libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/exceptions_failbit_throw.cc

   1 // Copyright (C) 2004-2013 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 <sstream>
  20 #include <testsuite_hooks.h>
  21 #include <testsuite_io.h>
  22
  23 // libstdc++/10093
  24 template<typename T>
  25 void test_failbit()
  26 {
  27   using namespace std;
  28   bool test __attribute__((unused)) = true;
  29
  30   locale loc(locale::classic(), new __gnu_test::fail_num_get_wchar_t);
  31   wistringstream stream(L"jaylib - champion sound");
  32   stream.imbue(loc);
  33
  34   stream.exceptions(ios_base::failbit);
  35
  36   try
  37     {
  38       T i;
  39       stream >> i;
  40     }
  41   catch (const ios_base::failure&)
  42     { VERIFY( false ); }
  43   catch(...)
  44     { VERIFY( false ); }
  45
  46   // stream should set badbit.
  47   VERIFY( stream.bad() );
  48   VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  49   VERIFY( !stream.eof() );
  50 }
  51
  52 int main()
  53 {
  54   test_failbit<bool>();
  55   test_failbit<short>();
  56   test_failbit<unsigned short>();
  57   test_failbit<int>();
  58   test_failbit<unsigned int>();
  59   test_failbit<long>();
  60   test_failbit<unsigned long>();
  61
  62   test_failbit<float>();
  63   test_failbit<double>();
  64
  65   test_failbit<void*>();
  66
  67   return 0;
  68 }