good.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// <ios>
11
12// template <class charT, class traits> class basic_ios
13
14// bool good() const;
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20struct testbuf : public std::streambuf {};
21
22int main()
23{
24    {
25        std::ios ios(0);
26        assert(!ios.good());
27    }
28    {
29        testbuf sb;
30        std::ios ios(&sb);
31        assert(ios.good());
32        ios.setstate(std::ios::eofbit);
33        assert(!ios.good());
34    }
35}
36