projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5e93f39f PR |
1 | // Copyright (C) 2003 Free Software Foundation, Inc. |
| 2 | // | |
| 3 | // This file is part of the GNU ISO C++ Library. This library is free | |
| 4 | // software; you can redistribute it and/or modify it under the | |
| 5 | // terms of the GNU General Public License as published by the | |
| 6 | // Free Software Foundation; either version 2, or (at your option) | |
| 7 | // any later version. | |
| 8 | ||
| 9 | // This library is distributed in the hope that it will be useful, | |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | // GNU General Public License for more details. | |
| 13 | ||
| 14 | // You should have received a copy of the GNU General Public License along | |
| 15 | // with this library; see the file COPYING. If not, write to the Free | |
| 83f51799 | 16 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 5e93f39f PR |
17 | // USA. |
| 18 | ||
| 19 | // 27.8.1.3 filebuf member functions | |
| 20 | ||
| 21 | #include <locale> | |
| 22 | #include <fstream> | |
| 23 | #include <testsuite_hooks.h> | |
| 24 | ||
| 25 | class Cvt : public std::codecvt<wchar_t, char, std::mbstate_t> | |
| 26 | { | |
| 27 | public: | |
| 28 | mutable bool unshift_called; | |
| 29 | ||
| 30 | Cvt() | |
| 31 | : unshift_called(false) | |
| 32 | { } | |
| 33 | ||
| 34 | protected: | |
| 35 | bool | |
| 36 | do_always_noconv() const throw() | |
| 37 | { return false; } | |
| 38 | ||
| 39 | int | |
| 40 | do_encoding() const throw() | |
| 41 | { return -1; } | |
| 42 | ||
| 43 | std::codecvt_base::result | |
| 44 | do_unshift(std::mbstate_t&, char* to, char*, char*& to_next) const | |
| 45 | { | |
| 46 | unshift_called = true; | |
| 47 | to_next = to; | |
| 48 | return std::codecvt_base::ok; | |
| 49 | } | |
| 50 | }; | |
| 51 | ||
| 52 | // libstdc++/12790 | |
| 53 | // basic_filebuf::close() should call codecvt::unshift() | |
| 54 | void test01() | |
| 55 | { | |
| 56 | using namespace std; | |
| 57 | ||
| 58 | bool test __attribute__((unused)) = true; | |
| 59 | const char* name = "tmp_close_12790"; | |
| 60 | ||
| 61 | Cvt* cvt = new Cvt; | |
| 62 | locale loc(locale::classic(), cvt); | |
| 63 | ||
| 64 | wfilebuf fb; | |
| 65 | fb.pubsetbuf(0, 0); | |
| 66 | fb.pubimbue(loc); | |
| 67 | ||
| 68 | fb.open(name, ios_base::out); | |
| 69 | fb.sputc(L'a'); | |
| 70 | fb.in_avail(); // showmanyc() should have no effect on close(). | |
| 71 | ||
| 72 | VERIFY( !cvt->unshift_called ); | |
| 73 | fb.close(); | |
| 74 | VERIFY( cvt->unshift_called ); | |
| 75 | } | |
| 76 | ||
| 77 | int main() | |
| 78 | { | |
| 79 | test01(); | |
| 80 | return 0; | |
| 81 | } |