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1 | // 2003-05-01 Petur Runolfsson <peturr02@ru.is> |
2 | ||
83ffe9cd | 3 | // Copyright (C) 2003-2023 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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
51ff8149 | 19 | |
6cec3c81 SL |
20 | // { dg-require-fileio "" } |
21 | ||
51ff8149 | 22 | #include <ext/stdio_sync_filebuf.h> |
1b716e90 | 23 | #include <cstring> |
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24 | #include <testsuite_hooks.h> |
25 | ||
26 | void test01() | |
27 | { | |
28 | using namespace std; | |
11f10e6b | 29 | typedef char_traits<wchar_t> traits_type; |
51ff8149 | 30 | |
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31 | const char* c_lit = "black pearl jasmine tea"; |
32 | const wchar_t* w_lit = L"black pearl jasmine tea"; | |
fabe484d | 33 | unsigned size = strlen(c_lit); |
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34 | const char* name = "stdiobuf-1.txt"; |
35 | ||
36 | FILE* fout = fopen(name, "w"); | |
820d2ff7 | 37 | VERIFY( fwrite(c_lit, 1, size, fout) == size ); |
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38 | fclose(fout); |
39 | ||
40 | FILE* fin = fopen(name, "r"); | |
41 | __gnu_cxx::stdio_sync_filebuf<wchar_t> wsbuf(fin); | |
42 | ||
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43 | VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[0] ); |
44 | VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[0] ); | |
45 | VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[1] ); | |
46 | VERIFY( traits_type::to_char_type(wsbuf.sbumpc()) == w_lit[1] ); | |
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47 | VERIFY( ungetwc(L'Z', fin) == L'Z' ); |
48 | VERIFY( wsbuf.sbumpc() == L'Z' ); | |
11f10e6b | 49 | VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[2] ); |
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50 | VERIFY( wsbuf.sputbackc(L'X') == L'X' ); |
51 | VERIFY( getwc(fin) == L'X' ); | |
52 | ||
53 | wchar_t buf[5]; | |
4c63b782 | 54 | wmemset(buf, static_cast<wchar_t>(0xdeadbeef), 5); |
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55 | VERIFY( wsbuf.sgetn(buf, 5) == 5 ); |
56 | VERIFY( !wmemcmp(buf, w_lit + 3, 5) ); | |
11f10e6b | 57 | VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[8] ); |
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58 | |
59 | fclose(fin); | |
60 | } | |
61 | ||
62 | int main () | |
63 | { | |
64 | test01(); | |
65 | return 0; | |
66 | } |