1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <ios>
10
11// class ios_base
12
13// void unsetf(fmtflags mask);
14
15#include <ios>
16#include <cassert>
17
18#include "test_macros.h"
19
20class test
21 : public std::ios
22{
23public:
24 test()
25 {
26 init(sb: 0);
27 }
28};
29
30int main(int, char**)
31{
32 test t;
33 assert(t.flags() == (test::skipws | test::dec));
34 t.unsetf(mask: test::dec | test::right);
35 assert(t.flags() == test::skipws);
36
37 return 0;
38}
39

source code of libcxx/test/std/input.output/iostreams.base/ios.base/fmtflags.state/unsetf_mask.pass.cpp