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

   1 // Copyright (C) 2004-2022 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 #include <istream>
  19 #include <ostream>
  20 #include <streambuf>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 using namespace std;
  25
  26 void test2()
  27 {
  28   wistringstream stream;
  29   stream >> static_cast<wstreambuf*>(0);
  30   VERIFY( stream.rdstate() & ios_base::failbit );
  31 }
  32
  33 void test4()
  34 {
  35   wistringstream stream;
  36   stream.exceptions(ios_base::failbit);
  37
  38   try
  39     {
  40       stream >> static_cast<wstreambuf*>(0);
  41       VERIFY( false );
  42     }
  43   catch (std::ios_base::failure&)
  44     {
  45     }
  46
  47   VERIFY( stream.rdstate() & ios_base::failbit );
  48 }
  49
  50 // libstdc++/9371
  51 int main()
  52 {
  53   test2();
  54   test4();
  55   return 0;
  56 }