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a2febbfb | 1 | // 1999-10-11 bkoz |
b9e8095b | 2 | |
f1717362 | 3 | // Copyright (C) 1999-2016 Free Software Foundation, Inc. |
b9e8095b | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
b9e8095b | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
b9e8095b | 19 | |
b9e8095b | 20 | |
a2febbfb | 21 | #include <fstream> |
b9e8095b | 22 | #include <ostream> |
0cb0a61b | 23 | #include <testsuite_hooks.h> |
b9e8095b | 24 | |
a2febbfb | 25 | // test03 |
26 | // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html | |
27 | template<typename charT, typename traits = std::char_traits<charT> > | |
28 | class basic_nullbuf : public std::basic_filebuf<charT, traits> | |
29 | { | |
30 | protected: | |
31 | typedef typename | |
32 | std::basic_filebuf<charT, traits>::int_type int_type; | |
33 | virtual int_type | |
34 | overflow(int_type c) | |
35 | { return traits::not_eof(c); } | |
36 | }; | |
4ff4bf2b | 37 | |
a2febbfb | 38 | typedef basic_nullbuf<char> nullbuf; |
39 | ||
40 | template<typename T> | |
41 | char | |
42 | print(const T& x) | |
43 | { | |
44 | nullbuf ob; | |
45 | std::ostream out(&ob); | |
46 | out << x << std::endl; | |
47 | return (!out ? '0' : '1'); | |
48 | } | |
343ac85c | 49 | |
a2febbfb | 50 | void test03() |
4ff4bf2b | 51 | { |
f8ef786c | 52 | bool test __attribute__((unused)) = true; |
a2febbfb | 53 | const std::string control01("11111"); |
54 | std::string test01; | |
55 | ||
56 | test01 += print(true); | |
57 | test01 += print(3.14159); | |
58 | test01 += print(10); | |
59 | test01 += print('x'); | |
60 | test01 += print("pipo"); | |
61 | ||
62 | VERIFY( test01 == control01 ); | |
63 | } | |
b9e8095b | 64 | |
4ff4bf2b | 65 | int main() |
66 | { | |
a2febbfb | 67 | test03(); |
b9e8095b | 68 | return 0; |
69 | } |