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// class ios_base
13
14// void unsetf(fmtflags mask);
15
16#include <ios>
17#include <cassert>
18
19class test
20    : public std::ios
21{
22public:
23    test()
24    {
25        init(0);
26    }
27};
28
29int main()
30{
31    test t;
32    assert(t.flags() == (test::skipws | test::dec));
33    t.unsetf(test::dec | test::right);
34    assert(t.flags() == test::skipws);
35}
36