1// 1999-10-11 bkoz
2
3// Copyright (C) 1999-2015 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20
21// 27.5.2 template class basic_streambuf
22
23#include <sstream>
24#include <ostream>
25#include <testsuite_hooks.h>
26
27// test03
28// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html
29template<typename charT, typename traits = std::char_traits<charT> >
30  class basic_nullbuf : public std::basic_stringbuf<charT, traits>
31  {
32  protected:
33    typedef typename
34      std::basic_stringbuf<charT, traits>::int_type int_type;
35    virtual int_type
36    overflow(int_type c)
37    {  return traits::not_eof(c); }
38  };
39
40typedef basic_nullbuf<wchar_t> nullbuf;
41
42template<typename T>
43  wchar_t
44  print(const T& x)
45  {
46   nullbuf ob;
47   std::wostream out(&ob);
48   out << x << std::endl;
49   return (!out ? L'0' : L'1');
50 }
51
52void test03()
53{
54  bool test __attribute__((unused)) = true;
55  const std::wstring control01(L"11111");
56  std::wstring test01;
57
58  test01 += print(true);
59  test01 += print(3.14159);
60  test01 += print(10);
61  test01 += print(L'x');
62  test01 += print(L"pipo");
63
64  VERIFY( test01 == control01 );
65}
66
67int main()
68{
69  test03();
70  return 0;
71}
72