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#include <fstream> 23#include <testsuite_hooks.h> 24 25const char name_05[] = "filebuf_virtuals-5.txt"; // empty file, need to create 26 27bool over_called; 28 29class Derived_filebuf : public std::filebuf 30{ 31public: 32 int_type overflow(int_type c) 33 { 34 over_called = true; 35 return std::filebuf::overflow(c); 36 } 37 38 const char_type* pub_epptr() const 39 { 40 return epptr(); 41 } 42 43 const char_type* pub_pptr() const 44 { 45 return pptr(); 46 } 47}; 48 49// libstdc++/9701 (partial) 50void test11() 51{ 52 bool test __attribute__((unused)) = true; 53 54 bool over_expected; 55 56 // sputn 57 Derived_filebuf dfbuf_02; 58 dfbuf_02.open(name_05, std::ios_base::out); 59 over_called = false; 60 dfbuf_02.sputn("sonne's", 7); 61 VERIFY( over_called ); 62 over_expected = dfbuf_02.pub_epptr() == dfbuf_02.pub_pptr(); 63 over_called = false; 64 dfbuf_02.sputn(" peak", 5); 65 VERIFY( (!over_expected && !over_called) 66 || (over_expected && over_called) ); 67 dfbuf_02.close(); 68} 69 70int main() 71{ 72 test11(); 73 return 0; 74} 75