1// 1999-10-11 bkoz
2
3// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2009
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21
22// 27.5.2 template class basic_streambuf
23
24#include <sstream>
25#include <ostream>
26#include <testsuite_hooks.h>
27
28// test03
29// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html
30template<typename charT, typename traits = std::char_traits<charT> >
31  class basic_nullbuf : public std::basic_stringbuf<charT, traits>
32  {
33  protected:
34    typedef typename
35      std::basic_stringbuf<charT, traits>::int_type int_type;
36    virtual int_type
37    overflow(int_type c)
38    {  return traits::not_eof(c); }
39  };
40
41typedef basic_nullbuf<wchar_t> nullbuf;
42
43template<typename T>
44  wchar_t
45  print(const T& x)
46  {
47   nullbuf ob;
48   std::wostream out(&ob);
49   out << x << std::endl;
50   return (!out ? L'0' : L'1');
51 }
52
53void test03()
54{
55  bool test __attribute__((unused)) = true;
56  const std::wstring control01(L"11111");
57  std::wstring test01;
58
59  test01 += print(true);
60  test01 += print(3.14159);
61  test01 += print(10);
62  test01 += print(L'x');
63  test01 += print(L"pipo");
64
65  VERIFY( test01 == control01 );
66}
67
68int main()
69{
70  test03();
71  return 0;
72}
73