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23cac885 | 1 | // 1999-10-11 bkoz |
b2dad0e3 | 2 | |
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3 | // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009 |
4 | // Free Software Foundation, Inc. | |
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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 | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
b2dad0e3 | 21 | |
23cac885 | 22 | // 27.5.2 template class basic_streambuf |
b2dad0e3 | 23 | |
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24 | #include <cstring> // for memset, memcmp |
25 | #include <streambuf> | |
26 | #include <sstream> | |
b2dad0e3 | 27 | #include <ostream> |
f13a69ec | 28 | #include <testsuite_hooks.h> |
b2dad0e3 | 29 | |
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30 | // libstdc++/9424 |
31 | class Outbuf_2 : public std::streambuf | |
32 | { | |
33 | char buf[1]; | |
34 | ||
35 | public: | |
36 | Outbuf_2() | |
37 | { | |
38 | setp(buf, buf + 1); | |
39 | } | |
40 | ||
41 | int_type overflow(int_type c) | |
42 | { | |
43 | int_type eof = traits_type::eof(); | |
44 | ||
45 | if (pptr() < epptr()) | |
46 | { | |
47 | if (traits_type::eq_int_type(c, eof)) | |
48 | return traits_type::not_eof(c); | |
49 | ||
50 | *pptr() = traits_type::to_char_type(c); | |
51 | pbump(1); | |
52 | return c; | |
53 | } | |
e6705174 | 54 | |
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55 | return eof; |
56 | } | |
57 | }; | |
58 | ||
59 | class Inbuf_2 : public std::streambuf | |
bcc6a03a | 60 | { |
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61 | static const char buf[]; |
62 | const char* current; | |
63 | int size; | |
bcc6a03a | 64 | |
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65 | public: |
66 | Inbuf_2() | |
67 | { | |
68 | current = buf; | |
69 | size = std::strlen(buf); | |
70 | } | |
71 | ||
72 | int_type underflow() | |
73 | { | |
74 | if (current < buf + size) | |
75 | return traits_type::to_int_type(*current); | |
76 | return traits_type::eof(); | |
77 | } | |
78 | ||
79 | int_type uflow() | |
80 | { | |
81 | if (current < buf + size) | |
82 | return traits_type::to_int_type(*current++); | |
83 | return traits_type::eof(); | |
84 | } | |
85 | }; | |
86 | ||
87 | const char Inbuf_2::buf[] = "Atteivlis"; | |
88 | ||
89 | void test11() | |
e6705174 | 90 | { |
11f10e6b | 91 | bool test __attribute__((unused)) = true; |
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92 | |
93 | Inbuf_2 inbuf1; | |
94 | std::istream is(&inbuf1); | |
95 | Outbuf_2 outbuf1; | |
96 | is >> &outbuf1; | |
97 | VERIFY( inbuf1.sgetc() == 't' ); | |
98 | VERIFY( is.good() ); | |
99 | } | |
b2dad0e3 | 100 | |
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101 | int main() |
102 | { | |
23cac885 | 103 | test11(); |
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104 | return 0; |
105 | } |