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

   1 // Copyright (C) 2003, 2004
   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 2, 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 COPYING.  If not, write to the Free
  17 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18 // USA.
  19
  20 // As a special exception, you may use this file as part of a free software
  21 // library without restriction.  Specifically, if other files instantiate
  22 // templates or use macros or inline functions from this file, or you compile
  23 // this file and link it with other files to produce an executable, this
  24 // file does not by itself cause the resulting executable to be covered by
  25 // the GNU General Public License.  This exception does not however
  26 // invalidate any other reasons why the executable file might be covered by
  27 // the GNU General Public License.
  28
  29 #include <sstream>
  30 #include <testsuite_hooks.h>
  31 #include <testsuite_io.h>
  32
  33 // libstdc++/10093
  34 template<typename T>
  35 void test_failbit()
  36 {
  37   using namespace std;
  38   bool test __attribute__((unused)) = true;
  39
  40   locale loc(locale::classic(), new __gnu_test::fail_num_put_char);
  41   ostringstream stream("jaylib - champion sound");
  42   stream.imbue(loc);
  43
  44   stream.exceptions(ios_base::failbit);
  45
  46   try
  47     {
  48       T i = T();
  49       stream << i;
  50     }
  51   catch (const ios_base::failure&)
  52     { VERIFY( false ); }
  53   catch(...)
  54     { VERIFY( false ); }
  55
  56     // stream should set badbit.
  57     VERIFY( stream.bad() );
  58     VERIFY( (stream.rdstate() & ios_base::failbit) == 0 );
  59     VERIFY( !stream.eof() );
  60 }
  61
  62 int main()
  63 {
  64   test_failbit<bool>();
  65   test_failbit<short>();
  66   test_failbit<unsigned short>();
  67   test_failbit<int>();
  68   test_failbit<unsigned int>();
  69   test_failbit<long>();
  70   test_failbit<unsigned long>();
  71
  72   test_failbit<float>();
  73   test_failbit<double>();
  74
  75   return 0;
  76 }