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// <ios>
11
12// template <class charT, class traits> class basic_ios
13
14// iostate exceptions() 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.exceptions() == std::ios::goodbit);
27        ios.exceptions(std::ios::eofbit);
28        assert(ios.exceptions() == std::ios::eofbit);
29        try
30        {
31            ios.exceptions(std::ios::badbit);
32            assert(false);
33        }
34        catch (std::ios::failure&)
35        {
36        }
37        assert(ios.exceptions() == std::ios::badbit);
38    }
39    {
40        testbuf sb;
41        std::ios ios(&sb);
42        assert(ios.exceptions() == std::ios::goodbit);
43        ios.exceptions(std::ios::eofbit);
44        assert(ios.exceptions() == std::ios::eofbit);
45        ios.exceptions(std::ios::badbit);
46        assert(ios.exceptions() == std::ios::badbit);
47    }
48}
49