libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/wchar_t/9318-out.cc

   1 // Copyright (C) 2005-2018 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 // 27.5.2 template class basic_streambuf
  20
  21 #include <streambuf>
  22 #include <sstream>
  23 #include <ostream>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/9318
  27 class Outbuf : public std::wstreambuf
  28 {
  29 public:
  30   typedef std::wstreambuf::traits_type traits_type;
  31
  32   std::wstring result() const { return str; }
  33
  34 protected:
  35   virtual int_type
  36   overflow(int_type c = traits_type::eof())
  37   {
  38     if (!traits_type::eq_int_type(c, traits_type::eof()))
  39       str.push_back(traits_type::to_char_type(c));
  40     return traits_type::not_eof(c);
  41   }
  42
  43 private:
  44   std::wstring str;
  45 };
  46
  47 void test10()
  48 {
  49   std::wstringbuf sbuf(L"Bad Moon Rising", std::wios::in);
  50   Outbuf buf;
  51   std::wostream stream(&buf);
  52   stream << &sbuf;
  53
  54   VERIFY( buf.result() == L"Bad Moon Rising" );
  55 }
  56
  57 int main()
  58 {
  59   test10();
  60   return 0;
  61 }