1// { dg-options "-Wno-deprecated" } 2// Copyright (C) 2003, 2004 Free Software Foundation, Inc. 3// 4// This file is part of the GNU ISO C++ Library. This library is free 5// software; you can redistribute it and/or modify it under the 6// terms of the GNU General Public License as published by the 7// Free Software Foundation; either version 2, or (at your option) 8// any later version. 9 10// This library is distributed in the hope that it will be useful, 11// but WITHOUT ANY WARRANTY; without even the implied warranty of 12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13// GNU General Public License for more details. 14 15// You should have received a copy of the GNU General Public License along 16// with this library; see the file COPYING. If not, write to the Free 17// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 18// USA. 19 20#include <strstream> 21#include <testsuite_hooks.h> 22 23class Buf : public std::strstreambuf 24{ 25public: 26 Buf(const char* p, std::streamsize n) 27 : std::strstreambuf(p, n) 28 { } 29 30 int_type pub_pbackfail(int_type c = traits_type::eof()) 31 { 32 return pbackfail(c); 33 } 34}; 35 36// libstdc++/11460 37void test01() 38{ 39 bool test __attribute__((unused)) = true; 40 41 typedef std::strstreambuf::traits_type Traits; 42 const char str[] = "a\xff"; 43 44 Buf buf(str, 2); 45 46 Traits::int_type a = Traits::to_int_type('a'); 47 VERIFY( buf.sbumpc() == a ); 48 VERIFY( buf.sungetc() == a ); 49 VERIFY( buf.sbumpc() == a ); 50 VERIFY( buf.sputbackc('a') == a ); 51 VERIFY( buf.sbumpc() == a ); 52 VERIFY( buf.pub_pbackfail() != Traits::eof() ); 53 VERIFY( buf.sbumpc() == a ); 54 VERIFY( buf.pub_pbackfail(a) == a ); 55 buf.sbumpc(); 56 57 Traits::int_type xff = Traits::to_int_type('\xff'); 58 VERIFY( buf.sbumpc() == xff ); 59 VERIFY( buf.sungetc() == xff ); 60 VERIFY( buf.sbumpc() == xff ); 61 VERIFY( buf.sputbackc('\xff') == xff ); 62 VERIFY( buf.sbumpc() == xff ); 63 VERIFY( buf.pub_pbackfail() != Traits::eof() ); 64 VERIFY( buf.sbumpc() == xff ); 65 VERIFY( buf.pub_pbackfail(xff) == xff ); 66} 67 68int main() 69{ 70 test01(); 71 return 0; 72} 73