ios_base::failbit);
  51 }
  52
  53 // libstdc++/9371
  54 int main()
  55 {
  56   test2();
  57   test4();
  58   return 0;
  59 }