1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003, 2009 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// 27.7.1.3 Overridden virtual functions 21 22// { dg-require-fileio "" } 23 24#include <fstream> 25#include <testsuite_hooks.h> 26 27void test02(std::filebuf& in, bool pass) 28{ 29 bool test __attribute__((unused)) = true; 30 using namespace std; 31 typedef streambuf::pos_type pos_type; 32 typedef streambuf::off_type off_type; 33 pos_type bad = pos_type(off_type(-1)); 34 pos_type p = 0; 35 36 // seekoff 37 p = in.pubseekoff(0, ios_base::beg, ios_base::in); 38 VERIFY( pass == (p != bad) ); 39 40 p = in.pubseekoff(0, ios_base::beg, ios_base::out); 41 VERIFY( pass == (p != bad) ); // See libstdc++/12232 42 43 p = in.pubseekoff(0, ios_base::beg); 44 VERIFY( pass == (p != bad) ); 45} 46 47const char name_01[] = "filebuf_virtuals-1.tst"; // file with data in it 48const char name_03[] = "filebuf_members-1.tst"; // empty file 49 50int main() 51{ 52 using namespace std; 53 54 filebuf in1; 55 in1.open(name_01, ios_base::in); 56 filebuf in2; 57 filebuf in3; 58 in3.open(name_03, ios_base::in); 59 test02(in1, true); 60 test02(in2, false); 61 test02(in3, true); 62 return 0; 63} 64