1// 2003-05-03 Petur Runolfsson <peturr02@ru.is> 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// 27.8.1.4 Overridden virtual functions 21 22#include <locale> 23#include <fstream> 24#include <cctype> 25#include <testsuite_hooks.h> 26 27class Cvt_to_upper : public std::codecvt<char, char, std::mbstate_t> 28{ 29 typedef std::codecvt<char, char, std::mbstate_t> Base; 30 31public: 32 explicit Cvt_to_upper(std::size_t refs = 0) 33 : Base(refs) 34 { } 35 36protected: 37 virtual result 38 do_in(state_type&, 39 const extern_type* from, const extern_type* from_end, 40 const extern_type*& from_next, 41 intern_type* to, intern_type* to_end, 42 intern_type*& to_next) const 43 { 44 while (from < from_end && to < to_end) 45 *to++ = std::toupper(*from++); 46 47 to_next = to; 48 from_next = from; 49 return from == from_end ? ok : partial; 50 } 51 52 virtual bool 53 do_always_noconv() const throw() 54 { 55 return false; 56 } 57}; 58 59// libstdc++/9027 60void test01() 61{ 62 using namespace std; 63 64 bool test __attribute__((unused)) = true; 65 const char* name = "filebuf_virtuals-1.txt"; 66 locale loc (locale::classic(), new Cvt_to_upper); 67 68 filebuf fbin; 69 fbin.pubimbue(loc); 70 fbin.open(name, ios_base::in); 71 72 int c; 73 while ((c = fbin.sbumpc()) != EOF) 74 { 75 VERIFY( !islower(c) ); 76 } 77 78 fbin.close(); 79} 80 81int main() 82{ 83 test01(); 84 return 0; 85} 86