1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. 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 20 int pbackfail_called = 0; 21 22 struct test 23 : public std::basic_streambuf<char> 24 { 25 test() {} 26 }; 27 28 int main() 29 { 30 test t; 31 assert(t.sputbackc('A') == -1); 32 } 33
