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