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1 | // 1999-10-11 bkoz |
2 | ||
83ffe9cd | 3 | // Copyright (C) 1999-2023 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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
6f422965 | 19 | |
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20 | |
21 | // 27.5.2 template class basic_streambuf | |
22 | ||
23 | #include <streambuf> | |
24 | #include <cwchar> | |
1b716e90 | 25 | #include <cstring> |
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26 | #include <testsuite_hooks.h> |
27 | ||
28 | class testbuf : public std::wstreambuf | |
29 | { | |
30 | public: | |
31 | ||
32 | // Typedefs: | |
33 | typedef std::wstreambuf::traits_type traits_type; | |
34 | typedef std::wstreambuf::char_type char_type; | |
35 | ||
36 | testbuf(): std::wstreambuf() | |
37 | { } | |
38 | ||
fd0bf20c | 39 | void |
6f422965 | 40 | check_pointers() |
fd0bf20c | 41 | { |
8fc81078 PC |
42 | VERIFY( !this->eback() ); |
43 | VERIFY( !this->gptr() ); | |
44 | VERIFY( !this->egptr() ); | |
45 | VERIFY( !this->pbase() ); | |
46 | VERIFY( !this->pptr() ); | |
47 | VERIFY( !this->epptr() ); | |
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48 | } |
49 | ||
50 | int_type | |
51 | pub_uflow() | |
52 | { return (this->uflow()); } | |
53 | ||
54 | int_type | |
55 | pub_overflow(int_type __c = traits_type::eof()) | |
56 | { return (this->overflow(__c)); } | |
57 | ||
58 | int_type | |
59 | pub_pbackfail(int_type __c) | |
60 | { return (this->pbackfail(__c)); } | |
61 | ||
62 | void | |
63 | pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end) | |
64 | { this->setg(beg, cur, end); } | |
65 | ||
66 | void | |
67 | pub_setp(wchar_t* beg, wchar_t* end) | |
68 | { this->setp(beg, end); } | |
69 | ||
70 | protected: | |
71 | int_type | |
72 | underflow() | |
73 | { | |
74 | int_type __retval = traits_type::eof(); | |
75 | if (this->gptr() < this->egptr()) | |
76 | __retval = traits_type::not_eof(0); | |
77 | return __retval; | |
78 | } | |
79 | }; | |
80 | ||
81 | void test01() | |
82 | { | |
83 | typedef testbuf::traits_type traits_type; | |
84 | typedef testbuf::int_type int_type; | |
85 | ||
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86 | testbuf buf01; |
87 | ||
88 | // sputn/xsputn | |
894b1dff MF |
89 | wchar_t lit02[] = L"isotope 217: the unstable molecule on thrill jockey"; |
90 | const int i02 = std::wcslen(lit02); | |
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91 | |
92 | wchar_t carray[i02 + 1]; | |
93 | std::wmemset(carray, 0, i02 + 1); | |
94 | ||
95 | buf01.pub_setp(carray, (carray + i02)); | |
96 | buf01.sputn(lit02, 0); | |
97 | VERIFY( carray[0] == 0 ); | |
98 | VERIFY( lit02[0] == L'i' ); | |
99 | buf01.sputn(lit02, 1); | |
100 | VERIFY( lit02[0] == carray[0] ); | |
101 | VERIFY( lit02[1] == L's' ); | |
102 | VERIFY( carray[1] == 0 ); | |
103 | buf01.sputn(lit02 + 1, 10); | |
104 | VERIFY( std::memcmp(lit02, carray, 10) == 0 ); | |
105 | buf01.sputn(lit02 + 11, 20); | |
106 | VERIFY( std::memcmp(lit02, carray, 30) == 0 ); | |
107 | } | |
108 | ||
109 | int main() | |
110 | { | |
111 | test01(); | |
112 | return 0; | |
113 | } |