pbackfail.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c
1//===----------------------------------------------------------------------===// 2// 3// ��������������������The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <streambuf> 11 12// template <class charT, class traits = char_traits<charT> > 13// class basic_streambuf; 14 15// int_type pbackfail(int_type c = traits::eof()); 16 17#include <streambuf> 18#include <cassert> 19 20int pbackfail_called = 0; 21 22struct test 23 : public std::basic_streambuf<char> 24{ 25 test() {} 26}; 27 28int main() 29{ 30 test t; 31 assert(t.sputbackc('A') == -1); 32} 33