| // 2003-05-20 Paolo Carlini <pcarlini@unitus.it> |
| |
| // 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 |
| // @require@ %-*.tst %-*.txt |
| // @diff@ %-*.tst %-*.txt |
| |
| // Test that upon filebuf::close() 27.8.1.1,3 is enforced. |
| |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| |
| const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it |
| const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create |
| |
| bool overflow_called; |
| bool underflow_called; |
| bool uflow_called; |
| |
| class Close_filebuf : public std::filebuf |
| { |
| public: |
| int_type overflow(int_type c) |
| { |
| overflow_called = true; |
| return std::filebuf::overflow(c); |
| } |
| |
| int_type underflow() |
| { |
| underflow_called = true; |
| return std::filebuf::underflow(); |
| } |
| |
| int_type uflow() |
| { |
| uflow_called = true; |
| return std::filebuf::uflow(); |
| } |
| }; |
| |
| void test_05() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| Close_filebuf fb_01, fb_02; |
| char buffer[] = "xxxxxxxxxx"; |
| |
| // 'in' |
| fb_01.open(name_01, std::ios_base::in); |
| fb_01.sgetc(); |
| |
| fb_01.close(); |
| |
| underflow_called = false; |
| fb_01.sgetc(); |
| VERIFY( underflow_called == true ); |
| |
| uflow_called = false; |
| fb_01.sbumpc(); |
| VERIFY( uflow_called == true ); |
| |
| uflow_called = false; |
| fb_01.snextc(); |
| VERIFY( uflow_called == true ); |
| |
| uflow_called = false; |
| fb_01.sgetn(buffer, sizeof(buffer)); |
| VERIFY( uflow_called == true ); |
| |
| // 'out' |
| fb_02.open(name_02, std::ios_base::out); |
| |
| fb_02.close(); |
| |
| overflow_called = false; |
| fb_02.sputc('T'); |
| VERIFY( overflow_called == true ); |
| |
| overflow_called = false; |
| fb_02.sputn(buffer, sizeof(buffer)); |
| VERIFY( overflow_called == true ); |
| } |
| |
| int |
| main() |
| { |
| test_05(); |
| return 0; |
| } |