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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/to_chars/chars_format.cc
1 // Copyright (C) 2019-2022 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++17 } }
22 // C++17 23.2.1 [utility.syn]
23 // chars_format is a bitmask type with elements scientific, fixed and hex
25 using F
= std::chars_format
;
28 static_assert(std::is_enum_v
<F
>);
29 static_assert((F::scientific
& F::fixed
) == none
);
30 static_assert((F::scientific
& F::hex
) == none
);
31 static_assert((F::fixed
& F::hex
) == none
);
32 static_assert(F::general
== (F::fixed
| F::scientific
));
33 static_assert(F::general
== (F::fixed
^ F::scientific
));
35 // sanity check operators
36 static_assert((F::scientific
& F::scientific
) == F::scientific
);
37 static_assert((F::fixed
& F::fixed
) == F::fixed
);
38 static_assert((F::hex
& F::hex
) == F::hex
);
39 static_assert((F::general
& F::general
) == F::general
);
40 static_assert((F::scientific
| F::scientific
) == F::scientific
);
41 static_assert((F::fixed
| F::fixed
) == F::fixed
);
42 static_assert((F::hex
| F::hex
) == F::hex
);
43 static_assert((F::general
| F::general
) == F::general
);
44 static_assert((F::scientific
^ F::scientific
) == none
);
45 static_assert((F::fixed
^ F::fixed
) == none
);
46 static_assert((F::hex
^ F::hex
) == none
);
47 static_assert((F::general
^ F::general
) == none
);
48 static_assert((F::fixed
& all
) == F::fixed
);
49 static_assert((F::hex
& all
) == F::hex
);
50 static_assert((F::general
& all
) == F::general
);
51 static_assert(~all
== none
);