1// 2003-05-19 Paolo Carlini <pcarlini@unitus.it> 2 3// Copyright (C) 2003-2015 Free Software Foundation, Inc. 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 8// Free Software Foundation; either version 3, or (at your option) 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 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// { dg-require-fileio "" } 21 22// 27.8.1.3 filebuf member functions 23// @require@ %-*.tst %-*.txt 24// @diff@ %-*.tst %-*.txt 25 26// Test that upon filebuf::close() 27.8.1.1,3 is enforced. 27 28#include <fstream> 29#include <testsuite_hooks.h> 30 31const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it 32const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create 33 34void test_04() 35{ 36 typedef std::filebuf::traits_type traits_type; 37 38 bool test __attribute__((unused)) = true; 39 40 std::filebuf fb_01, fb_02; 41 char buffer[] = "xxxxxxxxxx"; 42 43 // 'in' 44 fb_01.open(name_01, std::ios_base::in); 45 VERIFY( fb_01.sgetc() != traits_type::eof() ); 46 VERIFY( fb_01.sbumpc() != traits_type::eof() ); 47 VERIFY( fb_01.snextc() != traits_type::eof() ); 48 VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == sizeof(buffer) ); 49 50 fb_01.close(); 51 52 VERIFY( fb_01.sgetc() == traits_type::eof() ); 53 VERIFY( fb_01.sbumpc() == traits_type::eof() ); 54 VERIFY( fb_01.snextc() == traits_type::eof() ); 55 VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == 0 ); 56 57 // 'out' 58 fb_02.open(name_02, std::ios_base::out); 59 VERIFY( fb_02.sputc('T') != traits_type::eof() ); 60 VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == sizeof(buffer) ); 61 62 fb_02.close(); 63 64 VERIFY( fb_02.sputc('T') == traits_type::eof() ); 65 VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == 0 ); 66} 67 68int 69main() 70{ 71 test_04(); 72 return 0; 73} 74