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23cac885 | 1 | // 1999-10-11 bkoz |
b2dad0e3 | 2 | |
8d59b230 | 3 | // Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
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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 2, 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 COPYING. If not, write to the Free | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
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19 | // USA. |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
23cac885 | 30 | // 27.5.2 template class basic_streambuf |
b2dad0e3 | 31 | |
23cac885 | 32 | #include <streambuf> |
b2dad0e3 | 33 | #include <ostream> |
6f422965 | 34 | #include <string> |
f13a69ec | 35 | #include <testsuite_hooks.h> |
b2dad0e3 | 36 | |
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37 | // test03 |
38 | // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html | |
39 | template<typename charT, typename traits = std::char_traits<charT> > | |
40 | class basic_nullbuf : public std::basic_streambuf<charT, traits> | |
41 | { | |
42 | protected: | |
43 | typedef typename | |
44 | std::basic_streambuf<charT, traits>::int_type int_type; | |
45 | virtual int_type | |
46 | overflow(int_type c) | |
47 | { return traits::not_eof(c); } | |
48 | }; | |
e6705174 | 49 | |
23cac885 BK |
50 | typedef basic_nullbuf<char> nullbuf; |
51 | ||
52 | template<typename T> | |
53 | char | |
54 | print(const T& x) | |
55 | { | |
56 | nullbuf ob; | |
57 | std::ostream out(&ob); | |
58 | out << x << std::endl; | |
59 | return (!out ? '0' : '1'); | |
60 | } | |
bcc6a03a | 61 | |
23cac885 | 62 | void test03() |
e6705174 | 63 | { |
11f10e6b | 64 | bool test __attribute__((unused)) = true; |
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65 | const std::string control01("11111"); |
66 | std::string test01; | |
67 | ||
68 | test01 += print(true); | |
69 | test01 += print(3.14159); | |
70 | test01 += print(10); | |
71 | test01 += print('x'); | |
72 | test01 += print("pipo"); | |
73 | ||
74 | VERIFY( test01 == control01 ); | |
75 | } | |
b2dad0e3 | 76 | |
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77 | int main() |
78 | { | |
23cac885 | 79 | test03(); |
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80 | return 0; |
81 | } |