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 uflow(); 16 17 #include <streambuf> 18 #include <cassert> 19 20 int underflow_called = 0; 21 22 struct test 23 : public std::basic_streambuf<char> 24 { testtest25 test() {} 26 27 }; 28 main()29int main() 30 { 31 test t; 32 assert(t.sgetc() == -1); 33 } 34