1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 27.8.1.4 Overridden virtual functions 22 23#include <fstream> 24#include <testsuite_hooks.h> 25#include <testsuite_io.h> 26 27// @require@ %-*.tst %-*.txt 28// @diff@ %-*.tst %*.txt 29 30const char name_01[] = "sgetc.txt"; // file with data in it 31const char name_03[] = "tmp_snextc_2io.tst"; // empty file, need to create 32 33void test05() 34{ 35 using namespace std; 36 using namespace __gnu_test; 37 typedef filebuf::int_type int_type; 38 typedef filebuf::traits_type traits_type; 39 40 bool test __attribute__((unused)) = true; 41 int_type c1, c3; 42 43 // int_type snextc() 44 // calls sbumpc and if sbumpc != eof, return sgetc 45 46 // in | out 1 47 { 48 constraint_filebuf fb_03; 49 fb_03.pubsetbuf(0, 0); 50 fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); 51 VERIFY( fb_03.unbuffered() ); 52 c3 = fb_03.snextc(); 53 VERIFY( c3 == traits_type::eof() ); 54 VERIFY( fb_03.unbuffered() ); 55 } 56 57 // in | out 2 58 { 59 constraint_filebuf fb_01; 60 fb_01.pubsetbuf(0, 0); 61 fb_01.open(name_01, ios_base::in | ios_base::out); 62 VERIFY( fb_01.unbuffered() ); 63 int_type c4 = fb_01.sbumpc(); 64 VERIFY( c4 == '/' ); 65 c4 = fb_01.sbumpc(); 66 VERIFY( c4 == '/' ); 67 c4 = fb_01.sgetc(); 68 VERIFY( c4 == ' ' ); 69 c1 = fb_01.snextc(); 70 VERIFY( c1 == '9' ); 71 c4 = fb_01.sgetc(); 72 VERIFY( c4 == '9' ); 73 VERIFY( fb_01.unbuffered() ); 74 } 75} 76 77int main() 78{ 79 test05(); 80 return 0; 81} 82