| // Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do compile { target c++17 } } |
| |
| #include <charconv> |
| |
| // C++17 23.2.1 [utility.syn] |
| // chars_format is a bitmask type with elements scientific, fixed and hex |
| |
| using F = std::chars_format; |
| const F none = F{}; |
| const F all = ~none; |
| static_assert(std::is_enum_v<F>); |
| static_assert((F::scientific & F::fixed) == none); |
| static_assert((F::scientific & F::hex) == none); |
| static_assert((F::fixed & F::hex) == none); |
| static_assert(F::general == (F::fixed | F::scientific)); |
| static_assert(F::general == (F::fixed ^ F::scientific)); |
| |
| // sanity check operators |
| static_assert((F::scientific & F::scientific) == F::scientific); |
| static_assert((F::fixed & F::fixed) == F::fixed); |
| static_assert((F::hex & F::hex) == F::hex); |
| static_assert((F::general & F::general) == F::general); |
| static_assert((F::scientific | F::scientific) == F::scientific); |
| static_assert((F::fixed | F::fixed) == F::fixed); |
| static_assert((F::hex | F::hex) == F::hex); |
| static_assert((F::general | F::general) == F::general); |
| static_assert((F::scientific ^ F::scientific) == none); |
| static_assert((F::fixed ^ F::fixed) == none); |
| static_assert((F::hex ^ F::hex) == none); |
| static_assert((F::general ^ F::general) == none); |
| static_assert((F::fixed & all) == F::fixed); |
| static_assert((F::hex & all) == F::hex); |
| static_assert((F::general & all) == F::general); |
| static_assert(~all == none); |
