gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_ostream/put/wchar_t/1.cc

   1 // Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.6.2.6 Unformatted output functions
  20 //
  21 // _GLIBCXX_RESOLVE_LIB_DEFECTS
  22 // DR 60. What is a formatted input function?
  23 // basic_ostream::put(char_type) is an unformatted output function.
  24 // DR 63. Exception-handling policy for unformatted output.
  25 // Unformatted output functions should catch exceptions thrown
  26 // from streambuf members.
  27
  28 #include <ostream>
  29 #include <streambuf>
  30 #include <testsuite_hooks.h>
  31
  32 class Buf : public std::wstreambuf
  33 {
  34 protected:
  35   virtual int_type
  36   overflow(int_type = traits_type::eof())
  37   { throw 0; }
  38 };
  39
  40 void test01()
  41 {
  42   bool test __attribute__((unused)) = true;
  43
  44   Buf buf;
  45   std::wostream os(&buf);
  46
  47   VERIFY( os.good() );
  48
  49   os.put(L'a');
  50
  51   VERIFY( os.rdstate() == std::ios_base::badbit );
  52
  53   os.clear();
  54   os.exceptions(std::ios_base::badbit);
  55
  56   try
  57     {
  58       os.put(L'b');
  59       VERIFY( false );
  60     }
  61   catch (int)
  62     {
  63       VERIFY( os.rdstate() == std::ios_base::badbit );
  64     }
  65 }
  66
  67 int main()
  68 {
  69   test01();
  70   return 0;
  71 }