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// <iomanip>
11
12// T1 resetiosflags(ios_base::fmtflags mask);
13
14#include <iomanip>
15#include <cassert>
16
17template <class CharT>
18struct testbuf
19    : public std::basic_streambuf<CharT>
20{
21    testbuf() {}
22};
23
24int main()
25{
26    {
27        testbuf<char> sb;
28        std::istream is(&sb);
29        assert(is.flags() & std::ios_base::skipws);
30        is >> std::resetiosflags(std::ios_base::skipws);
31        assert(!(is.flags() & std::ios_base::skipws));
32    }
33    {
34        testbuf<char> sb;
35        std::ostream os(&sb);
36        assert(os.flags() & std::ios_base::skipws);
37        os << std::resetiosflags(std::ios_base::skipws);
38        assert(!(os.flags() & std::ios_base::skipws));
39    }
40    {
41        testbuf<wchar_t> sb;
42        std::wistream is(&sb);
43        assert(is.flags() & std::ios_base::skipws);
44        is >> std::resetiosflags(std::ios_base::skipws);
45        assert(!(is.flags() & std::ios_base::skipws));
46    }
47    {
48        testbuf<wchar_t> sb;
49        std::wostream os(&sb);
50        assert(os.flags() & std::ios_base::skipws);
51        os << std::resetiosflags(std::ios_base::skipws);
52        assert(!(os.flags() & std::ios_base::skipws));
53    }
54}
55