diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/12790-1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/12790-1.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/12790-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/12790-1.cc new file mode 100644 index 00000000000..cc68efb6f3c --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/12790-1.cc @@ -0,0 +1,79 @@ +// Copyright (C) 2003 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// 27.8.1.3 filebuf member functions + +#include <locale> +#include <fstream> +#include <testsuite_hooks.h> + +class Cvt : public std::codecvt<char, char, std::mbstate_t> +{ +public: + mutable bool unshift_called; + + Cvt() + : unshift_called(false) + { } + +protected: + bool + do_always_noconv() const throw() + { return false; } + + int + do_encoding() const throw() + { return -1; } + + std::codecvt_base::result + do_unshift(std::mbstate_t&, char* to, char*, char*& to_next) const + { + unshift_called = true; + to_next = to; + return std::codecvt_base::ok; + } +}; + +// libstdc++/12790 +// basic_filebuf::close() should call codecvt::unshift() +void test01() +{ + using namespace std; + + bool test __attribute__((unused)) = true; + const char* name = "tmp_close_12790"; + + Cvt* cvt = new Cvt; + locale loc(locale::classic(), cvt); + + filebuf fb; + fb.pubimbue(loc); + + fb.open(name, ios_base::out); + fb.sputc('a'); + + VERIFY( !cvt->unshift_called ); + fb.close(); + VERIFY( cvt->unshift_called ); +} + +int main() +{ + test01(); + return 0; +} |