libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/char/exceptions_failbit.cc

   1 // Copyright (C) 2003-2019 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 <sstream>
  19 #include <testsuite_hooks.h>
  20
  21 // libstdc++/10093
  22 template<typename T>
  23 void test_failbit()
  24 {
  25   using namespace std;
  26
  27   istringstream stream("jaylib - champion sound");
  28   stream.exceptions(ios_base::failbit);
  29
  30   try
  31     {
  32       T i;
  33       stream >> i;
  34       VERIFY( false );
  35     }
  36   catch (const std::ios_base::failure&)
  37     {
  38       // stream should set failbit and throw ios_base::failure.
  39       VERIFY( stream.fail() );
  40       VERIFY( !stream.bad() );
  41       VERIFY( !stream.eof() );
  42     }
  43   catch(...)
  44     { VERIFY( false ); }
  45 }
  46
  47 int main()
  48 {
  49   test_failbit<bool>();
  50   test_failbit<short>();
  51   test_failbit<unsigned short>();
  52   test_failbit<int>();
  53   test_failbit<unsigned int>();
  54   test_failbit<long>();
  55   test_failbit<unsigned long>();
  56
  57   test_failbit<float>();
  58   test_failbit<double>();
  59
  60   test_failbit<void*>();
  61
  62   return 0;
  63 }