xref: /llvm-project/libcxx/test/std/input.output/iostreams.base/ios.base/fmtflags.state/unsetf_mask.pass.cpp (revision 7fc6a55688c816f5fc1a5481ae7af25be7500356) 
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 
20 class test
21     : public std::ios
22 {
23 public:
test()24     test()
25     {
26         init(0);
27     }
28 };
29 
main(int,char **)30 int main(int, char**)
31 {
32     test t;
33     assert(t.flags() == (test::skipws | test::dec));
34     t.unsetf(test::dec | test::right);
35     assert(t.flags() == test::skipws);
36 
37   return 0;
38 }
39