1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001-2015 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// 27.8.1.4 Overridden virtual functions 21 22// { dg-require-fileio "" } 23 24#include <fstream> 25#include <testsuite_hooks.h> 26#include <testsuite_io.h> 27 28// @require@ %-*.tst %-*.txt 29// @diff@ %-*.tst %*.txt 30 31const char name_01[] = "sgetc.txt"; // file with data in it 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 42 // int_type sbumpc() 43 // if read_cur not avail returns uflow(), else return *read_cur & increment 44 45 // in 46 { 47 constraint_filebuf fb_01; 48 fb_01.pubsetbuf(0, 0); 49 fb_01.open(name_01, ios_base::in); 50 VERIFY( fb_01.unbuffered() ); 51 52 int_type c1 = fb_01.sbumpc(); 53 VERIFY( c1 == '/' ); 54 int_type c3 = fb_01.sbumpc(); 55 VERIFY( c3 == '/' ); 56 57 c1 = fb_01.sgetc(); 58 int_type c2 = fb_01.sbumpc(); 59 c3 = fb_01.sgetc(); 60 VERIFY( c1 == ' ' ); 61 VERIFY( c3 == '9' ); 62 VERIFY( c1 == c2 ); 63 VERIFY( c2 != c3 ); 64 65 c1 = fb_01.sbumpc(); 66 c2 = fb_01.sbumpc(); 67 c3 = fb_01.sgetc(); 68 VERIFY( c1 == '9' ); 69 VERIFY( c2 == '9' ); 70 VERIFY( c3 == '0' ); 71 72 VERIFY( fb_01.unbuffered() ); 73 } 74} 75 76int main() 77{ 78 test05(); 79 return 0; 80} 81