libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/exceptions_failbit_throw.cc

   1 // Copyright (C) 2003, 2004, 2009
   2 // Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19
  20 #include <sstream>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_io.h>
  23
  24 // libstdc++/10093
  25 template<typename T>
  26 void test_failbit()
  27 {
  28   using namespace std;
  29   bool test __attribute__((unused)) = true;
  30
  31   locale loc(locale::classic(), new __gnu_test::fail_num_put_char);
  32   ostringstream stream("jaylib - champion sound");
  33   stream.imbue(loc);
  34
  35   stream.exceptions(ios_base::failbit);
  36
  37   try
  38     {
  39       T i = T();
  40       stream << i;
  41     }
  42   catch (const ios_base::failure&)
  43     { VERIFY( false ); }
  44   catch(...)
  45     { VERIFY( false ); }
  46
  47     // stream should set badbit.
  48     VERIFY( stream.bad() );
  49     VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  50     VERIFY( !stream.eof() );
  51 }
  52
  53 int main()
  54 {
  55   test_failbit<bool>();
  56   test_failbit<short>();
  57   test_failbit<unsigned short>();
  58   test_failbit<int>();
  59   test_failbit<unsigned int>();
  60   test_failbit<long>();
  61   test_failbit<unsigned long>();
  62
  63   test_failbit<float>();
  64   test_failbit<double>();
  65
  66   return 0;
  67 }