1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <streambuf> 10 11 // template <class charT, class traits = char_traits<charT> > 12 // class basic_streambuf; 13 14 // int_type uflow(); 15 16 #include <streambuf> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 int underflow_called = 0; 22 23 struct test 24 : public std::basic_streambuf<char> 25 { testtest26 test() {} 27 28 }; 29 main(int,char **)30int main(int, char**) 31 { 32 test t; 33 assert(t.sgetc() == -1); 34 35 return 0; 36 } 37